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Application Notes & Technical Papers
by Company / Source Name

These application notes on vendor sites are some of the fastest moving targets on the web. If you try to hit one of the links and it is gone, please make an attempt to determine the new URL and notify me. Thank you. Due to how large the original page has grown, multiple pages are now used.

 

Application Notes & Technical Papers by Product:  Absorbers - Interference

 

Application Notes & Technical Papers by Product:  LEDs - ZigBee 

 

Agilent Technologies
  • Amplifier Test
    cp.literature.agilent.com/litweb/pdf/5990-4128EN.pdf
  • Bluetooth Manufacturing Test - A Guide to Getting Started
    cp.literature.agilent.com/litweb/pdf/5988-5412EN.pdf
  • Choosing the Right Power Meter and Sensors
    literature.agilent.com/litweb/pdf/5968-7150E.pdf
  • Coaxial Electromechanical Switches
    cp.literature.agilent.com/litweb/pdf/5989-6085EN.pdf
  • Digital Modulation in Communications Systems - An Introduction
    cp.literature.agilent.com/litweb/pdf/5965-7160E.pdf
  • GPS Receiver Verification
    cp.literature.agilent.com/litweb/pdf/5990-6279EN.pdf
  • Memory Effects in Microwave Components
    cp.literature.agilent.com/litweb/pdf/5990-5799EN.pdf
  • MIMO RF Test and Debug
    cp.literature.agilent.com/litweb/pdf/5990-6080EN.pdf
  • Oscilloscope Fundamentals - Agilent App Note 1606
    cp.literature.agilent.com/litweb/pdf/5989-8064EN.pdf
  • Search application notes by subject, type of content, or category
    home.agilent.com/agilent/facet.jspx?lc=eng&cc=US&t=80030.k.1
  • Square Law and Linear Detection
    literature.agilent.com/litweb/pdf/5953-4444.pdf
  • Validating Receiver Performance
    cp.literature.agilent.com/litweb/pdf/5990-6787EN.pdf
American Microwave
americanmicrowavecorp.com/sform/appnotes2/
Application notes for variable attenuators.

Analog Devices
analog.com

  • A Design Guide to Instrumentation Amplifiers
    analog.com/en/amplifiers-and-comparators/instrumentation-amplifiers/products/index.html
    Download this 108-page, highly detailed handbook for free while it is available!
  • DDS-Based Clock Jitter Performance vs. DAC Reconstruction Filter Performance
    analog.com/static/imported-files/application_notes/351016224AN_837.pdf
  • Methodology for Narrow-Band Interface Design Between High Performance Differential Driver Amplifiers and ADCs
    analog.com/static/imported-files/application_notes/AN-1098.pdf
  • Programming the AD5932 for Frequency Sweep and Single Frequency Outputs
    analog.com/static/imported-files/application_notes/AN-1044.pdf
  • Programming the AD9833/AD9834
    analog.com/static/imported-files/application_notes/AN-1070.pdf
  • Radio Design 101
    analog.com/static/imported-files/tech_articles/480501640radio101.pdf
  • Wireless Transmitter IQ Balance and Sideband Suppression
    analog.com/static/imported-files/application_notes/AN-1100.pdf
Anaren
  • Directional Couplers - Xinger - RF Power SMT Directional Coupler Cross Reference Guide
    anaren.com/docs/app_notes/AAN-1014.pdf
  • Hybrid (90°) Coupler - Xinger - RF Power Surface Mount Hybrid Cross Reference Guide
    anaren.com/docs/app_notes/AAN-1013.pdf
  • Resistive products, surface mount signal distribution, cased and caseless connectorized
    anaren.com/custom/documents.cfm?doctype=4

Andrei Grebennikov, M/A-COM Eurotec

RF & Microwave Power Amplifier Design
Lecture 1: Nonlinear Active Device Modeling
Lecture 2: Impedance Matching
Lecture 3: PA Design Fundamentals
Lecture 4: High Efficiency Power Amplifier Design

Anritsu App Notes
us.anritsu.com/downloads
Downloadable application notes on RF & microwave test methodology. Antenna Research Associates
ara-inc.com/PDF-RF/015-standard.pdf
Standard Antenna Terms & Related Formulas.

