Mixer

Details Mixer Mixer

1978-04-20

1980-02-12

Bookbinder, Marc E.

Electric power conversion systems

Phase conversion without intermediate conversion to d.c.

By dynamoelectric machine converter

325445, 325449, 363159, H04B 126

Patent

active

041885848

ABSTRACT:
A mixer is provided with a first waveguide part for the transmission of an input signal to be converted to a lower frequency band and with a second waveguide part for the transmission of a signal supplied by a local oscillator. The first and second waveguide parts open into a cavity containing a semiconductor which, disposed of its encapsulation, is mounted on a substrate and is used to obtain an output signal. The frequencies (f.sub.u) of the output signal form a linear combination of the frequencies (f.sub.s) of the input signal and the local oscillator frequency (f.sub.LO). The substrate comprises at least two microwave integrated circuits, forming a connection between the semiconductor and the two waveguide parts, while the mixer further comprises a transmission line for the output signal.

REFERENCES:
patent: 3678395 (1972-07-01), Hunton et al.
patent: 3742335 (1973-06-01), Konishi
patent: 3939430 (1976-02-01), Dickens et al.
patent: 4000469 (1976-12-01), McMaster
patent: 4118670 (1978-10-01), Dickens

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