Integral mixer and oscillator device

Details Integral mixer and oscillator device Integral mixer and oscillator device

2005-05-24

2005-05-24

Pascal, Robert (Department: 2817)

Oscillators

Combined with particular output coupling network

C332S178000

Reexamination Certificate

active

06897734

ABSTRACT:
A device for providing the functionality of an oscillator and mixer is disclosed herein. The device uses a differential pair to provide first and second filter networks with a time varying signal. The first filer network generates an oscillating signal through the use of a generated negative resistance and provides the oscillating signal while filtering out unwanted signals. The second filter network receives the time varying input signal and the oscillating signal and provides a mixed output while preventing the transmission of oscillations at the oscillating signal frequency. A double balanced embodiment is also disclosed.

REFERENCES:
patent: 4052682 (1977-10-01), Wilcox
patent: 4308471 (1981-12-01), Misawa
patent: 4614911 (1986-09-01), Kawano
patent: 4635003 (1987-01-01), Fenk
patent: 4636663 (1987-01-01), Jongepier et al.
patent: 4833340 (1989-05-01), Deguchi
patent: 4931746 (1990-06-01), Tränkle et al.
patent: 5329189 (1994-07-01), Ushida et al.
patent: 5515014 (1996-05-01), Troutman

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