Adjustable reflective predistortion circuit

Details Adjustable reflective predistortion circuit Adjustable reflective predistortion circuit

1985-03-29

1986-05-13

Mullins, James B.

Amplifiers

Hum or noise or distortion bucking introduced into signal...

328162, 455 63, H03F 132

Patent

active

045889589

ABSTRACT:
A predistortion circuit of the reflective type uses antiparallel-connected diodes for the desired amplitude and phase nonlinearity. If the signal applied to the diodes is of not of the correct magnitude, the desired nonlinearity will not be obtained. The magnitude of the signal applied to the diodes is increased or decreased as required by an impedance transforming circuit. The impedance transforming circuit is tuned for the frequencies of interest. The overall distortion is reduced by applying a direct bias to the diode pair.

REFERENCES:
patent: 4109212 (1978-08-01), Donnel et al.
patent: 4329655 (1982-05-01), Nojima et al.
patent: 4430619 (1984-02-01), Epsom et al.
patent: 4465980 (1984-08-01), Huang et al.
patent: 4488122 (1984-12-01), Wolkstein
Article entitled: Universally Applicable Technique Linearizes Microwave Power AMP Tubes, by: John Gosch, published: 9-11-80 in Microwave Magazine pp. 82-83.
Article entitled: Predistortion Nonlinear Compensator for Microwave SSB-AM System, by: Nojima et al., published by: IEEE 1980.
Book entitled: Jerrold Instruction Book for Model 3441 Amplifiers published May 1969.
"High Performance Broadband Baluns", Nagle, Ham Radio, Feb. 1980, pp. 28-34.

Affiliated with

Also associated with

Rating

Adjustable reflective predistortion circuit does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Adjustable reflective predistortion circuit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Adjustable reflective predistortion circuit will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1772434