SP8853
feature
. The SP8853 is specified at 1.3GHz at -55°C to +125°C (mil temp) and -40°C to +85°C (ind. temp).
FPD-
LOCK DETECT
PD1 OUTPUT
VEE3
27 26 25 24 23
FREF- POWER DOWN VEE4 VCC4 VCC1 RF INPUT RF INPUT
Cd
5 6 7 8 9 10 11 12 13 14 15 16 17 18
PD2 OUTPUT RPD VCC3 GROUND XTAL 1 XTAL2 VEE2
22 21 20 19
CLOCK
ENABLE
F1/F2
VEE1
FEATURES s Improved Digital Phase Detector Eliminates HC28 ‘Dead Band’ Effects
- FPD and FREF outputs are reversed by the phase s Low Operating Power, Typically 175m W detector sense bit in the F1/F2 programming word. The above diagram is correct when the sense bit is low. See s 1- 3GHz Operating Frequency Table 2 and Fig. 7. s plete Phase Locked Loop s High Input Sensitivity VCC1, VEE1
- preamplifier and prescaler supplies .. VCC2, VEE2
- oscillator supplies s Programmed through Three-Wire Bus VCC3, VEE3
- charge pump 2 supplies s Wide Range of Reference Division Ratios VCC4, VEE4
- ECL supplies s Local Storage for Two...
