E1976A Datasheet, PDF (34/37 Pages) Keysight Technologies – E1966A 1xEV-DO Terminal Test Application

34 | Keysight | E1966A 1xEV-DO Terminal Test Application - Technical Overview
Single Channel GPS Source
E1999A-206 single channel GPS source
Single channel GPS source
GPS signal output
RF IN/OUT or RF OUTPUT only
GPS signal frequency
1.57542 GHz
GPS signal output level range −70 to −125 dBm
GPS signal output level accuracy < ±1.0 dB, −70 to −116 dBm
< ±1.5 dB, −116 to −125 dBm
Code type
Coarse/Acquisition (C/A)
Chip Rate
1.023 Mcps
Settable parameters
Satellite ID, data patterns and filters
Timebase Specifications
Internal high-stability 10 MHz oven-controlled crystal oscillator (OCXO)
Internal high stability 10 MHz oven-controlled crystal oscillator (OCXO)
Aging rates
< ±0.1 ppm per year, < ±0.005 ppm peak-to-peak per day during
any 24-hour period starting 24 hours or more after a cold start
Temperature stability
< ±0.01 ppm frequency variation from 25 °C over the temperature
range 0 to 55 °C
Warm-up times
5 minutes to be within ±0.1 ppm of frequency at one hour,
15 minutes to be within ±0.01 ppm of frequency at one hour
Accuracy
After a 30-minute warm-up period of continuous operation is
derived from typically ±(time since last calibration) x (aging rate) +
(temperature stability) + (accuracy of calibration)
Initial adjustment
Typically ±0.03 ppm
External reference input
Input frequency
Input frequency range
Input level range
Input impedance
10 MHz
Typically < ±5 ppm of nominal reference frequency
Typically 0 to +13 dBm
Typically 50 Ω
External reference output
Output frequency
Output level
Output impedance
Same as timebase (internal 10 MHz OCXO or external reference input)
Typically > 0.5 V rms
Typically 50 Ω
Trigger output
Frame clock output
Selectable output of 1.67 ms, 26.67 ms, 426.67 ms, or 2 s