Digital microwave multi-bit attenuator

Details Digital microwave multi-bit attenuator Digital microwave multi-bit attenuator

1993-09-17

1995-08-08

Pascal, Robert J.

Wave transmission lines and networks

Attenuators

327308, H01P 122

Patent

active

054402808

ABSTRACT:
An attenuator circuit having a resistive "T" network and a resistive "Pi network in parallel with said "T" network.

REFERENCES:
patent: 3529266 (1970-09-01), King
patent: 3684974 (1972-08-01), Solomon et al.
patent: 4975604 (1990-12-01), Barta
patent: 4978932 (1990-12-01), Gupta et al.
patent: 5157323 (1992-10-01), Ali et al.
patent: 5281928 (1994-01-01), Ravid et al.
"DC-20 GHz MMIC Multi-Bit Digital Attenuators With On Chip TTL Control", B. Khabbaz, A. Pospishil, E. R. Schineller, H. P. Singh, Jon Jorgenson, 1991 IEEE, GaAs Symposium, pp. 239-242.
"Low-Loss, High-Power, Broadband GaAs MMIC Multi-Bit Digital Attenuators With On-Chip TTL Drivers", Fazal Ali, Scott Mitchell & Allen Podell; 1991 IEEE, GaAs Symposium, pp. 243-246.
"An Ultra Broadband DC-12 GHz 4-Bit GaAs Monolithic Digial Attenuator", Finbarr J. McGrath & Russ G. Pratt, 1991 IEEE, GaAs IC Symposium, pp. 247-250.

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