Amplifiers – With semiconductor amplifying device – Including plural amplifier channels
Patent
1989-11-30
1991-06-25
Mottola, Steven
Amplifiers
With semiconductor amplifying device
Including plural amplifier channels
330107, 330286, H03F 368
Patent
active
050270842
ABSTRACT:
A transceiver module includes a bi-directional amplifier having a pair of symmetric signal paths for amplification of both transmit and receive signals is described. The amplifier is a bi-directional amplifier and includes a pair of symmetric signal paths. The amplifier is disposed between a pair of r.f. switches to provide a pair of signal paths between two terminals of the module. A phase shifter is coupled between on of the terminals of the module and one of the r.f. switches, wherein the second terminal of the module is coupled directly to the other one of the pair of switches.
REFERENCES:
patent: 4788509 (1988-11-01), Bahl et al.
patent: 4845440 (1989-07-01), Aitchison
Design and Performance of a 2-18 GHz Monolithic Matrix Amplifier, A. P. Chang, K. B. Niclas, B. D. Cantos, and W. A. Strifler, IEEE 1989 Microwave and Millimeter-Wave Monolithic Circuits Symposium, pp. 139-141.
The Matrix Amplifier: A High-Gain Module for Multioctave Frequency Bands, Karl B. Niclas and Ramon R. Pereira, IEEE Transactions on Microwave Theory and Techniques, vol. MTT-35, No. 3, Mar. 1987, pp. 296-306.
Designing a Family of Broadband GaAs MMIC Switches, brochure Compact Software, Inc., pp. 7-8.
Maloney Denis G.
Mottola Steven
Raytheon Company
Sharkansky Richard M.
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