Apex Wireless
apexwireless.com/tech_notes.htm
Frequency Hopping VS. Direct Sequence and Frequency Hopping (FH).

Applied Radio Labs
radiolab.com.au/DesignFile/DN004.pdf
Group Delay Explanations & Applications.

ARRL

arrl.org/tis/info/pdf/010102qex009.pdf
Class-E RF Power Amplifiers, by Nathan O. Sokal, WA1HQC.

ATC Ceramics

atceramics.com/pdf/technotes/dielectric_aging.pdf
Dielectric Aging Phenomenon.

Atmel Corporation

atmel.com/dyn/resources/prod_documents/doc1205.pdf
ASIC Design Guidelines.

AVX Corporation

  • Benefits of Thin-Film Dielectric Chip Capacitors at VHF, UHF and Higher Frequencies - By virtue of these characteristics and excellent mechanical features, this thin film capacitor is the ideal surface mount chip for high frequency applications.
    avxcorp.com/docs/techinfo/benefilm.pdf
  • Ceramic capacitors technical information
    avx.com/techinfo_doclisting.asp?Category=Ceramic Capacitors
  • Energy and power handling capabilities of thin film and ceramic capacitors
    avxcorp.com/docs/techinfo/energytf.pdf

Bell System Technical Journal
bstj.bell-labs.com
All editions from 1922 through 1983. Bell Labs is the source of many significant contributions, of course, in the area of telephony, but also in memory devices, imaging devices, system organization, computers and software technology, as well as acoustics, optics, switching, transmission, wireless and data communication. Generously made available by Lucent Alcatel Lucent.

Biology Daily
biologydaily.com/biology/Capacitor
Capacitor Basics - Definitions and configurations, with some equations and illustrations.

BroadcastPapers.com
broadcastpapers.com/whitepapers.cfm?objid=2
Huge Whitepaper Collection.

Carl Lodström
The Noble Art of De-Coupling.

Colby Instruments
colbyinstruments.com

  • 622 MBd ATM/SONET/SDH PHY Reference Design Development
    colbyinstruments.com/pdfs/ref_design.pdf
  • Adjust mis-matched delay lines in Cypress Semiconductor Application Note on Jitter in Transmission Systems
    colbyinstruments.com/pdfs/jitter.pdf
  • CPDL Operating and Programming Manual
    colbyinstruments.com/pdfs/CPDL-MANUAL.pdf
  • Dewar-to-Dewar Data Transfer at 2 Gigabits per Second
    colbyinstruments.com/pdfs/asc98jxp.pdf
  • Fine tuning clock source for Agilent Pattern Generator 70841B
    colbyinstruments.com/pdfs/5980-0729E.pdf
  • Measuring Jitter in Digital Systems
    colbyinstruments.com/pdfs/5988-9109EN.pdf
  • NEC Corporation High-resolution Measurement by a High-T Superconductor Sampler
    colbyinstruments.com/pdfs/ASC98_hidaka.pdf
  • PDL-30A Operating and Programming Manual
    colbyinstruments.com/pdfs/PDL-30A-MANUAL.pdf
  • PDL-100A Application for Windows XP
    colbyinstruments.com/pdfs/PDL-100A_DIST.ZIP
  • PG-1000A Pulse Generator User Manual
    colbyinstruments.com/pdfs/PG1000A_USER_MANUAL.pdf
  • SG-5000A Signal Generator User Manual
    colbyinstruments.com/pdfs/PG5000A_USER_MANUAL.pdf
  • Phase Noise Measurements & Jitter Analysis
    colbyinstruments.com/pdfs/5988-5291EN.pdf
  • Synchronizing differential clock sources for Bit Error Ratio Test (BERT)
    colbyinstruments.com/pdfs/5988-2861EN.pdf
Complex 2 Real
complextoreal.com/tutorial.htm
This is the mother lode of communications tutorials, compliments of Charan Langton.
  • Tutorial 1 - Basic concepts in signal analysis, power, energy and spectrum
    complextoreal.com/chapters/signals.pdf
  • Tutorial 2 - What is Differential Phase Shift Keying
    complextoreal.com/diffcod.htm
  • Tutorial 3 - What is the DVB-S standard, a simplified version
    complextoreal.com/tdvbs.htm
  • Tutorial 4 - Fourier Analysis Made easy - Part 1
    complextoreal.com/chapters/fft1.pdf
  • Tutorial 5 - Fourier Analysis Made easy - Part 2
    complextoreal.com/chapters/fft2.pdf
  • Tutorial 6 - Fourier Analysis Made Easy - Part 3
    complextoreal.com/fft3.htm
  • Tutorial 7 - Hilbert Transform and the Complex Envelope
    complextoreal.com/tcomplex.htm

