Multi-channel programmable gain amplifier controlled with a...

Details Multi-channel programmable gain amplifier controlled with a... Multi-channel programmable gain amplifier controlled with a...

2005-01-25

2005-01-25

Hoff, Marc S. (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Electrical signal parameter measurement system

C702S124000, C327S561000, C330S278000

Reexamination Certificate

active

06847904

ABSTRACT:
A programmable gain amplifier (PGA) controlled through a serial communications interface are fabricated on an integrated circuit (IC). A multiplexer (MUX) may also be included on the IC. The serial communications interface controls the gain of the PGA, MUX channel selection, and other functions of the PGA. Status of the PGA may also be obtained through the serial communications interface. By using a serial communications interface, the pin count of the PGA IC package may be kept to a minimum.

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Blake, K.E., “A Simplifid-Transistor Macromodel of a High-Speed Multiplier/VGA”, Aug. 1993, Circuits and Systems, 1993, vol. 2, pp. 1349-1352.

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