NASA NTRS · 19820000250
Microprogramed Sequencer for Tunable RF Oscillator
Abstract
Standard IC chips and digitally tuned oscillator combined. Circuit consists of PROM-based microprogramed control sequencer, which drives group of diode switches to select one of eight tuning capacitors in L-C oscillator. Circuit originally designed to "dither" transmitter frequency of K-band radar at high rates finds application in other areas, as automated test equipment or computer-controlled receiver tuning.
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Couch, R. H., Hearn, C. P., Williams, J. B.. 1983-05-01. Microprogramed Sequencer for Tunable RF Oscillator. https://ntrs.nasa.gov/citations/19820000250
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