  • Tutorial 8 - All About Modulation - Part 1
    complextoreal.com/chapters/mod1.pdf
  • Tutorial 9 - Baseband, Passband and Amplitude Modulation (AM)
    complextoreal.com/base.htm
  • Tutorial 10 - All about Traveling Wave Tube
    complextoreal.com/chapters/twta.pdf
  • Amplifiers (TWTA) and non-linear amplification
    complextoreal.com/chapters/twta.pdf
  • Tutorial 11 - Link Budgets 101
    complextoreal.com/chapters/linkbud.pdf
  • Tutorial 12 - Convolutional Coding and Decoding Made Easy
    complextoreal.com/chapters/convo.pdf
  • Tutorial 13 - Coding Concepts and Block Coding
    complextoreal.com/chapters/block.pdf
  • Tutorial 14 - Inter Symbol Interference (ISI) and Raised cosine filtering
    complextoreal.com/chapters/isi.pdf
  • Tutorial 15 - How to interpret an Eye diagram
    complextoreal.com/chapters/eye.pdf
  • Tutorial 16 - Partial Response signaling and Quadrature Partial Response (QPR) modulation
    complextoreal.com/chapters/qpr.pdf
  • Tutorial 17 - Frequency Modulation (FM) , FSK, MSK and more
    complextoreal.com/chapters/fm.pdf
  • Tutorial 18 - Unlocking the Phase Locked Loop (PLL) - Part 1
    complextoreal.com/chapters/pll.pdf
  • Tutorial 19 - Unlocking the Phase Locked Loop (PLL) - Part 2
    complextoreal.com/chapters/pll2.pdf
  • Tutorial 20 - Modulation performance metrics and computation of BER
    complextoreal.com/chapters/modulation2.pdf
  • Tutorial 21 - Linear Time Invariant systems and Matched filtering
    complextoreal.com/chapters/mft.pdf
  • Tutorial 22 - Orthogonal Frequency Division Multiplex (OFDM, DMT)
    complextoreal.com/chapters/ofdm2.pdf
  • Tutorial 23a - About Lattice and cosets
    complextoreal.com/chapters/Lattice.pdf
  • Tutorial 23b - Trellis coded Modulation (TCM)
    complextoreal.com/chapters/tcm.pdf
  • Tutorial 24 - Turbo Coding and MAP Decoding, Part 1
    complextoreal.com/chapters/turbo1.pdf
  • Part 2 - The MAP decoding algorithm, step-by-step
    complextoreal.com/chapters/turbo2.pdf
    Companion worksheet

    complextoreal.com/chapters/turbo_example.xls
  • Tutorial 25 - CDMA
    complextoreal.com/CDMA.pdf
Compliance Engineering
ce-mag.com/archive/02/Spring/fogelle1.html
Antenna Pattern Measurement: Concepts and Techniques, part 1, by Dr. Michael D. Foegelle. The first article of this two-part series explores the basic concepts and techniques of antenna pattern measurement and evaluates the benefits and drawbacks of various measurement methods.

