User Guide

PAMS
Technical Documentation
NSB–1
System Module
Page 3 – 39
Original 06/98
UHF PLL
Parameter Minimum Typical /
Nominal
Maximum Unit / Notes
Input frequency range
ADDBIAS off
650 1300 MHz
Input frequency range
ADDBIAS on
650 1700 MHz
Input signal level
(f<1300MHz)
200 mVpp
Input signal level
(f>1300MHz)
ADDBIAS must be on
300 mVpp
Reference input frequency 13 MHz
DCS1900 UHF VCO module
Parameter Minimum Typical /
Nominal
Maximum Unit / Notes
Control voltage (Vc) 0.8 3.7 V
Oscillation frequency 1443.2 1509.8 MHz
TX frequency range 1450.2 1509.8 MHz
RX frequency range 1443.2 1502.8 MHz
Tuning voltage at
center frequency
2.0 2.25 2.5 V
Tuning voltage sensitivity 29 33 37 MHz/V
Output power level –4.0 dBm
UHF LO signal into CRFU_2a
Parameter Minimum Typical /
Nominal
Maximum Unit / Notes
Input frequency range PCN 1310 1395 MHz
Input frequency range DCS 1443 1510 MHz
Input level
UHFLO_IN_P
–13
(140W)
–3
(261W)
dBm
(measured input re-
sistance)
Input level
UHFLO_IN_M
N/A This input is shorted
to ground with a cap