QAM modulator circuit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 24, 1987
Grant Date -
N/A
app pub date -
Oct 20, 1983
filing date -
Oct 20, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and means for quadrature amplitude modulation is described. The improved QAM modulator circuit utilizes a small read only memory to hold multiple versions of a signal constellation resulting in the elimination of hardware modulator circuits. In addition, the described device can be potentially any modulation scheme on an input signal which is sampled in time by modifying the contents of said ROM.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully