スタック電子 List of Products and Services

We would like to introduce our "Environmental Testing/Reliability Testing Services." These services can be utilized in the later stages of the EMS business, and we can conduct reliability tests such as "Temperature and Humidity Cycle Testing," "Vibration Testing," and "Bending Testing," among other mechanical tests. We can also manufacture measurement harnesses/coaxial cables and fixtures for device fixation using a 3D printer. Additionally, we provide a comprehensive service for RF measurements, from consultation to execution. 【List of Services】 ■ Temperature and Humidity Cycle Testing ■ Vibration Testing ■ Bending Testing ■ 3D Printing ■ Electrical Characteristics Testing *For more details, please refer to the PDF document or feel free to contact us.

• Testing Equipment and Devices
• Environmental Test Equipment
• Other contract services

Stack Electronics Co., Ltd. provides a comprehensive service ranging from equipment assembly requests to parts procurement, manufacturing, and inspection. We utilize the know-how we have cultivated in the manufacturing of broadcasting-related equipment and infrastructure facilities to meet our customers' needs. Using our owned measuring instruments, we can accommodate various electrical characteristic tests. We are registered as a certified inspection business under the Radio Law, so we can respond to requests for measurement of inspection result items. Additionally, we can conduct reliability tests such as temperature and humidity cycle tests, vibration tests, and bending tests using our owned testing equipment. We can accommodate small quantities, so please feel free to consult us regarding prototypes. *For more details, please refer to the PDF materials or feel free to contact us.

• Testing Equipment and Devices
• Environmental Test Equipment
• Other contract services

We would like to introduce the "C-Type Micro Radio" handled by Stack Electronics Co., Ltd. Thanks to its optimized antenna design, the radio wave transmission has improved, making it a versatile wireless system that does not require licensing procedures. Both the transmitter and receiver are equipped with easy-to-fix 1/4 camera screws, as well as features such as operation prevention, group scanning functionality, and reduced body effects, reflecting the voices from the field. 【Features】 ■ The LINE terminal of the transmitter uses a Hirose 4-pin connector that is difficult to detach, making conversion to XLR easy. ■ It employs an antenna specialized for low loss and long-range transmission, with a tough structure that is less prone to damage. ■ The receiver is equipped with a scanning function for each group. ■ With just one AA alkaline battery, the C-type transmitter operates for over 10 hours, and the receiver for over 12 hours continuously. ■ No licensing procedures, operational adjustments, or wireless operator licenses are required. *For more details, please refer to the PDF document or feel free to contact us.

• others

The SMA receptacle for board mounting "SMA558(R0)" allows for the verification of the electrical performance of the board by being installed on the input and output ports of high-frequency signal lines. 【Applications】 It can be used for evaluation tests and measurements of printed circuit boards. 【Features】 ■ Can be directly connected to the edge of the printed circuit board using a coaxial connector ■ Can be mounted on boards with a thickness of 1.6mm or less 　* For 1.6mm boards, it will be press-fitted. Please use it with this understanding. ■ The contact has an optimal flat shape for matching with the board ■ The opening direction of the receptacle is horizontal to the board pattern ■ Connector weight is approximately 1.52g ■ Complies with the European RoHS Directive ((EU)2015/863) * For more details, please refer to the PDF document or feel free to contact us.

• Coaxial Connectors
• Other electronic parts

Our RF patch panels offer flexible customization options to match the connector types, number of ports, and panel shapes to the racks you will be using. 【Applications】 ■ Assistance with wiring between devices inside and outside the rack ■ Infrastructure sharing business ■ Digital terrestrial relay base stations ■ 4K/8K broadcasting base stations ■ 5G communication base stations *For more details, please refer to the PDF document or feel free to contact us.

• Coaxial Connectors
• Other electronic parts

The "PD659/PD660" is a transformer-type impedance converter capable of passing direct current voltage/current. It covers a lower frequency range than off-the-shelf microstrip types (frequency range 900MHz to 1800MHz). The input and output connectors are of the BNC type. It features low loss and operates in the frequency range of 50MHz to 1000MHz. 【Features】 ■ Effective when impedance conversion and power overlay onto RF lines are required ■ Capable of low-loss impedance conversion for RF signals from 50MHz to 1000MHz ■ Pass-through voltage/current supports up to DC+25V/1A ■ Non-directional, allowing input from either side ■ Environmental regulation: Compliant with RoHS2 (EU) 2015/863 *For more details, please refer to the PDF document or feel free to contact us.

