It is a fading simulator capable of receiving diversity tests up to 4 channels.
This device is a fading simulator for broadcast waves that can conduct diversity reception tests of up to 4 channels. It has 12 paths per channel. Additionally, it is equipped with a noise generator for C/N setting, allowing noise to be superimposed on the signal after fading processing. By combining it with our diversity upconverter: 4401A-DA, it creates a diversity reception test environment in the RF frequency band.
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basic information
**Features** - The number of channels is up to 4, with each channel having 12 fading paths, creating a spacious diversity reception testing environment. When not in DIVERSITY mode (in SINGLE mode), it can be used as a fading simulator with 24 paths. - By combining with our diversity upconverter: 4401A-DA, it is possible to create a diversity reception testing environment in the RF frequency band. - Static path settings: The absolute delay for each path is ±1 ms (minimum delay resolution 1 ns), phase settings are ±180° (minimum resolution 1°), and attenuation ranges from 0 to 50 dB (minimum resolution 0.1 dB). - Rayleigh waves can be realized across all paths. Additionally, the Doppler frequency can be set from 1 Hz to 2000 Hz (minimum resolution 0.1 Hz). - Built-in noise generator (C/N: -5 to +40 dB, minimum resolution: 0.1 dB).
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Applications/Examples of results
It is ideal for the development and manufacturing of in-vehicle terrestrial digital broadcasting compatible 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.
