High-speed digital chirp synthesizer
ITT Industries, Microwave Systems announces the STEL-2375A, an advanced hybrid direct digital chirp synthesizer. The design of this hybrid uses digital techniques to synthesize high-fidelity, long-duration chirp waveforms, 32-bit resolution and a 1 GHz update rate. The 2375A's GaAs NCO includes a phase accumulator and frequency accumulator, both with 32-bit resolution. Additional features include a DAC and digital synthesizer ASIC. It operates on standard ECL supply voltages and is available with or without MIL-PRF-38534. It is capable of an output bandwidth of 400 MHz and the IC has proven to perform at clock rates as high as 1.2 GHz.
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