(Hong Kong)
Product Summary
The NE565N is a phase-locked loop. It is a self-contained, adaptable filter and demodulator for the frequency range from 0.001Hz to 500KHz. The circuit comprises a voltage-controlled oscillator of exceptional stability and linearity, a phase comparator, an amplifier and a low pass filter as shown in the block diagram. The applications of the NE565N include: frequency shift keying, modems, telemetry receivers, tone decoders, SCA receivers, wide-band FM discriminators, data synchronizers, tracking filters, signal restoration, frequency multiplication & division.
Parametrics
NE565N absolute maximum ratings: (1)V+ maximum operating voltage: 26V; (2)VIN input voltage: 3VP-P; (3)TSTG storage temperature range: -65 to +150℃; (4)TA operating ambient temperature range: 0 to +70℃; (5)PD power dissipation: 300mW.
Features
NE565N features: (1)Highly stable center frequency(200ppm/℃ typ); (2)Wide operating voltage range; (3)Highly linear demodulated output; (4)Center frequency programming by means of a resistor or capacitor, voltage or current; (5)TTL and DTL compatible square wave output; loop can be opened to insert digital frequency divider; (6)Highly linear triangle wave output; (7)Reference output for connection of comparator in frequency discriminator; (8)Bandwidth adjustable from<±1% to>±60%; (9)Frequency adjustable over 10 to 1 range with same capacitor.
Diagrams
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