2500A Series Operation Manual, 34172 Revision C, March 2008
2500A Introduction
1.1 Overview
The Giga-tronics 2500A Microwave Synthesizers deliver industry-leading performance combining out-
standing low phase noise performance, high output power, and fast switching simultaneously. These fea-
tures of the 2500A Synthesizer family make it an excellent test solution for a wide range of CW,
modulation, swept frequency, and fast frequency switching RF and Microwave applications in both R&D
and manufacturing environments. All 2500A Synthesizers comply with MIL-PRF-28800F, Class 3.
The 2500A Synthesizer family is available in two series, with four unique models within each series.
Table 1-1 lists the model numbers, and the frequency ranges covered by each model.
2500A Series. The 2500A Series includes frequency ranges from 100 kHz to 8 GHz, 20 GHz,
26.5 GHz, and 40 GHz. In addition, external ALC, ramp frequency and power sweep, high stability time-
base, 100 MHz reference output, DC-FM, AM, FM, and Pulse capability, and Automation Xpress Inter-
face software and rack ears are all standard features.
1.1.1 2500A Frequency Ranges
Table 1-1 shows the various models of the 2500A Series Microwave Synthesizers, and their respective
RF output frequency ranges:
Table 1-1: 2500A Frequency Ranges
Models Frequency Range
2508A/2508AS 100 kHz to 8 GHz
2520A/2508AS 100 kHz to 20.199 GHz
2526A/2508AS 100 kHz to 26.5 GHz
2540A/2508AS 100 kHz to 40 GHz
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