Highly linear variable-gain low noise amplifier

Details Highly linear variable-gain low noise amplifier Highly linear variable-gain low noise amplifier

1998-10-07

2000-08-08

Pascal, Robert

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330285, H03F 345

Patent

active

061007617

ABSTRACT:
A highly linear variable-gain low noise amplifier is constructed using a transistor pair having variable gain control. The gain of the transistor pair is achieved by a segmented resistor having controllable PMOS (or NMOS) components. The circuit includes a variable voltage source and operates to handle wideband radio transmissions via broadcast or cable.

REFERENCES:
patent: 3761741 (1973-09-01), Hoeft
patent: 4929908 (1990-05-01), Imanishi
patent: 5610557 (1997-03-01), Jett, Jr.
The Designer's Guide to Spice and Spectre; Kenneth S. Kundert; p. 255, 1995 .

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