U4082B circuit equivalent, voice switched speaker-phone circuit.
* Attenuator gain range: 52dB (between Transmit and Receive) * For line-powered applications : 3~6.5V low voltage operation * For improved sensitivity :4-point signal se.
: 3~6.5V low voltage operation * For improved sensitivity :4-point signal sensing * For Transmit and Receive paths: back.
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