Amplifiers – With semiconductor amplifying device – Including frequency-responsive means in the signal...
Patent
1988-02-29
1989-08-08
Mottola, Steven
Amplifiers
With semiconductor amplifying device
Including frequency-responsive means in the signal...
330 59, 330308, H03F 3191, H03F 308
Patent
active
048556874
ABSTRACT:
The signal-to-noise ratio of a transimpedance operational amplifier is enhanced by employing a large feedback resistor. Bandwidth lost in the process recaptured by a compensation network without reducing the signal-to-noise ratio. The compensation network provides a zero which cancels the upper 3 db pole of the transimpedance amplifier, and also provides a high frequency pole defining the restored bandwidth of amplifier.
REFERENCES:
patent: 4470020 (1984-09-01), Mohr
No affiliations
Hentzel Paul
Micro Video, Inc
Mottola Steven
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