low voltage transmission circuits.
Low DC line voltage; operates down to 1.6 V (excluding polarity guard) Voltage regulator with adjustable static resistance Provides a supply for external circuits .
THE PRIOR WRITTEN APPROVAL OF SHANGHAI FUDAN MICROELECTRONICS CO., LTD IS NECESSARY TO REPRINT OR REPRODUCE IN WHOLE OR.
positive line terminal gain adjustment; transmitting amplifier gain adjustment; transmitting amplifier non-inverting output; receiving amplifier gain adjustment; receiving amplifier inverting microphone input non-inverting microphone input NC negativ.
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