Amplifiers – With semiconductor amplifying device – Including differential amplifier
Patent
1991-02-12
1992-06-09
Mottola, Steven
Amplifiers
With semiconductor amplifying device
Including differential amplifier
330261, H03F 345
Patent
active
051210797
ABSTRACT:
Sampled input, common mode driven, differential amplifier. Both inputs to a differential amplifier are sampled with a high input impedance amplifier. These signals are then summed and used to drive a buffer amplifier. The output of the buffer amplifier then drives the floating common node of a floating power supply. The floating power supply powers the main differential amplifier.
REFERENCES:
patent: 4162456 (1979-07-01), Lukes
patent: 4206416 (1980-06-01), Kellogg
patent: 4241428 (1980-12-01), Berni et al.
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