Waveguide Gunn Diode Oscillators Make Little Noise

Pasternack’s latest line of compact waveguide Gunn diode oscillators that are tunable and generate signal levels that exhibit low phase noise at popular K and Ka band frequencies. Typical applications include transmit and receive oscillators for radio communications, local oscillator source that can be multiplied for higher mm-wave frequency test and measurement, military and commercial radar sources, police radar, Doppler sensors and security screening.


Two models make up the series: the PEWGN1001 model is a K-Band waveguide Gunn oscillator module that generates a center frequency of 24.125 GHz with a tuning range of ±1 GHz and the PEWGN1000 model generates a Ka band center frequency of 35 GHz with a tuning range of ±3 GHz. Both models incorporate self-locking tuning screws. 


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Performance specifications include phase noise as low as -98 dBc/Hz typical at 100 KHz offset and frequency stability as low as -0.2 MHz/°C maximum. The output power of these oscillators is +10 dBm min with power stability of -0.03 dB/°C maximum. Bias supply is +5 to +5.5 Vdc at 200 to 250 mA typical with an operating temperature range of -40°C to +85°C. The rugged and compact package designs support output frequency ports with fully integrated Mil-grade waveguide flanges of WR-42 UG-595/U for K band and WR-28 UG-599/U for Ka band. For more details, a datasheets are available.


Pasternak Enterprises Inc.

Irvine, CA