FIELD: information storage. SUBSTANCE: apparatus for dynamically limiting noise in magnetic recording and playback channel has input terminals of recording and playback channels, output terminals of corresponding channels, amplifier in each channel, rectifier, isolating circuit, attenuator with a variable-resistance component in each channel, auxiliary variable-resistance component in each channel. EFFECT: simplified apparatus. 2 cl, 1 dwg
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|---|---|---|---|
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|
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