• Converters and Transducers

This product is a terminator that supports high power ranging from 20W to 300W, with broad bandwidth and good reflection characteristics. It complies with the European RoHS directive for environmental standards. Customization options are available for connectors and mounting brackets. It can be used in systems that utilize high power, such as communication equipment in tunnels and various relay stations. 【Features】 ■ Good reflection characteristics ■ Customization options available for connectors and mounting brackets ■ Environmental standard: Complies with the European RoHS directive *For more details, please refer to the PDF document or feel free to contact us.

• Other electronic parts

The "ROF134" is an ROF-Link compatible with a frequency of 6GHz. It is a compact handheld type equipped with an EIAJ#2DC jack (with a dedicated adapter included) and a USB-C connector. Additionally, it supports various power sources such as AC adapters, dry batteries, mobile batteries, and DC stabilized power supplies, allowing for selection based on application needs. 【Features】 ■ Compatible with frequencies from 500MHz to 6GHz → Supports 5G (3.7GHz band and 4.5GHz band) ■ Compact handheld type ■ Equipped with an EIAJ#2DC jack (with a dedicated adapter included) and a USB-C connector ■ Compatible with AC adapters, dry batteries, mobile batteries, and DC stabilized power supplies *For more details, please refer to the PDF document or feel free to contact us.

• Other electronic parts
• Image Transmission Equipment

The ROF034 is a type of ROF-Link that is designed to minimize signal degradation at low input levels. It transmits optical signals modulated in intensity via radio signals through optical fiber. Since optical fiber is an insulator, it excels in EMC (electromagnetic compatibility) against induced lightning, strong magnetic fields, noise, static electricity, etc. Due to its low noise figure of "NF: 6dB (TYP)," the impact on reception sensitivity after transmission is minimal, allowing for easy construction of long-distance transmission paths in the UHF band, similar to connecting coaxial cables. 【Features】 - Low noise figure of "NF: 6dB (TYP)" results in minimal impact on reception sensitivity after transmission. - Significantly lower transmission loss compared to coaxial cable transmission: "Fiber loss: approximately 0.5dB/km." - Easily construct long-distance transmission paths in the UHF band with the same ease as connecting coaxial cables. - Optical fiber is an insulator, providing excellent EMC performance. *For more details, please refer to the PDF document or feel free to contact us.

• Other electronic parts
• Image Transmission Equipment

This product is a conversion adapter and a termination device with the connection nut removed, designed as a simple measurement jig. It allows for the confirmation of equipment characteristics simply by plugging and unplugging. This significantly reduces the connector attachment and detachment time during measurements. The frequency range can be used from DC to 3GHz, and by eliminating the screw mechanism, it is available at a more affordable cost. 【Features】 ■ Significantly reduces measurement time for devices with a large number of terminals ■ More affordable cost due to the removal of the screw mechanism ■ Available in two types: N type and common TNC/BNC ■ Frequency range usable from DC to 3GHz ■ Environmental standard: Compliant with European RoHS2 *For more details, please refer to the PDF document or feel free to contact us.

• AC adapter
• Other electronic parts

The 『BA411(R0)』 is a conversion adapter of the N(J)-SMA(J) type developed with the aim of providing a higher performance (lower reflection) product for input and output of STL/TTL equipment for terrestrial digital television broadcasting compared to conventional products. In the E and F bands (10GHz range), it has a VSWR of 1.08 (Typical) and a pass loss of 0.06dB (Typical), while in the G band (13GHz range), it has a VSWR of 1.05 (Typical) and a pass loss of 0.07dB (Typical). 【Features】 ■ Usable with low reflection up to 18GHz ■ Contributes to the high performance of the product ■ Convenient mounting brackets available (sold separately) ■ Connector weight: approximately 30.0g ■ Environmental standard: Compliant with European RoHS2 *For more details, please refer to the PDF document or feel free to contact us.

• AC adapter

The "STF358" is a microwave coaxial cable assembly that excels in high-frequency characteristics and offers great flexibility. It supports a frequency range from DC to 20GHz. Connectors are available in SMA and N types. It has performance that is recommended not only for interconnecting high-frequency equipment but also as a measurement cable. 【Features】 ■ Frequency range: DC to 20GHz ■ Characteristic impedance: 50Ω V.S.W.R. 1.3 or less ■ Cable outer diameter: φ4.1mm ■ Operating temperature range: -65℃ to +125℃ ■ Environmental standards: Compliant with European RoHS2 *For more details, please refer to the PDF document or feel free to contact us.

