Three Diode Balanced Mixer.
DEPARTMENT OF THE ARMY WASHINGTON DC
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A triple Gunn diode self-oscillating mixer system is shown which can mix signals in the VHF range substantially without introducing any noise and with high input signal power handling cavity and with higher output mixed signal power than conventional, owing to boosted power from more than one microwave cavity. The device is comprised of three self-oscillating Gunn diode cavities connected by 180 deg phase shift coax lines for injection locking. The device handles larger power levels without burnout as compared to conventional mixer devices such as Schottky barrier diodes having nearly 30 times less burnout capacity. Author
- Electrical and Electronic Equipment