Infra-red receiver front end

Details Infra-red receiver front end Infra-red receiver front end

1984-07-09

1985-01-08

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including signal feedback means

330107, 330109, 330 59, H03F 134

Patent

active

044929315

ABSTRACT:
An infra-red receiver front-end includes a trans-impedance amplifier connected to receive an input current and provided with frequency selective transadmittance feedback between its output and input, the transadmittance feedback having a DC path to ground for low frequency noise components in the input current, caused by background illumination.

REFERENCES:
patent: 4210872 (1980-07-01), Gregorian
patent: 4227155 (1980-10-01), Lerma
patent: 4275357 (1981-06-01), Nakayama et al.

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