Parametrically-stable negative resistance diode circuit

Details Parametrically-stable negative resistance diode circuit Parametrically-stable negative resistance diode circuit

1976-06-14

1977-06-07

Rolinec, Rudolph V.

Oscillators

Solid state active element oscillator

Significant distributed parameter resonator

330 34, 330 45, H03F 310, H03B 512

Patent

active

040286371

ABSTRACT:
A parametrically-stable microwave circuit comprises in cascade a negative resistance diode, a stabilizing network, and a complementary type filter. The complementary type filter presents a substantially constant impedance to the stabilizing network from low frequencies to the operating frequency by selectively coupling the diode microwave signals to a dummy load or to a circuit load. With its termination thus controlled, the stabilizing network may be designed to suppress spurious parametric oscillations by presenting to the negative resistance diode a predetermined impedance over a broad range of frequencies.

REFERENCES:
patent: 3534293 (1970-10-01), Harkless
patent: 3792375 (1974-02-01), Brackett
patent: 3836863 (1974-09-01), Seidel

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