• cable

The "N532(R0)" is an N-type plug connector developed for connecting high-frequency signal lines between devices, with the aim of improving the routing of coaxial cables by shortening the overall length compared to conventional products. The distance from the panel surface to the connector has been reduced, contributing to space-saving. It can be used for connections between various devices, including signal generators, amplifiers, and combiners. 【Features】 ■ Overall length of approximately 35mm, which is 10mm shorter than the standard product (N014) ■ Contributes to space-saving of the product ■ Compatible cable: 5D-2W ■ Weight: 48.8g (Typical) ■ Environmental standards: Compliant with the European RoHS Directive *For more details, please refer to the PDF document or feel free to contact us.

• Other Connectors

The "EVV90/EVW90" is a wireless return system. We offer the "EVV90," which operates at 322MHz/1mW and features an antenna specialized for low loss and long-range transmission, and the "EVW90," which includes a group scanning function at 322MHz. With the adoption of a 1/4 camera screw, anti-misoperation features, group scanning capabilities, optimized design around the antenna for improved signal transmission, and reduced body effects, this product reflects the voices from the field. 【Features of EVV90】 ■ Uses a Hirose 4-pin connector that is difficult to detach ■ Easy conversion to commonly used XLR in the field ■ Employs an antenna specialized for low loss and long-range transmission ■ Operates continuously for 10 hours on a single AA alkaline battery *For more details, please refer to the PDF document or feel free to contact us.

• Communications

The "PD661/662/663/664" is a resistance conversion type impedance transformer with a conversion loss of 10dB. Input and output connectors are available in BNC and N types. Calculating loss during level measurement using a resistive impedance transformer has been complicated, but this product makes it easier to subtract the conversion loss from the displayed value of the measuring instrument. 【Features】 ■ Can be used effectively when measuring 75Ω impedance devices ■ Capable of impedance conversion for RF signals from DC to 3500MHz ■ Easily readable conversion loss of 10dB ■ No directionality, allowing input from either side ■ Environmental regulation: Compliant with RoHS2 (EU) 2015/863 *For more details, please refer to the PDF document or feel free to contact us.

• Converters and Transducers

This product has excellent high-frequency characteristics over a wide bandwidth as an "impedance transformer" for matching transmission lines. There are three types available: resistive conversion type, low-loss transformer type, and microstrip line type, which can be selected according to your needs. 【Common Specifications】 ■Exterior: Nickel-plated ■Center contact: Gold-plated *For more details, please refer to the PDF document or feel free to contact us.

• High frequency/microwave parts
• Other network tools

This product is a termination with excellent V.S.W.R characteristics, particularly in a wide frequency range. It can be used as a load for standard impedance and various transmission networks. Custom orders are also available, so please contact us for more details. 【Lineup】 ■ BNC type ■ N type ■ SMA type ■ F type ■ N type: High Power *For more details, please refer to the PDF document or feel free to contact us.

• High frequency/microwave parts
• Other network tools

This product is a high-performance 1W type fixed attenuator that can be used over a wide frequency range. It can be used for adjusting the level of high-frequency signals, measuring reference attenuation, and improving the characteristics of transmission systems. 【Lineup (Types)】 ■BNC(P)-(J) ■N(P)-(J) ■SMA(P)-(J) ■TNC(J)-(J) ■TNC(P)-(J) *For more details, please refer to the PDF document or feel free to contact us.

• High frequency/microwave parts

The "ROF352" is a device that transmits FPU waves in the 1.2GHz/2.3GHz band via optical transmission. Since the antenna and FPU receiver can be separated, the receiver can be installed in a location that is easy to operate. It can also enhance the diversity effect. Power is supplied from the O/E side to the E/O side through the optical camera cable, eliminating the need for power installation and allowing for a speedy setup. 【Features】 ■ Antenna and FPU receiver can be installed separately ■ Contributes to improved diversity effect ■ No power installation required *You can view the product documentation from the "PDF Download" section. Please feel free to contact us with any inquiries.

