Giga-tronics 2508B, Operation Manual

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Performance Verification Giga-tronics 2500B Series Microwave Signal Generators
Page 96 Operation Manual, Part Number 34737, Rev C, June 30, 2011
Table 53: Phase Modulation
Phase Modulation
(Specifications apply to frequencies above 10 MHz)
Parameter Specification
Rate (3 dB Bandwidth) 100 Hz to 100 kHz
Peak Deviation 10 rad-pk/N
Accuracy ± 5 % at 1 kHz rate with 1 V peak input, 3.83 rad/Vpk sensitivity
Table 54: Pulse Modulation
Pulse Modulation
(Specification applies to frequencies above 500 MHz)
Standard Operating Modes Internal, External
On/Off Ratio > 80 dB
Rise/Fall Times
0.5 to 20 GHz < 10 ns max, 3 ns nominal
20 to 50 GHz < 25 ns max, 10 ns nominal
Minimum Leveled Pulse Width Internal / External 350 ns
Minimum Unleveled Pulse Width Open-Loop Calibrated 25 ns
, 10 ns nominal
Level Accuracy
1
Pulse Width > 350 ns ± 0.5 dB
Pulse Width > 100 to 350 ns +1.5 / -0.5 dB
Pulse Width > 25 to 100 ns +2.5 / -0.5 dB
PRF (50 % Duty Cycle)
Leveled < 3 MHz
Open-Loop Calibrated < 10 MHz
Pulse Fidelity
Video Feed Through
0.5 to 2 GHz: < 5 %
2 to 50 GHz: < 1 %
Compression < ± 5 ns
RF Delay < 75 ns
Input Sensitivity TTL levels (polarity selectable)
1
Duty Cycle must be > 0.01%