Modulator

Details Modulator Modulator

1995-01-27

1998-06-16

Dolinar, Andrew M.

Modulators

Phase shift keying modulator or quadrature amplitude modulator

H03C 100, H03C 300

Patent

active

057677506

ABSTRACT:
In a modulator, a linear converter inputs modulation signals and feed-back signals as an input vector and linearly converts the input vector. An encoder vector-quantizes the linearly converted vector and outputs the resultant signals as selection signals. A vector decoder decodes the encoded output into the plurality of feed-back signals. A selector selects and outputs one of signals with the same frequency and different phase or amplitude according to the selection signals.

REFERENCES:
patent: 3466460 (1969-09-01), Connolly
patent: 4319359 (1982-03-01), Wolf
patent: 4320361 (1982-03-01), Kikkert
patent: 4965531 (1990-10-01), Riley
patent: 5255288 (1993-10-01), Ichihara
patent: 5293406 (1994-03-01), Suzuki
H. Inose, Y. Yasuda, J. Murakami, "A Telemetering System by Code Manipulation -.increment.-.SIGMA. Modulation," IRE Trans on Space Electronics and Telemetry, Sep. 1962, pp. 204-209.
R. Schreier, "An Empirical Study of High-Order Single Bit Delta-Sigma Modulators," IEEE Trans. on CAS., vol. 40, No. 8, Aug. 1993.
S. Jantzi, W. Snelgrove, P. Ferguson, Jr., "A Fourth-Order Bandpass Sigma-Delta Modulator, " IEEE Journal of Solid-State Circuits, vol. 28, No. 3 Mar. 1993.
"A Precise Digital Modulated Signal Generator", Masahiro Kuoroda, The 1991 Autumn Convention Thesis B-239 of The Institute of Electronics, Information, and Communication Engineers, (1991).

Affiliated with

Also associated with

Rating

Modulator does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1730546