Method for a transmitter to compensate for varying loading witho

Details Method for a transmitter to compensate for varying loading witho Method for a transmitter to compensate for varying loading witho

1995-01-27

1996-07-30

Faile, Andrew I.

Telecommunications

Transmitter

Measuring, testing, or monitoring of transmitter

455116, 455126, 330109, 330129, H04B 1700

Patent

active

055420966

ABSTRACT:
A transmitter that includes an amplifying element, an antenna, a gain stage, and a closed loop feedback may compensate for varying antenna loads without an isolator. This may be accomplished by determining the effects of the varying loading on overall loop gain. Knowing the effects, the transmitter adjusts the gain of the gain stage to maintain a constant overall loop gain, thus eliminating the need for an isolator.

REFERENCES:
patent: 5021753 (1991-06-01), Chapman
patent: 5066923 (1991-11-01), Gailus et al.
patent: 5287555 (1994-02-01), Wilson et al.
patent: 5371481 (1994-12-01), Tiittanen et al.

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