Microwave semiconductor switch

Details Microwave semiconductor switch Microwave semiconductor switch

1989-09-27

1991-01-15

Gensler, Paul

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333103, 333109, H01P 110, H01P 115

Patent

active

049856898

ABSTRACT:
A microwave transmit-receive switch for switching between transmission and reception of a microwave signal, includes a directional coupler, an antenna terminal connected with an input terminal of the directional coupler, a transmission terminal connected to the isolation terminal of the directional coupler, two switches connected between the respective output terminals of the directional coupler and ground, respectively, a quarter wavelength phase delay element connecting one output terminal to a reception terminal and a transmission line having no phase delay connecting the other output terminal to the reception terminal of the switching.

REFERENCES:
patent: 3475700 (1969-10-01), Ertel
patent: 3559108 (1971-01-01), Seidel
patent: 3571765 (1971-03-01), Friedman
patent: 4701724 (1987-10-01), Martin
patent: 4789846 (1988-12-01), Matsunaga et al.
Helszahn, Control Circuits for Microwave Applications Using P-i-n diodes, Electronic Engineering, Jul. 1976, pp. 41-45.
Matsunaga et al., "An X-Band . . . Receive Switch", The Transactions of the IEICE, vol. E 70, No. 4, Apr. 1987, pp. 259-260.

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