H - Electricity – 03 – F
Patent
H - Electricity
03
F
H03F 1/30 (2006.01) H01L 23/34 (2006.01)
Patent
CA 2292077
An amplifier having an uncompensated gain that decreases with increasing temperature is provided. The amplifier includes an integrated circuit chip having formed thereon a plurality of serially coupled amplifier stages. Each one of a portion of such stages has temperature compensation circuitry. Such circuitry includes a plurality of selectable gains selected in accordance with temperature of the chip. Each stage has a higher gain at a temperature above a predetermined threshold level and a lower gain at temperature below such predetermined threshold level. Each stage is associated with a different predetermined threshold level. Each stage includes a gain stage having a switchable feedback element, each stage providing a first gain when such switchable feedback element is switched into one state and a second gain when such switchable feedback element is switched into a second state.
Raytheon Company
Smart & Biggar
LandOfFree
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