SE567 loop equivalent, tone decoder/phase-locked loop.
* Wide frequency range (.01Hz to 500kHz)
* High stability of center frequency
* Independently controllable bandwidth (up to 14%)
* High out-band signal a.
* Touch-Tone® decoding
* Carrier current remote controls
* Ultrasonic controls (remote TV, etc.)
* Comm.
The NE/SE567 tone and frequency decoder is a highly stable phase-locked loop with synchronous AM lock detection and power output circuitry. Its primary function is to drive a load whenever a sustained frequency within its detection band is present at.
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