• Other Connectors
• Image Transmission Equipment
• Other optical parts

The "ROF357" is an ROF device that transmits radio microphone signals from 400 to 1300 MHz via optical transmission. By installing it between the antenna and the receiver, it can extend the transmission distance up to 2 km using optical camera cables. The E/O device can output DC for driving an external antenna booster. Designed for outdoor use, the housing has a simple drip-proof structure. 【Features】 ■ Capable of optical transmission of radio microphone signals from 400 to 1300 MHz ■ Can extend the transmission distance up to 2 km using optical camera cables ■ The E/O device can output DC for driving an external antenna booster ■ Power supply can be provided from the O/E device through the optical camera cable, eliminating the need for power installation ■ Designed for outdoor use with a simple drip-proof structure *For more details, please refer to the PDF document or feel free to contact us.

• Image Transmission Equipment
• Other optical parts

The "ROF352" is a device that transmits FPU waves in the 1.2GHz/2.3GHz band via optical transmission. By extending the installation distance between the antenna and the FPU receiver, it is possible to enhance the diversity effect. Additionally, the FPU receiver can be installed in a location that is easy to operate. On the antenna side, power is supplied from the O/E side to the E/O side through an optical camera cable, eliminating the need for power installation work. 【Features】 ■ The installation distance between the antenna and the FPU receiver can be increased - Enhances the diversity effect - Allows for the FPU receiver to be installed in an easily operable location ■ No power installation work required *For more details, please refer to the PDF document or feel free to contact us.

• Other Connectors
• Image Transmission Equipment
• Other optical parts

The "SHF Band Bandpass Filter" is a bandpass filter that can support the 6GHz to 8GHz band. It is suitable for terrestrial digital broadcasting. It is appropriate for low-loss "transmission combiners" and "receiving distribution amplifiers" for STL/TTL. 【Features】 ■ For terrestrial digital broadcasting ■ Supports the 6GHz to 8GHz band ■ Suitable for low-loss transmission combiners and receiving distribution amplifiers for STL/TTL *For more details, please refer to the PDF document or feel free to contact us.

• Other filters
• filter

The "Output Meter Panel" is a meter panel that can display the strength of RF signals on an analog meter. It outputs the RF signal level as an analog signal (voltage). It displays with a dynamic range of over 20dB and an accuracy of 5% of full scale. You can set management values, and when the values are exceeded, it can output LED displays and alarm signals. 【Features】 ■ Outputs RF signal levels as an analog signal (voltage) ■ Displays with a dynamic range of over 20dB and an accuracy of 5% of full scale ■ Input RF signal level is full scale +10dBm ■ Management values can be set ■ When management values are exceeded, it can output LED displays and alarm signals ■ When the RF signal is CW or modulated wave (OFDM), the output difference is within approximately 0.6dB *For more details, please refer to the PDF document or feel free to contact us.

• Other network tools
• Electrical Instruments/Electrometers

At Stack Electronics, we manufacture all customer-specific "Low Noise Amplifiers" (LNA). The electrical performance is based on extensive knowledge and experience, while the shape and structure maximize the technical capabilities of connector manufacturers. We provide products that match our customers' requirements. 【Features】 ■ Electrical performance and connectors can be customized (TNC/N/SMA) ■ Compatible from VHS to SHF ■ Structure can include dust and water resistance measures ■ Power supply can be applied to the power terminal or superimposed on the input/output signal lines *For more details, please refer to the PDF materials or feel free to contact us.

• Other network tools
• Other image-related equipment

The "BNC-P 75Ω Coaxial Cable" is a coaxial cable assembly compatible with BNC connectors, featuring a characteristic impedance of 75Ω and supporting up to 12GHz. There are two cable sizes available: 5.5C and 3.3C. The lineup includes four types: a copper tape shield for fixed wiring and double-braided wire for movable parts. The assembly requires a dedicated crimping tool, so a soldering iron is not necessary. 【Features】 ■ BNC connector plug assembly, characteristic impedance of 75Ω, supports up to 12GHz ■ Two cable sizes: 5.5C and 3.3C ■ Four types in the lineup ■ Assembly requires a dedicated crimping tool, so a soldering iron is not necessary *For more details, please refer to the PDF document or feel free to contact us.

