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White Papers

3G/4G Multimode Cellular Front End Challenges, Part 3: Impact on Power Amplifier Design

January 17, 2012
Key Concepts Discussed:
• Power amplifier background.
• Low Power Mode versus DC-DC converters: impact on battery current.
• Quadrature versus single-ended architectures.

Optical Lithography Based Low Cost PHEMT Process

January 17, 2012
DC to 85GHz TWA and Ka-band 4.9W Power Amplifier Using an Optical Lithography Based Low Cost PHEMT Process

Buying a Signal Analyzer

January 17, 2012
Keithley Instruments

GaAs in Space

January 17, 2012
TriQuint Semiconductor

Consider the Costs of Not Migrating Your Test System

January 17, 2012
Test system migration and modernization doesn’t have to be expensive and fraught with hassle. In fact, carefully planned migration can maximize test-system efficiency, performance and readiness while providing meaningful cost savings.

50 V LDMOS: An Ideal RF Power Technology for ISM, Broadcast, and Radar Applications

January 17, 2012
RF LDMOS (RF Laterally Diffused MOS), hereafter referred to as LDMOS, is the dominant device technology used in high power wireless infrastructure power amplifier (PP applications for frequencies ranging from less than 900 MHz to 3.8 GHz.

Upfront RF Planning Speeds System-level Analysis

January 17, 2012
White paper discussing the advantages of dedicated system-level tool over spreadsheets.

SISO to MIMO: Moving Communications from Single-Input

January 17, 2012
Mark Elo, Marketing Director of RF Products, Keithley Instruments

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