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SU1688376A1
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Amplitude-modulated signal demodulator
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Multiphase resonance stabilizer
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Binary signals split simulator
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Method for locating faults in cable lines
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Adaptive group receiver of multiple frequency code with pulse-and-code modulation
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Device for receiving multi-frequency signals
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Amplitude-and-frequency detector
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Device for checking level of hoises in communication channels
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Angle modulation signals shaper
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Device for forming signals with limited frequency band
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Flange joint of waveguide units
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Group digital receiver of multifrequency codes with adaptive delta modulation
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Apparatus for tolerance control of transient characteristic of readjustable oscillators
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Device for checking buzy radio-telephone communication channels relative to signal/noise ratio
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Device for simulating binary signal distortion
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Automatic frequency control device
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Device for pulse response measurement
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Voice signal generator
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Analog-digital spectrum analyzer
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Digital follow-up frequency multiplier
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