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Using GaN technology, Delta Microwave has developed a 1200 W high efficiency power amplifier (PA) for S-Band pulsed radar applications. The PA delivers a minimum of 1200 W across 2.9 to 3.1 GHz with 40 percent power-added efficiency and 45 dB minimum gain. The amplifier will handle pulse widths up to 100 µs and 10 percent duty cycle, with a maximum droop of 0.5 dB. Harmonics are -50 dBc maximum, and input VSWR is 2:1 or better. The signal interfaces to the PA are a female SMA at the input and female Type-N at the output.

The operating temperature range is -30° to +70°C, with integrated protection for over-temperature, high duty cycle and high pulse width conditions. The amplifier is biased with 32 V DC and includes over-current protection. SSPA includes internal microprocessor for TIA-485 data interface.

Delta Microwave
Oxnard, Calif.