Amplifiers – With semiconductor amplifying device – Including differential amplifier
Patent
1992-05-14
1994-10-18
Mottola, Steven
Amplifiers
With semiconductor amplifying device
Including differential amplifier
330261, H03F 345
Patent
active
053572092
ABSTRACT:
A limiting amplifier has between an amplifier input and an amplifier output at least one amplifier stage as well as load components. The amplifier has an output signal limiting device for limiting the maximum amplitude of the output signal and the amplification and includes a current drain device connected to the amplifier stage output and drawing current through the load components. More particularly, the amplifier stage can be a differential amplifier stage with a differential input and a differential output, two current drain devices being connected to each one of the terminals of the differential output.
REFERENCES:
patent: 4528515 (1985-07-01), Gross
patent: 4605906 (1986-08-01), Miller
patent: 4914401 (1990-04-01), Mader
patent: 5039952 (1991-08-01), Dreps et al.
M. Cooke et al., "Integrated Circuits for a 200-Mbit/s Fiber-Optic Link", IEEE Journal of Solid-State Circuits, vol. sc-21, pp. 909-915, (Dec. 1986).
R. Reimann et al., "Bipolar High-Gain Limiting Amplifier IC for Optical-Fiber Receivers Operating up to 4 Gbit/s", IEEE Journal of Solid-State Circuits, vol. sc-22, pp. 504-511, (Aug. 1987).
Mader Heinz B.
Thisell Carl-Gustaf
Tingsborg Johan U.
Mottola Steven
Telefonaktiebolaget L M Ericsson
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