User Manual

5
Specifications
Description Specification Notes
CW Operating Frequency Range 1000 MHz to 2000 MHz Internal Synthesizer
Noise and Pulse Interference 1575.42 MHz (L1) and optionally
Center Frequences 1227.60 MHz (L2) or 1176.45 MHz (L5) Tunable over +/-20MHz for each Band
Arbitrary Signal (AM, Noise, Pulse) 0 to 40 MHz
3dB Bandwidth
Frequency Stability +/- 0.5 ppm Over 0 to 55 degrees C
Minimum Frequency Resolution 20 kHz
Phase Noise -46 dBc/Hz at +/- 20 kHz Offset Maximum All Modes
-122 dBc/Hz at +/- 100 kHz Offset Typical CW Mode
Typical Spurious Output -52 dBc at <+/- 21.5 MHz Offset All Modes
-80 dBc at >+/- 21.5 MHz Offset CW Mode
Maximum Spurious Output in CW Mode -122.5 dBc between 1564.42 MHz For CW signal at < 1525 MHz or > 1610 MHz
and 1586.42 MHz
Available Output Power +10 dBm at 1000 to 2000 MHz After internal GPS plus Interference
+21 dBm at 1555 to 1595 MHz Combiner
Lowest Output Power -126.5 dBm All Modes
-170.5 dBm/Hz Noise Mode
Output Power Resolution 0.1 dB
Interference/Signal Ratios Up to 155 dB Relative to -134.5 dBm GPS Signal
Minimum Pulse On/Off Ratio 164.5 dB In Pulse Mode, 1575 to 1595 MHz, > +20 dBm.
Pulse Duty Cycle 0 to 100%
Pulse Width Resolution 6.67 ns
Pulse Repetition Rates 5 Hz to 75 MHz
Maximum CW, Noise -41.25 dBm/MHz Isolation to GPS Input
or Pulse Power at GPS Input
General
Processor Pentium
Operating System XP
Display 8.4” TFT-LCD Color
Remote Interface Ethernet GPIB Optional
External Reference Input 10 MHz Internal/External Reference is software selectable
Ordering Information
Part Number Description
GPS7500 Noise & Interference Generator for GPS Testing at L1 Band,
1575.42 MHz +/- 20 MHz
GPSoptL2 Additional independently programmable Noise
and Interference Generator for L2 band, 1226.20 MHz +/- 20 MHz
GPSoptL5 Additional independently programmable Noise and
Interference Generator for L5 band, 1176.45 MHz +/- 20 MHz
GPSoptREF GPS Signal Splitter with Isolated GPS Output for Reference Receiver