Cushcraft Corporation

  • Antenna Performance and Design Considerations for Optimum Coverage in Wireless Communication Systems
    cushcraft.com/comm/support/pdf/Antenna-Performance-C-14B37.pdf
  • Antenna Performance and Design Considerations for Optimum Coverage in Wireless Communication Systems
    cushcraft.com/comm/support/pdf/Antenna-Performance-C-14B37.pdf
Dow-Key Microwave
dowkey.com
  • A Guide To RF Switching Systems
    dowkey.com/_upload/AN2008-06_Guide_to_RF_Switching_Systems.pdf
  • Creating Your Own RF Switching System
    dowkey.com/_upload/AN2008-08_CYOM_Rev1.pdf
  • Ethernet Software Configuration Application Note
    dowkey.com/_upload/AN2008-08-ENET_Rev1-1.pdf
  • IEEE-488.2 (GPIB) Software Configuration Application Note
    dowkey.com/_upload/AN2008-08-GPIB_Rev1-1.pdf
Eagleware
eagleware.com/pdf/apps/0014_GaAsFETPA.pdf
GaAs FET Power Amp Simulation.

EDN Access
reed-electronics.com/ednmag/archives/1996/120596/25df_04.htm
Battery Handling - Li-Ion, by Matt Schindler.

EDN

  • DACs - Double Rate With Mixers - Double DAC rate by using mixers as switches, by Randall Carver.
    edn.com/article/CA376628.html
Electronic Components, Assemblies & Materials Association (ECA)
ec-central.org/magazine/nov_dec_02/tech_paper_emifilter.pdf
EMI Filter Problems? Avoid them with proper installation and selection, by Mark Carter, Dearborn Electronics.

Electronic Design
electronicdesign.com/Articles/ArticleID/9660/9660.html
Clock Requirements for Data Converters - Equations for calculating jitter and phase noise in data converters, by Don Tuite.

Electrostatic Discharge Association
esda.org
Publications include standards and documents, books, EOS/ESD Symposia proceedings, selected papers and white papers, EOS/ESD Symposia presentations, ESD tutorial and seminar notes.

Emerson & Cuming Microwave Products

  • Absorber Principles - Specular, 1/4 wavelength, graded absorber, surface currents, cavity resonance.
    eccosorb.com/pages/83/Technical Notes
  • Electromagnetic principles & applications that span the frequency range from 30 MHz through 100 GHz. Describes applications and properties.
    eccosorb.com/pages/115/WH Emerson paper
Energizer Application manuals
Alkaline
data.energizer.com/PDFs/alkaline_appman.pdf
Carbon Zinc
data.energizer.com/PDFs/carbonzinc_appman.pdf
Manganese Dioxide App Note
data.energizer.com/PDFs/alkalineminiature_appman.pdf
NiCad
data.energizer.com/PDFs/nickelcadmium_appman.pdf
NiMH
data.energizer.com/PDFs/nickelmetalhydride_appman.pdf
Silver Oxide
data.energizer.com/PDFs/silveroxide_appman.pdf
Zinc Air
data.energizer.com/PDFs/zincair_appman.pdf

Evaluation Engineering
evaluationengineering.com/archive/articles/1005/1005the_world.asp
The World of the Near Field, by Tom Lecklider.

FlexiPanel
flexipanel.com/Docs/Bluetooth Remote Control... From Your Mobile Phone.pdf
Bluetooth Remote Control from Your Mobile Phone. FlexiPanel makes a lot of turnkey modules for ZigBee and Bluetooth applications. Admittedly, this concept does scare me a bit from a terrorist perspective!!!

