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Amplifiers

Agilent offers design, simulation and test capability for all of your RF and microwave amplifier design and test needs.

Designers of low-noise amplifiers and power amplifiers can use harmonic balance simulation in Advanced Design System (ADS) to characterize gain compression and noise. Agilent Ptolemy simulation and Circuit Envelope simulation can be used to characterize amplifiers with digital modulation signals.

After designing your amplifier and building a prototype, you can utilize Agilent test equipment to verify your designs. Agilent products include Network Analyzers, Spectrum Analyzers, Signal Sources, Oscilloscopes and more, all for your amplifier test requirements.

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Creating Measurement-Based Amplifier Behavioral Models 
This Application Note describes a behavioral model used in circuit and system simulations to verify performance of the amplifier within a circuit or system.

Application Note 2003-10-01

PDF PDF 469 KB
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Design of a 4.9 to 6.0 GHz Two-Stage Low Noise using ATF-551M4 E-PHEMT 
This Application Note examines the design of a compact two-stage, low noise, unconditionally stable, amplifier for 802.11a, HiperLAN2 and HiSWANa receiver applications using ATF-551M4 E-PHEMT.

Application Note 2005-02-01

PDF PDF 245 KB
Linearization of Multi-Carrier Power Amplifier via Digital Predistortion in ADS 
This Application Bulletin describes a method for using digital predistortion in Advanced Design System with the Linearization Design Guide to minimize spectral regrowth in wireless systems.

Application Note 2009-03-19

PDF PDF 582 KB
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Network Analysis - Filter And Amplifier Measurement Examples (AN 1287-4) 
The network analyzer is used for a variety of device and component characterization tasks in both laboratory and production environments.

Application Note 2000-08-01

PDF PDF 80 KB
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Practical RF Amp. Design Using the Available Gain Procedure & the ADS EM/Circuit Co-Sim. Capability 
This white paper features a method of designing a low noise RF amplifier for an 802.11b receiver application and contains an Avago ATF54143 PHEMT transistor.

Application Note 2009-06-25

PDF PDF 5.49 MB
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Simulating Envelope Tracking with Advanced Design System 
This example applies envelope tracking to an example amplifier to show techniques of using Advanced Design System (ADS) for this type of design.

Application Note 2012-11-22

PDF PDF 2.30 MB