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The Giga-tronics GT-1000B microwave power amplifier incorporates the CAP Wireless patented Spatium™ spatial combining architecture solid-state amplifier. The Spatium technology amplifier is based on a solid-state parallel MMIC technology with exceptionally wide bandwidth and high power. The unique circuit topology is highly reliable, with performance that excels where extremes of bandwidth and power are demanded.
The Giga-tronics GT-1000B provides excellent pulse fidelity, low intermodulation distortion, high linearity and superior gain flatness without the warm-up time, drift or aging issues of traveling wave tube amplifiers (TWTA). The GT-1000B features low noise figure, low harmonics and spurious content, and is highly tolerant to load mismatch.
The microwave power amplifier offers linear high-power amplification across multi-octave bands. It is ideal for testing in EMC, wireless communications applications and defense EW systems. For EMI/EMC and standards laboratories, the GT-1000B with 100 MHz to 20 GHz frequency range allows broadband testing without band switching or swapping narrow band amplifiers resulting in faster and more accurate testing (see Figure 1). The product complies with the essential requirements of the following applicable European Directives, and carries the CE mark accordingly: 89/336/EEC and 73/23/EEC EMC, EN61010-1 (1993) and EN61326-1 (1997).
The amplifier can be used in wireless communications and component testing wherever a highly linear amplifier is needed, such as testing RFICs and MMICs, or testing base station transmitters with high crest factor signals and high peak-to-average power levels. The GT-1000B provides high power for testing limiters, step recovery diodes (SRD) or driving traveling wave tubes (TWT).
This microwave power amplifier with excellent pulse fidelity is well suited for many aerospace and defense applications, including EW, ECM, ECCM, radar and satellite system signal simulation and testing. The GT-1000B is an ideal ATE system building block for boosting test signals to overcome cable and connector loss whenever long cable runs are needed in assembly bays, environmental test chambers or field locations.
The amplifier provides up to 40 dB of gain over the 100 MHz to 20 GHz frequency range (see Figures 2 and 3). An optional coupler/detector is available for external power monitoring or for external leveling a companion microwave signal generator. The GT-1000B can be paired with a Giga-tronics 2520B microwave signal generator, increasing the overall output power while preserving the synthesizer’s fast switching speed, modulation, and high signal fidelity. The microwave power amplifier offers linear high-power amplification across multi-octave bands and is ideal for many testing applications.
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