Telecommunications – Transmitter – With feedback of modulated output signal
Patent
1996-12-06
1998-03-24
Eisenzopf, Reinhard J.
Telecommunications
Transmitter
With feedback of modulated output signal
455127, 330129, 330279, H04B 104
Patent
active
057323348
ABSTRACT:
APC circuitry used for a radio transmitter comprises a detector (7) which detects a radio frequency (RF) output signal (5) to output a detection signal (8), an integrator (15) which integrates the detection signal (8) to output a power signal (16) representing the average power level of the RF output signal (5), a control unit (18) for calculating an error level from the difference between the average power level and a reference power level which corresponds to a predetermined power of the RF output signal (5), and for multiplying the error level by a correction coefficient so as to calculate a control signal correction value for correcting the value of a control signal (14) and then generate control data the digital value of which is corrected according to the control signal correction value and a reference control value that is predetermined so as to generate the RF output signal (5) having the predetermined power.
REFERENCES:
patent: 4546326 (1985-10-01), Van Uffelen et al.
patent: 5179353 (1993-01-01), Miyake
patent: 5193223 (1993-03-01), Walczak et al.
patent: 5323329 (1994-06-01), Keane
patent: 5656972 (1997-08-01), Norimatsu
Eisenzopf Reinhard J.
Mitsubishi Denki & Kabushiki Kaisha
To Doris
LandOfFree
Radio transmitter and method of controlling transmission by radi does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Radio transmitter and method of controlling transmission by radi, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Radio transmitter and method of controlling transmission by radi will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2298570