Wang Law Firm, Inc.
RF variable gain amplifier
A RF variable gain amplifier with an extended linear tuning range is disclosed. The variable gain amplifier employs a wide swing cascode mirror formed by two cascode transistors and two gain transistors. The two cascode transistors track each others so are the two gain transistor. The gain transistors operate on the saturation region.
VIA Technologies Inc.
H H
H03G H03G
inventional inventional
Didmin Neric Chinchi
Shin Fong Chang