Freescale Semiconductor

  • Compact Integrated Antennas - Starts with basic antenna theory and builds through dipole, inverted-F, helix, loops, meandering, and other types. Ends with layouts & radiation patterns.
    freescale.com/files/rf_if/doc/app_note/AN2731.pdf
Glen Dash
glendash.com/glendash-overview.htm
Designing Enclosures for EMC Compliance. Even though Dr. Dash is an accomplished expositor on Maxwell's Equations, his opening quote here is, "While science has devised new models and computerized methods for EMC design, your best tool for enclosure design may still be your thumb."
On this website you will find an incredibly extensive collection of papers on the subject of EMC/EMI/RFI testing and measurement, anechoic chambers, antennas, Maxwell's Equations, regulatory law, noise control, crosstalk, product liability, and much more.

Granite Island Group
tscm.com/antennas.pdf
Antenna Basics - In PDF format.

Herley
herley.com/index.cfm?act=app_notes&notes=attenuators
Application Notes: Attenuators.

High Frequency Electronics
highfrequencyelectronics.com/Archives/Oct04/HFE1004_Kurzrok.pdf
A Review of Key Equalizer Specifications and What They Mean, by Richard Kurzrok.

High Frequency Electronics
highfrequencyelectronics.com/Archives/Oct04/HFE1004_Kurzrok.pdf
Electromagnetic Radiation and Human Health: A Review of Sources and Effects.

HP Journal Online Archive
hpl.hp.com/hpjournal/pdfs/IssuePDFs/hpjindex.html
This appears to be a complete collection of the HP Journal, running from September 1949 (v1. n.1) through February 1998.

Electronic Design
web-ee.com/primers/Tutorials.htm
WebEE series of tutorials & primers. Many articles on Amplifiers and Filters, Batteries, Classes in Electronics, CMOS, Communications, Digital Filters, Electrostatics, Microprocessors, Medical, MOSFETs, Motors, Operational Amplifiers, Optoelectronics, PC Related, Phase Locked Loops, Power Conversion, Pressure Sensors, and Printed Circuit Boards.

INGECOM
numatechnologies.com/pdf/an_antenna.pdf
V / UHF Antenna Design.

Instruments For Industry
ifi.com/web/html/appnotes/pdf/101.pdf
Selection and Operation of RF Power Amplifiers for EMC Testing Applications.

International Rectifier App Notes
irf.com/technical-info/appnotes.htm
App notes in .pdf format including motor control, lighting, high voltage ICs, class D audio, automotive, AC-DC, DC-DC, aerospace and defense, general, MOSFET, IGBT, diode, package, thermal.

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

Ivan Boshnakov, Aerial Facilities Limited

First-Time-Right Design Of RF/Microwave Class A Power Amplifiers Using Only S-ParametersA procedure of how to design RF/Microwave Class A power amplifiers in a very efficient and highly accurate manner when the only initial data available are the S-parameters of the transistors.

JFW
jfwindustries.com/Manuals/matrixapplicationnotes.pdf
Matrix Switches Blocking vs. Non-blocking
jfwindustries.com/catalog/RF_Matrix_Switch_App_Note-111-1.html

Johanson Technology

  • Capacitor Q & ESR Explained
    johansontechnology.com/technicalnotes/qne
  • Capacitor RF Current & Power
    johansontechnology.com/technicalnotes/rfc
  • Chip Balun: Definitions & Measurement
    johansontechnology.com/technicalnotes/cbn
Linx Technologies
  • Antennas: Design, Application, and Performance
    linxtechnologies.com/Documents/AN-00500.pdf
  • Modulation Techniques for Low-Cost RF Data Links
    linxtechnologies.com/documents/AN-00130.pdf
  • RF 101 Information for the RF Challenged
    linxtechnologies.com/Documents/AN-00100.pdf
  • Understanding Antenna Specifications and Operation
    linxtechnologies.com/Documents/AN-00501.pdf
  • List of all application notes
    linxtechnologies.com/Support/Application-Notes
Lodestone Pacific
lodestonepacific.com/distrib/pdfs/Magnetics/Design_Application_Notes.pdf
Magnetic Core Design Rules.

