Philips Semiconductors
Product specification
Phase-locked loop
NE/SE564
SR01035
Figure 11. Phase Comparator (Pins 4 and 5) and FSK (Pin 16) Outputs
+5V
BIAS ADJUST
.47µF
10k
CER.
I
2
.47µF CER.
2k
.33µF
2
1
10
4
5
INPUT SIGNAL
510Ω
LOOP
FILTER
6
11
.33µF
*510Ω
NE564
f
1kΩ
.47µF
T
DET.
7
VCO
9
OUTPUT
VCO
3
8
12
13
Nxf
T
C
O
*NOTE:
Use R
only if rise time is critical.
9-11
f = Nxf
T
÷N
Figure 12. NE564 Phase-Locked Frequency Multiplier
9
1994 Aug 31