Amplifiers – With plural amplifier channels – Redundant amplifier circuits
Patent
1995-05-12
1997-02-25
Mullins, James B.
Amplifiers
With plural amplifier channels
Redundant amplifier circuits
330295, 333109, 333156, 333164, H03F 368
Patent
active
056062834
ABSTRACT:
A multi-function, balanced phase shifter and switch having a particular application as a balanced switched low-noise amplifier. The switch includes a hybrid input coupler that couples a first input signal at a first input port and a second input signal at a second input port into a first path and a second path of the switch. Each of the first path and the second path include at least one amplifier and a phase shifter. The phase shifters include a hybrid coupler and two switching devices that are simultaneously switched on or off by a single control signal. Output from the two paths are applied to an output hybrid coupler that couples the output from the two paths into first and second output ports of the switch. By controlling the two control signals applied to the phase shifters to selectively switch the switching devices on and off, signals at the input ports can be selectively amplified and switched to the output ports in a balanced, low-noise manner.
REFERENCES:
patent: 3571765 (1971-03-01), Friedman
patent: 3931599 (1976-01-01), Salzberg
patent: 4016516 (1977-04-01), Sauter et al.
patent: 4153886 (1979-05-01), Miedema
patent: 4254385 (1981-03-01), Childs et al.
patent: 4352071 (1982-09-01), Childs et al.
patent: 4467472 (1984-08-01), Wendt
patent: 4549152 (1985-10-01), Kumar
patent: 4602227 (1986-07-01), Clark et al.
patent: 4631493 (1986-12-01), Vendelin et al.
patent: 4723307 (1988-02-01), Clark et al.
patent: 4825177 (1989-04-01), Teague et al.
patent: 4939485 (1990-07-01), Eisenberg
patent: 4978932 (1990-12-01), Gupta et al.
patent: 5006811 (1991-04-01), Kruger
patent: 5023494 (1991-06-01), Tsukii et al.
patent: 5027084 (1991-06-01), Tsukii
patent: 5028880 (1991-07-01), Sakai
patent: 5053719 (1991-10-01), Tsai
patent: 5061911 (1991-10-01), Weidman et al.
patent: 5081706 (1992-01-01), Kim
patent: 5086329 (1992-02-01), Newman
patent: 5101171 (1992-03-01), Redmond
patent: 5105171 (1992-04-01), Wen et al.
patent: 5119050 (1992-06-01), Upshur et al.
patent: 5122690 (1992-06-01), Bianchi
patent: 5128639 (1992-07-01), Ueda et al.
patent: 5146177 (1992-09-01), Katz et al.
patent: 5254492 (1993-10-01), Tserng et al.
patent: 5289142 (1994-02-01), Upton
patent: 5302958 (1994-04-01), Roberts et al.
patent: 5311156 (1994-05-01), Andoh
patent: 5375257 (1994-12-01), Lampen
patent: 5379007 (1995-01-01), Nakahara
patent: 5392009 (1995-02-01), Talwar
Ballantoni, J. V. et al., "A Monolithic High Power Ka Band PIN Switch", IEEE Microwave and Millimeter-Wave Circuits Symposium, pp. 47-50 (1989).
Schindler, Manfred J. et al., "DC-40 GHz and 20-40 GHz MMIC SPDT Switches", IEEE, pp. 1486-1493 (1987).
Lo, D. C. W. et al., "A Novel Monolithic Balanced Switching Low Noise Amplifier", IEEE MTT-S Digest, pp. 1199-1202 (1994).
Neilson, D. et al., "A Broadband Upconverter IC", IEEE MTT-S Digest, pp. 454-458 (1992).
Boire, D. C. et al., "4:1 Bandwidth Digital Five Bit MMIC Phase Shifters", IEEE Microwave and Millimeter-Wave Monolithic Circuits Symposium, pp. 69-73 (1989).
Mazumder, Shamsur R. et al., "A Novel 6 to 8 GHz 180-Degree Bit Phase Shifter Configuration Having Very Small Amplitude and Phase Errors", IEEE MTT-S Digest, pp. 83-86 (1994).
Maas, Steven A., "Balanced and Multiple-Device Circuits", Artech House, pp. 209-221 (1988).
Allen Barry R.
Dow Gee S.
Lo Dennis C.
Wang Huei
Mullins James B.
TRW Inc.
Yatsko Michael S.
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