• Coaxial Connectors
• cable

The "BNC 75Ω Coaxial Accessory Series" is a 12GHz conversion adapter with a BNC 75Ω connector. Utilizing the expertise gained from 50Ω products, we have achieved a 12GHz conversion adapter with a BNC 75Ω connector, which was previously unattainable. Additionally, we offer a lineup of coaxial accessories with a frequency range of 3.5GHz for BNC 75Ω, providing an environment where RF performance can be measured with high accuracy. 【Features】 ■ Achieves a 12GHz conversion adapter with a BNC 75Ω connector ■ High technology ■ Lineup of accessories compatible with BNC 75Ω at 3.5GHz ■ RF performance can be measured with high accuracy *For more details, please refer to the PDF document or feel free to contact us.

• Other electronic parts
• Other electronic measuring instruments

The "460MHz Band Pass Filter" allows the necessary bandwidth of the 460MHz band to pass through while removing unwanted signals. It is particularly effective when using a 460MHz receiver near terrestrial digital broadcasting relay stations. Electrical performance and connectors can be customized. It is designed for outdoor use with a drip-proof structure (excluding the BNC connector part). 【Features】 ■ Allows the necessary bandwidth of the 460MHz band to pass through while removing unwanted signals ■ Especially suitable for use with a 460MHz receiver near terrestrial digital broadcasting relay stations ■ Electrical performance and connectors can be customized ■ Drip-proof structure (excluding the BNC connector part) *For more details, please refer to the PDF document or feel free to contact us.

• Other filters
• filter

The "30MHz Band Small AM Receiver for Broadcasting Operations" is a compact AM receiver developed for broadcasting operations. Compared to FM, the sound quality is inferior, but it provides stable communication quality even in rugged areas such as mountainous golf course broadcasts. Additionally, to withstand severe shocks on-site, the casing is made of highly durable metal. 【Features】 ■ Adopts a double superheterodyne method for stable reception ■ Antenna input terminal has a 10° tilt to prevent interference with the human body ■ Operates for a long time (over 8 hours) on a single AA alkaline battery ■ Frequency switching is possible via the CH switch on the front panel ■ A 1CH type (without CH switch) is also available as an option *For more details, please refer to the PDF document or feel free to contact us.

• Image Transmission Equipment
• Other network tools

The "30MHz Band AM Transmitter" can reliably transmit important information over long distances without delay. It is a high-performance AM transmitter designed for use in broadcasting operations, with a rated output power of 5W/1W. Considering its use as a portable device, it features a lightweight and robust chassis structure. 【Features】 ■ Reliable long-distance transmission of important information without delay ■ Rated output power of 5W/1W ■ Usable as a portable device ■ Lightweight and robust chassis structure *For more details, please refer to the PDF document or feel free to contact us.

• Image Transmission Equipment
• Other network tools

The "7GHz/10GHz Band Pass Filter" allows the necessary bandwidth of the 7GHz/10GHz range to pass through while removing unwanted waves. It is suitable for the front end of material transmission such as FPU. Electrical performance and connectors can be customized. 【Features】 ■ Allows the necessary bandwidth of the 7GHz/10GHz range to pass through while removing unwanted waves ■ Well-suited for the front end of material transmission such as FPU ■ Electrical performance and connectors can be customized *For more details, please refer to the PDF document or feel free to contact us.

• Other filters
• filter

The "1.2GHz Band Pass Filter" allows the necessary bandwidth of the 1.2GHz band to pass through while removing unwanted waves. It is suitable for the front end of material transmission such as FPU, and electrical performance and connectors can be customized. 【Features】 ■ Allows the necessary bandwidth of the 1.2GHz band to pass through while removing unwanted waves ■ Well-suited for the front end of material transmission such as FPU ■ Electrical performance and connectors can be customized *For more details, please refer to the PDF document or feel free to contact us.

• Other filters
• filter

In the materials, we are summarizing the products exhibited at "Inter BEE 2018 - Professional Exhibition of Sound, Video, and Communication." We have included many items, starting with the "FM-IF Digital Delay Device" that can output IF signals, as well as the "Output Meter Panel" and "30MHz Band AM Wireless Transmitter," along with their features and block diagrams. 【Contents (partial)】 ■ 1.2GHz/2.3GHz Optical Transmission FPU ROF352 ■ 400-1300MHz Radio Microphone ROF Device ROF3571 ■ Output Meter Panel ■ FM-IF Digital Delay Device ■ 30MHz Band AM Wireless Transmitter *For more details, please refer to the PDF materials or feel free to contact us.

