Amplifiers – Modulator-demodulator-type amplifier
Patent
1981-01-21
1983-06-28
Mullins, James B.
Amplifiers
Modulator-demodulator-type amplifier
330124R, 330207A, H03F 368
Patent
active
043908462
ABSTRACT:
A power amplifier connection comprises a switching amplifier and a proportional amplifier. The output signal from the switching amplifier and the output signal from the proportional amplifier are supplied to a summation member which, by addition of the two output signals, forms the resultant output signal of the amplifier connection. The switching amplifier is adapted to be controlled in dependence on the input signal of the amplifier connection in such a way that its output signal endeavours to follow the input signal. The proportional amplifier is adapted to be controlled in dependence on the deviation between the input signal and output signal of the amplifier connection.
REFERENCES:
patent: 3783399 (1974-01-01), Black
Bosson Jorgen
Cragfors Gunnar
ASEA Aktiebolag
Mullins James B.
Wan Gene
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