M/A-COM

  • Part I: A General Design Procedure for Bandpass Filters Derived From Low Pass Prototype Elements
    macom.com/Technical Articles/pdf/Bandpass_Filter_tutorial.pdf
  • Part II: A General Design Procedure for Bandpass Filters Derived From Low Pass Prototype Elements
    macom.com/Technical Articles/pdf/Bandpass_Filter_tutorial2.pdf
  • Design information, product information, quality information
    macom.com/Application Notes/index.htm
  • RF Directional Couplers and 3dB Hybrids Overview
    macom.com/Application Notes/pdf/m560.pdf
Maxim Integrated Products
  • A/D and D/A conversion / sampling circuits
    maxim-ic.com/appnotes10.cfm/ac_pk/2
  • A Measurement Technique for Determining RF Immunity
    maxim-ic.com/appnotes10.cfm/ac_pk/2
  • Analog Filter Design Demystified
    maxim-ic.com/appnotes.cfm/appnote_number/1795
  • Improving Receiver Intercept Point Using Selectivity
    pdfserv.maxim-ic.com/en/an/AN749.pdf
  • Mixer 2x2 Spurious Response and IP2 Relationship
    maxim-ic.com/appnotes.cfm/appnote_number/1838/ln/en
  • Search application notes by category or by part number
    maxim-ic.com/appnotes10.cfm
  • Understanding Common-Mode Signals
    maxim-ic.com/appnotes.cfm/appnote_number/2045/ln/en
MaxStream (now Digi)
maxstream.net/support/knowledgebase/article.php?kb=153
XBee Antennas - Practical information regarding the performance of the XBee and XBee-PRO RF Modules.

Maury Microwave
maurymw.com/support/appnoteslibrary/appnoteslib.htm

Download application notes relating to Maury products and subjects of interest. MECA Electronics

  • Directional Coupler Basics
    e-meca.com/tech_papers/directional-coupler-specs.htm
  • Hybrid Coupler Basics
    e-meca.com/tech_papers/hybrid_basic.htm
  • IP Dust and Water Protection Rating
    e-meca.com/tech_papers/ip65.php

  • Isolator/Circulator Basics
    e-meca.com/tech_papers/iso_cir.htm
  • Power Dividers as Combiners
    e-meca.com/tech_papers/why_dividers.htm
  • Reactive Splitters
    e-meca.com/tech_papers/splitters.htm

  • Why Directional Couplers Are Better for High Power Measurements vs. Attenuators
    e-meca.com/tech_papers/powerkit.php
  • WiMAX - A brief introduction to basic concepts and differences to WiFi
    e-meca.com/tech_papers/wimax-wifi.phpe-meca.com/tech_papers/powerkit.php
MECA Electronics
e-meca.com
  • Directional Coupler Basics (MAP-701)
    e-meca.com/tech_papers/directional-coupler-specs.php
  • Hybrid Coupler Basics
    e-meca.com/tech_papers/hybrid_basic.php
  • IP Ratings Explained
    e-meca.com/tech_papers/ip65.php
  • Isolator/Circulator Basics
    e-meca.com/tech_papers/iso_cir.php
  • Power Dividers as Combiners (MAP-801)
    e-meca.com/tech_papers/why_dividers.php
  • Reactive Splitters
    e-meca.com/tech_papers/splitters.php
  • RF Power Measurement Kit
    e-meca.com/tech_papers/powerkit.php
Merrimac Industries
merrimacind.com/rfmw/05intro_quadhybrids.pdf
Quatrature Hybrids 90°i Power Dividers/Combiners 10 kHz to 40 GHz General Information.

Micrel
micrel.com/_PDF/App-Notes/an-23.pdf
Antenna Design Tutorial, by Tom Yestrebsky.

