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Agilent Technologies
Practical RF Amplifier Design Using the
Available Gain Procedure and the
Advanced Design System EM/Circuit
Co-Simulation Capability
White Paper by Ken Payne
Figure 1
Abstract
This article features a method of designing a low noise RF amplifier for an 802.11b receiver application and contains an Avago ATF54143
PHEMT transistor. ADS design tools are used such that the techniques presented remove much of the guesswork from the design pro-
cess. Design speed and cost along with RF performance are of utmost importance for most RF designs, thus, one of the main objectives
is to yield a design that works with the first PCB pass. If successful, multiple PCB layouts are avoided, which saves design cost and
time. This design procedure is considered successful even if some of the lumped component values have to be adjusted slightly to get
the desired RF performance