NE564 Description
The NE/SE564 is a versatile, high guaranteed frequency phase-locked loop designed for operation up to 50MHz. As shown in the Block Diagram, the NE/SE564 consists of a VCO, limiter, phase parator, and post detection processor.
NE564 Key Features
- Operation with single 5V supply
- TTL-patible inputs and outputs
- Guaranteed operation to 50MHz
- External loop gain control
- Reduced carrier feedthrough
- No elaborate filtering needed in FSK
NE564 Applications
- Can be used as a modulator