High-intercept bandlimited mixer

Details High-intercept bandlimited mixer High-intercept bandlimited mixer

1994-05-20

1996-02-20

Eisenzopf, Reinhard

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

455330, 455313, 455323, H04B 126

Patent

active

054937205

ABSTRACT:
A mixer converting a frequency of an input signal to an intermediate frequency has an input port receiving an input signal oscillating at a signal frequency and a sinusoidal pump wave oscillating at a pump frequency. A diode is connected between an input network linked to the input port and an output network linked to an output port of the mixer. The output network and the input network together cause the diode to switch rapidly between ON and OFF states and behave as with square wave drive. Bias circuitry connected to the diode comprises a resistor connected to receive a DC component of current from the diode, the current through the resistor solely biasing the diode.

REFERENCES:
patent: 4817201 (1989-03-01), Bonato
patent: 4896374 (1990-01-01), Waugh et al.
patent: 5157786 (1992-10-01), Muterspaugh
Saleh, A. A. M. "Theory of Resistive Mixers", Ph.D. Thesis, Jan. 1970, Massachusetts Institute of Technology, Cambridge, Massachusetts, pp. 24-35, 94-97, 116-137, 300-340.

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