Mixer circuit

Details Mixer circuit Mixer circuit

1986-02-03

1987-09-01

Ng, Jin F.

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

455327, 455330, H04B 126

Patent

active

046913793

ABSTRACT:
Insertion and conversion losses in a dual frequency microwave mixer circuit are lessened with the improved configuration disclosed herein. The circuit provides inputs for two local oscillator signals, each coupled through a respective bandpass filter. In another embodiment, a pair of notch filters provided near the input reduce leakage from the oscillator inputs to the signal input.

REFERENCES:
patent: 4211977 (1980-07-01), Shinkawa
patent: 4531236 (1985-07-01), Ishihara
patent: 4541123 (1985-09-01), Saka

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