MB1519 Datasheet, PDF (2/16 Pages) Fujitsu Component Limited. – DUAL SERIAL INPUT PLL FREQUENCY SYNTHESIZER

MB1519
MB1519 BLOCK DIAGRAM
7 9 10
6 15
14 12 11
8
Charge
Pump
13
Charge
Pump
1
fp
Phase
Detector
monitor
output
Phase
Detector
16
selector
TRANSMIT
SECTION
Binary
11-bit
Program-
mable
Counter
20-bit
latch
Binary
7-bit
Swallow
Counter
Reference
Counter
(512,
1024)
RECEP-
TION
SECTION
Binary
11-bit
Program-
mable
Counter
20-bit
latch
Binary
7-bit
Swallow
Counter
5
Prescaler
4
Crystal
Oscillator
2
3
Prescaler
17
Latch
Selec-
tor
23-bit shift
register
CNT
Schmitt
Circuit
Schmitt Schmitt
Circuit Circuit
18
19
20
2