Supply voltage decoupling device for HF amplifier circuits
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United States of America Patent
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-
Nov 25, 2003
Grant Date -
Feb 7, 2002
app pub date -
Jul 24, 2001
filing date -
Jul 25, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for decoupling a supply voltage for HF amplifier circuits is described which includes an output line for coupling out an amplified signal, wherein one end of the output line, which is not used for coupling out signals, is connected to a circuit element designed as decoupling circuit. The circuit element has a low ohmic d.c. resistance and presents an HF-power absorption capacity that increases as the frequency increases, thus constituting a reflection-free termination for high frequencies. The circuit element is preferably constituted by several discrete subcircuits connected in succession. The device permits the operation of integrated distributed amplifiers of high performance at a low power loss caused by the decoupling circuit.
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