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US 10,505,509 B2Granted
Process and temperature insensitive linear circuit
AssigneeCisco Technology, Inc.
InventorsKadaba Lakshmikumar, Alexander Christopher Kurylak, Manohar Nagaraju, Richard Van Hoesen Booth
Life of this patent
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Abstract
A circuit includes a front end section configured to receive input current signals; a programmable gain amplifier section coupled to the front end section, the programmable gain amplifier section including a plurality of inverters connected in series without a resistor disposed therebetween; and an output buffer section coupled to the programmable gain amplifier section and configured to output voltage signals.
Claims20
A circuit comprising:
- a front end section including a shunt-feedback inverter having a feedback structure comprising metal-oxide-semiconductor devices, the front end section configured to receive input current signals;
- a programmable gain amplifier section coupled to the front end section, the programmable gain amplifier section including a plurality of inverters connected in series without a resistor disposed therebetween;
- and
- an output buffer section coupled to the programmable gain amplifier section and configured to output voltage signals.
1 more element
A device comprising:
- a transimpedance amplifier;
- and
- a programmable linear regulator configured to provide an adjustable voltage to the transimpedance amplifier;
- wherein the transimpedance amplifier includes:
- a front end section configured to receive input current signals;
- a programmable gain amplifier section coupled to the front end section, the programmable gain amplifier section including a plurality of inverters connected in series without a resistor disposed therebetween;
- and
- an output buffer section coupled to the programmable gain amplifier section and configured to output voltage signals.
5 more elements
Dependencies are inferred from the claim text.