Philips Semiconductors

Product specification

NE/SE564

Phase-locked loop

1994 Aug 31

9

SR01035

Figure 11. Phase Comparator (Pins 4 and 5) and FSK (Pin 16) Outputs

BIAS ADJUST

+5V

CER.

INPUT SIGNAL

NE564

DET.

VCO

OUTPUT

LOOP

FILTER

VCO

6

7

3

812

13

9

11

5

4

10

1

2

.47

µF CER.

.47

µF

.33

µF

.33

µF

f = NxfT

CO

.47

µF

fT

NxfT

*510

Ω

1k

Ω

2k

I2

10k

÷N

510

Ω

*NOTE:

Use R9-11 only if rise time is critical.

Figure 12. NE564 Phase-Locked Frequency Multiplier