Description
LM565 IC Pinout:
The LM565 is a general-purpose phase-locked loop containing a stable, highly linear voltage-controlled oscillator for low distortion FM demodulation and a double balanced phase detector with good carrier suppression. The VCO (Voltage Controlled Oscillator) frequency is set with an external resistor and capacitor, and a tuning range of 10:1 can be obtained with the same capacitor. The characteristics of the closed-loop system bandwidth, response speed, capture, and pull in the range may be adjusted over a wide range with an external resistor and capacitor.
The loop may be broken between the VCO and the phase detector for insertion of a digital frequency divider to obtain frequency multiplication. The LM565 is specified for operation over the −55˚C to +125˚C military temperature range. The LM565CN is specified for operation over the 0˚C to +70˚C temperature range.
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