Microwave Product Digest
mpdigest.com

  • How To Choose the Best Test Cable, by Paul Tusini
    mpdigest.com/Articles/2004/Aug2004/times/Default.htm
  • The Right Antenna Makes GPS Work - by Sarantel
    mpdigest.com/Articles/2004/Apr2004/sarantel/Default.htm
Milmega
milmega.co.uk/downloads.php
Design and Construction of a 6kW Pulsed Amplifier for 1.2-1.4GHz Applications, Corporate Structure Amplifier, Design of a High Power Amplifier to Replace TWTAs in Airborne Applications, CW Amplifiers, Pulsed Amplifier, The Choice is Yours, Application for Milmega Amplifiers in the Communications Industry.

Motorola
http://www.motorolasolutions.com/US-EN/Home?WT.tsrc=Georedirects

N6CA, ham-radio.com
ham-radio.com/n6ca/50MHz/50appnotes/50ants.html
Antenna Application Notes.

Narda Microwave East

  • Attenuators (Step, Fixed, Variable)
    nardamicrowave.com/east/UserFiles/atten_notes.pdf
  • Couplers
    nardamicrowave.com/east/UserFiles/couplers_notes.pdf
  • Fiber Optic Products
    nardamicrowave.com/east/UserFiles/fiberoptic_notes.pdf
  • Free Running Oscillators
    nardamicrowave.com/east/UserFiles/freerunning_notes.pdf
  • Hybrids
    nardamicrowave.com/east/UserFiles/hybrids_notes.pdf
  • Microwave Integrated Circuits / Multifunction Assemblies (MIC and MFA)
    nardamicrowave.com/east/UserFiles/MIC.pdf
  • Power Dividers
    nardamicrowave.com/east/UserFiles/powerdividers2.pdf
  • Power Meters and Monitors
    nardamicrowave.com/east/UserFiles/pm398(1).pdf
  • Terminations
    nardamicrowave.com/east/UserFiles/term_notes.pdf
  • Waveguide
    nardamicrowave.com/east/UserFiles/waveguide175.pdf
National Semiconductor
national.com/nationaledge/feb05/article.html
ADC Interleaving - Interleaving ADCs for Higher Sample Rates, by Nicholas C. Gray.

National Instruments
zone.ni.com/devzone/cda/tut/p/id/3237
Designing Filters Using the Digital Filter Design Toolkit, by Rahman Jamal, Mike Cerna, John Hanks.
National Taiwan University

  • Amplifier Design (Microwave) - Very informative presentation
    cc.ee.ntu.edu.tw/~thc/course_mckt/note/note9.pdf
  • Filter Design - Transmission Line  (in English)
    cc.ee.ntu.edu.tw/~thc/course_mckt/note/note7.pdf
  • Network Analysis (in English)
    cc.ee.ntu.edu.tw/~thc/course_mckt/note/note3.pdf
  • Directional Couplers & Power Dividers
    cc.ee.ntu.edu.tw/~thc/course_mckt/note/note6.pdf
National Semiconductor
national.com/an/OA/OA-11.pdf
A Tutorial on Applying Op Amps to RF Applications, by National Semiconductor.

Naval Education & Training Professional Development & Technology Center
cs.tcd.ie/Stephen.Farrell/ipn/background/US-Navy-NEETS/Module10-14182.pdf
Navy Electricity and Electronics Training Series Module 10 - Introduction to Wave Propagation, Transmission Lines, and Antennas.

Navy's Electrical Engineering Training Series (NEETS)
tpub.com/neets
The entire series downloadable in PDF format.

Nikonians
nikonians-images.com/ebooks/Nikonians Battery Guide.pdf
Battery Selection Guide - Lots of good information on battery chemistries and charge/discharge characteristics.

