Signal selecting circuit

Details Signal selecting circuit Signal selecting circuit

1998-10-19

2000-12-19

Hunter, Daniel S.

Telecommunications

Receiver or analog modulated signal frequency converter

With wave collector

455 78, 455327, H04B 110

Patent

active

06163686&

ABSTRACT:
A signal selecting circuit comprises a first switch means connected between a first input terminal and a common output terminal, a second switch means connected between a second input terminal and the common output terminal, a first microstrip line for connecting the first switch means and the common output terminal, and a second microstrip line for connecting the second switch means and the common output terminal, wherein a length of the first microstrip line is set to be approximately odd-numbered times of 1/4 wavelength of a frequency of an image signal relative to the second mode reception signal, and a length of the second microstrip line is set to be approximately odd-numbered times of 1/4 wavelength of a frequency of an image signal relative to the first mode reception signal.

REFERENCES:
patent: 3939429 (1976-02-01), Lohn et al.
patent: 5369795 (1994-11-01), Yanagimoto
patent: 5530927 (1996-06-01), Smith
patent: 6070059 (2000-05-01), Kato et al.

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