Monolithic, low-noise, synchronous direct detection receiver for

Details Monolithic, low-noise, synchronous direct detection receiver for Monolithic, low-noise, synchronous direct detection receiver for

1997-08-26

2000-04-18

Mottola, Steven J.

Amplifiers

With distributed parameter-type coupling means

330124R, H03F 360, H03F 368

Patent

active

060520248

ABSTRACT:
A direct detection receiver for a passive microwave and millimeter wave radiometric imaging system. The receiver includes a balanced switch low-noise amplifier (BSLNA). A front-end, low-noise amplifier (LNA) is inserted before the BSLNA to achieve a low-noise figure, as well as provide sufficient gain to minimize the input noise figure degradation due to loss of the BSLNA. A high-electron mobility transistor (HEMT) diode is used as a power detector. The front-end amplifier, BSLNA and diode are process compatible for monolithic integration.

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