• filter
• cable
• Other network tools

The "High-Performance Coaxial Adapter Series" is a precision-grade series that has been completely reformed from the design and manufacturing of conventional connectors. Through joint research with the National Institute of Advanced Industrial Science and Technology (AIST), we have thoroughly reviewed the structure of conventional connectors and achieved high performance by eliminating impedance mismatching. 【Features】 ■ Achieves high performance without affecting product performance ■ Utilizes a stainless steel shell with excellent mechanical strength and weather resistance ■ Processes critical areas related to VSWR characteristics with a machining precision exceeding ±0.03mm ■ Data can be obtained using in-house standards calibrated directly with the standard terminators from the National Institute of Advanced Industrial Science and Technology ■ Offers a convenient adapter kit lineup for calibration rooms, laboratories, and inspection lines *For more details, please refer to the PDF document or feel free to contact us.

• AC adapter
• Other electronic parts

This series is a coaxial cable assembly for microwave applications that excels in high-frequency characteristics and offers great flexibility. It can be used for various connections and applications, including electronic measuring instruments, wired and wireless communication devices, base stations, and broadcasting equipment. Due to its excellent phase stability against temperature changes and bending, it is particularly useful in measurement environments. 【Features】 - High durability and flexible bending - Achieves more than double the bending cycle durability compared to conventional products - Low loss of less than 2dB at 18GHz (for 1m) and less than 3dB at 40GHz (for 1m with K connector) - Minimal phase change during bending or manual wiring, ensuring high stability - Wide frequency range *For more details, please refer to the PDF document or feel free to contact us.

• cable

The "PD630" is calibrated based on a database that uses standard instruments from the National Institute of Advanced Industrial Science and Technology. Files containing frequency, S-parameters, and uncertainty recorded based on this database are stored on the included USB, allowing you to import them into specified measuring instruments to achieve a state equivalent to that calibrated by the institute. We also offer "PD636" and "PD637," which split this product into a reasonably priced plug and jack kit. 【Features】 ■ Guarantees 7GHz at 75Ω for 4K and 8K broadcasting and production equipment ■ Provides an environment for measuring signal performance with high precision ■ Calibration kit for accurately measuring the impedance performance of products with C15 or F-type openings ■ Various products within the calibration kit are available for individual sale *For more details, please refer to the PDF document or feel free to contact us.

• Time-frequency measurements
• Other measurement, recording and measuring instruments

In the product utilization case collection of Stack Electronics Co., Ltd., we feature a wide range of product utilization examples tailored to various applications, including the "Area Broadcasting System," the "Remote Broadcast System," and the "Underground City Re-transmission System." [Featured Examples] - Train Wireless System - Digital Disaster Prevention Wireless System - Area Broadcasting System - Remote Broadcast System - Underground City Re-transmission System For more details, please contact us or download the catalog.

• Technical and Reference Books

This is a microwave band BPF that is optimal for the front end of material transmission such as FPU. We offer types that cover either the C,D band (6,425MHz to 7,125MHz) or the E,F band (10,250MHz to 10,700MHz), as well as types that cover both the C,D and E,F bands. It attenuates strong unwanted radiation generated outside the band, preventing damage and saturation of downstream devices. Additionally, we can accommodate special specifications. 【Specifications】 ○ Insertion loss: 1.0dB or less ○ Input/output return loss: 15dB or more ○ Operating temperature range: -10℃ to +50℃ ○ Input/output connector: SMA-J For more details, please contact us or download the catalog.

• filter

In the ROF system, the transmission and reception of light in a one-to-one configuration uses two separate optical fibers for upstream and downstream, respectively, in a dual-core multiplexing method. However, in systems that use dark fiber, the impact of management costs on operational expenses cannot be ignored, making it difficult to easily increase the number of fibers. By preparing and combining laser diodes of different optical wavelengths, it is possible to multiplex multiple optical signals onto a single optical fiber. The ROF-Link WDM Module has achieved bidirectional communication using a single optical fiber by combining ROF-Links of different wavelengths with WDM filters. We also have a track record of providing necessary peripheral devices tailored to your system requirements, so please consult with our sales team. 【Features】 ○ Wireless transmission bandwidth of 60MHz to 1GHz (ROF201) and 60MHz to 3GHz (ROF202) ○ Transmission of two wavelengths over a single optical fiber using two E/O devices of different wavelengths ○ Wireless signal input to each E/O can be transmitted at the same frequency ○ When using existing optical cables, bidirectional transmission via optical multiplexing is possible without increasing the number of fibers For more details, please contact us or download the catalog.

