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Browse Prior Art Database

DYNAMIC RF POWER CLAMP

IP.com Disclosure Number: IPCOM000008404D
Original Publication Date: 1997-Dec-01
Included in the Prior Art Database: 2002-Jun-12

Publishing Venue

Motorola

Related People

Authors:
Brian Lacy

Abstract

Many RF Power Amplifiers (PAS) are not very rugged to power output above a certain level. Power out is controlled by software and the control loop. Software is to slow to save the PA from control loop overshoot and the control loop does not know when the software has asked for too much power. Even older PAS whose power out was set by a poten- tiometer could be destroyed by over aggressive technicians. A fast power limit is needed to protect the PA while still allowing the software to control power levels.