Amplifiers – With semiconductor amplifying device – Including signal feedback means
Patent
1991-03-01
1992-08-11
Mullins, James B.
Amplifiers
With semiconductor amplifying device
Including signal feedback means
330301, 330311, H03F 134
Patent
active
051382784
ABSTRACT:
A broadband signal amplifier includes a current conveyor (2) having a current control input (X), a voltage control input (Y) and an output (6). Signal control is provided at the current control input (X) and a feedback circuit (24, 25) is provided from the output to the current control input mainly for the lower signal frequencies. Signal control is also provided at the voltage control input (Y) and a capacitive impedance (23) is connected to the current control input mainly for the higher signal frequencies.
REFERENCES:
patent: 2983876 (1961-05-01), Tongue
patent: 3025472 (1962-03-01), Greatbatch
patent: 4184176 (1980-01-01), Sahara et al.
patent: 4335359 (1982-06-01), Kriedt et al.
Wilson, "Using Current Conveyor's", Electronics & Wireless World, Apr. 1986, pp. 28-32.
Wilson, "A New Look at Gain-Bandwidth Product", Electronics & Wireless World, Aug. 1987, pp. 834-836.
Franzblau Bernard
Mullins James B.
U.S. Philips Corporation
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