Circuit
showing a digital spy voice recorder . Ic cxa1619bs is used for making
this circuit.The voice or sound recorder built with ISD1012, ISD1016 and ISD1020 which
are produced by ISD and allow sound voice recording and play-back. The
last 2 digits show the maximum legth of recording time in seconds.The non-volatile memory in this circuit can memorise sound or
voice without power supply up to 10 years. The circuit's input section contains a
microphone amplifier and a speaker amplifier.
S1 switch is for recording / play-back ( recording in ON position ).
When S2 is OFF the IC goes in power down mode. S3 starts the recording
or play-back and must be a push-button.
The circuit is very small so that it can be fabricated on to a very small PCB, and can be used for spy work.
Tags:spy voice recorder, voice recorder, voice recording circuit, spy voice recording circuit, digital spy circuit, digital spy recorder, spy sound recorder, sound recording circuit
Tags:spy voice recorder, voice recorder, voice recording circuit, spy voice recording circuit, digital spy circuit, digital spy recorder, spy sound recorder, sound recording circuit
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