e421371 Datasheet, PDF (25/29 Pages) Fuji Electric – Fractional-N PLL Frequency Synthesizer

MB15F83UL
s APPLICATION EXAMPLE
from controller
OUTPUT
1000 pF
1000 pF
VCO
3.0 V
0.1 µF
LPF
3.0 V
0.1 µF
Clock DATA LE
20
19
18
finRF XfinRF GNDRF VCCRF PSRF VpRF DORF
17
16
15
14
13
12
11
MB15F83UL
1
2
3
4
5
6
7
8
9
10
OSCIN GND finIF XfinIF GNDIF VCCIF PSIF VpIF DOIF LD/fout
1000 pF
1000 pF
TCXO
OUTPUT
3.0 V
1000 pF
0.1 µF
3.0 V
0.1 µF
VCO
LPF
Lock Det.
Notes:• Schmit trigger circuit is provided (insert a pull-up or pull-down resistor to prevent oscillation
when open-circuited in the input) .
• TSSOP-20
25