NJW1128 circuit equivalent, voice switched speakerphone circuit.
q q q q q q q q q Operating voltage range Attenuator gain range between Transmit and Receive Speaker amplifier Microphone amplifier with mute function Force to Receive, T.
The NJW1128 is a Voice Switched Speakerphone Circuit. It includes all of functions processing a high quality hands
–free speakerphone system, such as the necessary amplifiers ( Mic , Receive ,Line, Speaker ), attenuators, level detecto.
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