• Other electronic parts

The microwave band low noise amplifier "EV860" is a low noise amplifier that can be used in the 7GHz band. It can be used in the front-end section of FPU devices, RF input sections of ROF devices, etc. 【Features】 ○ Low noise: NF = 1.5dB or less ○ Compatible with digital STL/TTL and C/D bands ○ Usable with a single power supply (DC +12V) For more details, please contact us or download the catalog.

• Other electronic parts

The 6GHz band RF signal optical transmission device is a unit capable of transmitting signals in the C and D bands (6,425MHz to 7,125MHz) via optical fiber. It can transmit signals in the C and D bands without channel selection. It is equipped with an AGC function that mitigates the effects of fading in the input signal. By providing one conventional FPU, there is an advantage of reducing the overall system cost by configuring a multi-channel system with this device and a switcher. 【Features】 ○ Wireless transmission bandwidth of 6,425MHz to 7,125MHz (Optional support for 10,250MHz to 10,700MHz band, or both bands) ○ AGC function for fading of RF input signals (AGC ON/OFF function included) ○ Long-distance low-loss transmission of microwave signals via analog optical transmission ○ Wideband BPF at the input to attenuate unwanted radiation outside the band ○ Noise figure comparable to conventional reception sensitivity For more details, please contact us or download the catalog.

• others
• Other electronic parts

The coaxial connector is a BNC connector specifically designed for 75Ω. By making the insulator structure of the coupling part conform to the characteristic impedance of 75Ω, good impedance characteristics are achieved up to the UHF band. The impedance transformer is an essential component for connecting 50Ω measurement instruments with 75Ω devices under test. You can choose from resistance type, transformer type, and transmission line type according to your application. 【Product Lineup】 ○BNC Connector ○N Connector ○Between Series Adapters ○Impedance Transformers ○Fixed Attenuators, etc. For more details, please contact us or download the catalog.

• Other electronic parts
• Coaxial Connectors

When measuring harmonics generated from devices such as radios with a spectrum analyzer (specan), the spectrum analyzer itself can generate harmonics by receiving the fundamental wave, which can lead to significant measurement errors, especially when measuring low-level harmonics. This high-pass filter for harmonic measurement removes the fundamental wave and allows harmonics to pass through, thereby suppressing the input of the fundamental wave to the spectrum analyzer and reducing the harmonics generated by the spectrum analyzer. This product can be used as a measurement auxiliary device to improve accuracy. 【Features】 - Compatible with 150M/260M/400M band commercial radio frequencies - Attenuates the fundamental wave frequency band by over 40dB - High input capability: 30W For more details, please contact us or download the catalog.

• Other filters

The high-performance flexible cable "STAFLEX II-26.5" covers a wide frequency range from DC to 26.5GHz, featuring flexibility, high durability, and excellent electrical characteristics. The connector is standard with a PC3.5mm specification, allowing for mechanical compatibility with SMA connectors and making it suitable for various applications such as equipment connections, evaluation measurements, and factory assembly inspections. 【Specifications】 ○ Characteristic impedance: 50Ω ○ Operating frequency range: DC to 26.5GHz ○ Capacitance: 96pF/m ○ VSWR: 1.2 or less ○ Insertion loss (reference values) → 1GHz: 0.7dB/m → 18GHz: 2.7dB/m → 26.5GHz: 3.1dB/m For more details, please contact us or download the catalog.

• cable

A product range that can accommodate various applications, including input and output connectors for various electronic measuring instruments and communication devices, as well as internal wiring of equipment and connections between devices and systems. 【Connector Types】 BNC Type N Type TNC Type SMA Type SMB Type SS Type SML Type SL Type ★For more details, please download the catalog★

• Coaxial Connectors

Stack Electronics Co., Ltd.'s coaxial connectors are a product line that can accommodate various applications, including input and output connectors for various electronic measuring instruments and communication devices, as well as internal wiring of equipment and connections between devices and systems. The BNC connector series is the most widely used among coaxial connectors. 【Features】 - Compact and lightweight - Equipped with a quick-release mechanism (bayonet lock) - Suitable for coaxial connectors with a finished diameter of φ2.5 to φ8 (approximately 1.5D-2V to 5D-2W) - Available in both 50Ω and 75Ω series → Capable of meeting a wide range of needs with a variety of options For more details, please contact us or download the catalog.

• Coaxial Connectors