Wide bandwidth frequency doubler

Details Wide bandwidth frequency doubler Wide bandwidth frequency doubler

1989-05-30

1990-06-05

Wong, Peter S.

Electric power conversion systems

Frequency conversion without intermediate conversion to d.c.

By semiconductor converter

363157, 328 16, 328 20, 333218, H02M 5293

Patent

active

049319213

ABSTRACT:
A single-transistor frequency doubler uses an elliptical filter on the collector of the transistor to improve the bandwidth of the doubler. Bandwidths in excess of thirty five percent having relatively constant output power levels at frequencies over 200 MHz can be realized.

REFERENCES:
patent: 3230396 (1966-01-01), Boelke
patent: 3334293 (1967-08-01), Schultz
patent: 3717784 (1973-01-01), Heise
patent: 4176332 (1979-11-01), Bachert
patent: 4206421 (1980-06-01), Bernhard et al.
Nguyen, "A 35% Bandwidth Q-to-W-Band Frequency Doubler", Microwave Journal, Sep. 1987, pp. 232-235.
Faber et al., "A Frequency Doubler with 35% Efficiency at W Band", Microwave Journal, Jul. 1985, pp. 145-152.

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