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Amplifier Design Resources

These websites contain information relating to the design of RF amplifiers and opamps. There is a variety of design notes, design service providers, and some design software. Please consider RF Cafe advertisers first, since they make this resource possible.











Amplifier Vendor Page     Amplifier Design Books       Design Services


Please click to visit the Applied Computational Sciences websiteApplied Computational
Sciences
Escondido, CA
760-612-6988

ACS designs, develops and sells Electronic Design Automation (EDA) software tools for RF and microwave engineering applications. ACS's main product is the LINC2 linear circuit simulator and RF Tools products. LINC2 runs on versions of MS Windows for the PC and compatibles.

LINC2TM  - Standard & Pro, are linear circuit simulators that include a suite of design and synthesis tools seamlessly integrated into one program for the ultimate experience in the automated design of RF and microwave circuits.

LINC2 Pro Features:
 • Circuit Synthesis      • Accurate Simulation
 • Optimization            • Statistical Yield Analysis
 • Large Component Library (>30,000 device files)

Visual System Architect --:
 • RF System-Level Simulation
 • Gain, NF, IP2/3, P1dB, etc. • Table or Graph

NEW -- AMP Pro --:
 • Amplifier Design & Simulation
 • LNA, Multi-Stage, Balanced & Unbalanced, Push-Pull

** All products include FREE technical support!**

Amplifier Design | hawestv.com/mtv_page/mtv_links.htm
Transistor preamplifier calculators, find the gain of a transistor amplifier under load, by James T. Hawes, AA9DT.

Amplifier Design Application Notes | freescale.com/webapp/sps/site/overview.jsp?nodeId=012606115277331390
From Freescale Semiconductor.

Amplifier Design Using a λ/4 High Impedance Bias Line With a Defected Ground Structure (DGS) | ansoft.com/news/articles/04.04_MWJ.pdf
From Microwave Journal, by Yong-Chae Jeong, Si-Gyun Jeong, Jong-Sik Lim, and Chul-Dong Kim.

Amplifier Load Mismatch Design Using MMICAD | optotek.com/pdfs/note34.pdf
Application note from Optotek, by D. Fitzpatrick.

Applying S-Parameters To Amplifier Design |
Microwaves & RF article by Joseph F. White.

Balanced TGA1172 Measured Performance | triquint.com/docs/t/tga1172/balanced 1172 app note 1.pdf
Application note from TriQuint Semiconductor.

Broadband VHF/UHF Amplifier Design Using Coaxial Transformers | polyfet.com/HFE0503_Leong.pdf
Article in High Frequency Electronics by By C. G. Gentzler and S.K. Leong.

Buffer Amplifier Design | analogzone.com/col_01302004.pdf
By Dennis L. Feucht.

Cascode Amp Design | passlabs.com/pdf/articles/cascode.pdf
From Nelson Pass, Pass Labs.

Class A Amplifier Design - Part 1 | my.integritynet.com.au/purdic/rf_amp.htm
Class A amplifier design with the goal of a linear amplifier, by Ian C. Purdie.

Class D Audio Amplifier Design | irf.com/product-info/audio/classdtutorial.pdf
From International Rectifier.

Common-Cathode Amplifier Design Ideas | tubecad.com/2005/April/blog0042.htm
John Broskie's Guide to Tube Circuit Analysis & Design.

Design for a 40W Broadband VHF RF Power Amplifier for FM Broadcast | irational.org/sic/radio/40w-no-tune-amp.html
What this design is for: To boost the output power of low power FM broadcast band exciters, a number of these are available commercially, both as kits and ready made.

Fully Differential Amplifier Design in High-Speed Data Acquisition Systems | /focus.ti.com/lit/an/slyt119/slyt119.pdf
By James Karki, Texas Instruments.

Fully Integrated CMOS Power Amplifier Design Using the Distributed Active-Transformer Architecture | chic.caltech.edu/Publications/JSSC_PA.pdf
Abstract by Ichiro Aoki.
Low Noise & Power Amplifier Design
PA, LNA software, design articles, references and links, from Circuit Sage.

Non-inverting Operational Amplifier Circuit
Circuit and design details for an operational amplifier / op-amp non-inverting amplifier circuit. From Radio-electronics.com.

Please click here to visit the NP Technologies websiteNP Technologies
Newbury Park, CA
805-376-9299
NP Technologies designs and manufactures solid state broadband linear RF power amplifiers for commercial, military, medical and industrial applications. RF amplifiers range 10 kHz to 3 GHz in frequency and power levels exceeding 1 kW.
Standard products can be quickly modified to your specific requirements. Full custom requests are welcome. Our team of RF Engineers have over 20 years in the field and are dedicated to providing the best in value, performance and reliability.
RF / Microwave Amplifiers
Solid State MOSFET / LDMOS / GAASFET Designs
Packaged RF Modules
 • Use for multi-carrier, pulse, AM & FM modulation
 • High gain, wide dynamic range, high IP3,
    integrated heat sinks & cooling fans
    wide bandwidth, Class A, A/B
 • 10 kHz to 3 GHz, Pout up to 1000 W or more
Complete RF Amplifier Systems
 • Integrated amplifier, power supply, control,
    cooling fans
 • Rack mountable, 95 to 255 VAC, 47/63 Hz
RF Globalnet Top 10 Pick for 2008 & 2009

Hi Fi class D Audio Power Amplifier | listen.to/audioexperiment
The Sorensen Audio Experiment amplifier project by Johan Sorensen.

Operational Amplifier / Op Amp Basics | radio-electronics.com/info/circuits/opamp_basics/operational-amplifier-basics-tutorial.php
Overview, information and tutorial about the basics of the operational amplifier, or op amp widely used in analogue electronics design and electronics circuits where it can perform a variety of functions. From Radio-electronics.com.

Operational Amplifier / Op Amp Gain | radio-electronics.com/info/circuits/opamp_basics/operational-amplifier-gain.php
A simple summary of the gain given by various operational amplifier or op-amp, opamp circuits showing the formulas, formulae used for the calculations. From Radio-electronics.com.

Power Amplifier Design Guidelinessound.westhost.com/amp_design.htm
Australia
By Rod Elliott, Elliott Sound Products.

Power Amplifier Design Using Measured Load Pull Data | eesof.tm.agilent.com/pdf/MWEE-P23-30.pdf
This paper describes a technique for creating an accurate behavioral model within the software that avoids the need for manual entry of load pull data, by John Olah and Sanjeev Gupta.

Pros and Cons of Amplifier Design | peavey.com/support/technotes/poweramps/classact.cfm
By John Roberts, Peavey Electronics.

RF Amplifier Design Using HFA3046, HFA3096, HFA3127, HFA3128 Transistor Arrays | intersil.com/data/an/an9315.pdf
Application note from Intersil.

Technical Information and Free Design Software | smeter.net/amplifiers/amplifiers.php
RF Power amplifier design information & software information and software to aid the design of RF power amplifiers from S-Meter.

Using Spectrum Analyzers for Audio Amplifier Design | picotech.com/applications/ampdesign.html
Application note from Pico Technology.

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