This is a device capable of conducting impulse noise tests (burst noise tests). It can also be equipped with phase noise testing functionality as an option.
This device is an impulsive noise generator capable of performing impulsive noise tests (burst noise tests) as specified by standards such as DTB-T, ATSC, and DOCSIS. When an IF signal is input into this device, it adds impulsive noise and phase noise according to the set C/N and performs frequency conversion, outputting it as an RF signal. Additionally, it can be used as a noise generator (maximum NBW = 100 MHz) that outputs only noise centered around a set frequency without inputting an IF signal. Various parameters necessary for impulsive noise and phase noise testing can be easily configured, making it ideal for evaluating the performance of receivers.
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basic information
**Features** - Four pulse noise parameters can be set: (a) PD (Pulse Duration) / Pulse Width (b) PS (Pulse Spacing) / Pulse Interval (c) BS (Burst Spacing) / Burst Interval (d) Pulse Per Burst / Number of Pulses - Noise mode selection between "Impulse" and "Continuous" is possible. By using it in "Continuous" mode, it can function as an AWGN generator. - The phase noise mask setting is done by calling up pre-set profile data. The creation of profile data is done by defining five points of phase noise values offset from the carrier at 100 Hz, 1 kHz, 10 kHz, 100 kHz, and 1 MHz. - Output noise bandwidth: six types of 100, 24, 8, 6, 4, and 2 MHz - IF input frequency: 36 to 44 MHz (1 Hz step) - RF output frequency: 30 to 2150 MHz (1 Hz step) RF output level: 0 to -110 dBm (0.1 dB step) - C/N setting range: -35 to +40 dB, step: 0.1 dB
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Applications/Examples of results
A device that enables impulse noise testing (burst noise testing), ideal for the development of digital TVs and tuners.
Company information
We are a development-oriented technology company celebrating our 48th anniversary, with 80% of our employees being engineers. We handle everything from development and design to production and sales (with overseas sales through agents) independently. Our direct subsidiary, Elena Electronics Co., Ltd., is involved in the manufacturing and sales of measurement instruments related to electromagnetic waves, while our affiliated company, Koyo Measuring Instruments Co., Ltd., specializes in assembly and wiring, leveraging its expertise. Under the digital revolution, we are a specialized company developing transmission equipment and AV devices that transcend the boundaries of broadcasting and telecommunications, as well as testing signal and measurement instruments, and centralized signal equipment for factory production. Since our founding, we have honed our high-frequency, analog, and digital technologies ahead of the times, and our products are active in the broadcasting and telecommunications fields in over 30 countries worldwide, including satellite broadcasting, terrestrial broadcasting, mobile communications, optical communications, and CATV. We are fully equipped to respond to the digitalization of TV broadcasting worldwide, not only developing and producing TV test signal generators and measuring instruments, and field reproduction test equipment, but also in recent years, developing and producing area one-segment related devices, in-house/self-broadcasting, and digital signage related equipment. Moving forward, we intend to leverage our accumulated technological capabilities to introduce high-value-added products in various fields.
