It is optimal for adjacent interference tests and co-channel interference tests of terrestrial digital broadcasting (ISDB-T). In addition to digital signals, analog signals can also be transmitted.
This device is capable of simultaneously generating a total of six RF signals: four OFDM waves for terrestrial digital broadcasting (ISDB-T) and two analog television broadcasting waves. Each RF signal can have its output frequency individually selected from VHF, MID, SHB, and UHF television channels. The output level can also be individually adjusted in 1 dB steps from -10 dBm to -70 dBm. Additionally, it is equipped with an RF signal synthesizer, making it easy to combine RF signals from other devices. It is optimal for measuring interference suppression ratios (co-channel/adjacent channel interference) using a standard signal generator (such as our 3529A OFDM modulator).
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basic information
【Features】 - It is possible to simultaneously generate a total of six RF signals: four OFDM waves and two analog waves. - The data for each OFDM is processed so that their peaks do not align at the same time. - The video signal includes a color bar, and the audio signal is equipped with a 1 kHz sine wave generator. - Each RF signal wave can be individually switched between modulation output, CW output, and output OFF. - The OFDM output unit outputs at a frequency that is offset by 1/7 from the set channel frequency. - Remote operation is possible via GP-IB and RS-232C.
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Applications/Examples of results
It is ideal for adjacent interference tests and co-channel interference tests for terrestrial digital (ISDB-T) TV 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.