Noisecom
noisecom.com

  • Accurate Es/No for DOCSIS / CATV BER Measurements
    noisecom.com/applicationnotes/appnote122.pdf
  • BIT of Balanced Amplifiers
    noisecom.com/applicationnotes/appnote106.pdf
  • Calibrating Spectrum Analyzers With a Noise Source
    noisecom.com/applicationnotes/appnote112.pdf
  • Gain Bandwidth Product Tests To Cut Production Costs
    noisecom.com/applicationnotes/appnote110.pdf
  • Noise Diodes Randomize Quantization Errors in A/D Converters
    noisecom.com/applicationnotes/appnote109.pdf
  • Improving Noise Figure Measurement
    noisecom.com/applicationnotes/appnote121.pdf
  • Noise-Injection Radiometers
    noisecom.com/applicationnotes/appnote119.pdf
  • Testing Amplifier Linearity With Noise Power Ratio
    noisecom.com/applicationnotes/appnote117.pdf
Optotek
optotek.com/pdfs/note34.pdf
Amplifier Load Mismatch Design Using MMICAD - Application note, by D. Fitzpatrick.

Orban Microwave Products
orbanmicrowave.com/The_Basics_Of_Patch_Antennas.pdf
Antenna application notes from Orban Microwave Products.

Paul Wade W1GHZ
w1ghz.org/antbook/contents.htm
The W1GHZ Online Microwave Antenna Book - Excellent - a good reference for all microwaves.

Pletronics, Inc.
pletronics.com

  • Comparative Analysis of MEMs
    pletronics.com/getfile.php?id=131
  • FD7T Users Guide
    pletronics.com/getfile.php?id=141
  • TCXO vs OCXO
    pletronics.com/getfile.php?id=231
Polyphase Microwave
polyphasemicrowave.com
  • Driving the QM Series Quadrature Modulators
    polyphasemicrowave.com/datasheets/AN-101A.pdf
  • Interface Circuits for the QD Series Quadrature Demodulators
    polyphasemicrowave.com/datasheets/AN-102A.pdf
PowerStream
powerstream.com/BatteryFAQ.html
Battery Chemistry FAQ - Here we discuss different of the battery designs currently used, some of the chemistry involved, and advantages and disadvantages of each design.

Praxsym
praxsym.com

  • PAMS (Portable Attenuation Measurement System)
    praxsym.com/documents/PAMSapplicationnotes2.pdf
Rayovac
73.com/specs/th693.pdf
Lifex™ Lithium Coin Cells & FB Encapsulated Lithium Coin Cells - Part 1, application notes & product data sheet.

RF Cafe

RF Design
  • Detecting Interfering Signals and Mitigating Them, by Steve Thomas.
    rfdesign.com/mag/radio_detecting_interfering_signals
  • Fractals’ New Era in Military Antenna Design, by Nathan Cohen.
    rfdesign.com/mag/508RFDSF1.pdf
  • Power Supply and Ground Design for WiFi Transceiver, by By Roger Bremer, Tracey Chavers, Zhongmin Yu.
    rfdesign.com/mag/radio_power_supply_ground
  • Predicting junction temperature and MTTF for MMIC devices, by Radha P.N. Setty.
    rfdesign.com/mag/508RFD33.pdf
  • Sampling & Aliasing - Mathematical basics of band-limited sampling and aliasing, by Vladimir Vitchev.
    rfdesign.com/mag/radio_mathematical_basics_bandlimited
Rohde & Schwarz
rohde-schwarz.com/www/dev_center.nsf/appnotes?OpenFrameset
Downloadable list of app notes.

Signal Processing Group, Inc
signalpro.com/bfailure.htm
Bond wire failures ( fusing) in integrated circuits with pulsed currents – an analytical view.

Skyworks
skyworksinc.com

  • A Level Detector Design for Dual-Band GSM-PCS Handsets
    skyworksinc.com/products_display_item.asp?did=2064
  • A Wideband General Purpose PIN Diode Attenuator
    skyworksinc.com/products_display_item.asp?did=2304
  • Design With PIN Diodes
    skyworksinc.com/uploads/documents/200312C.pdf
  • Cellular Handset Antenna Efficiency Measurement Using the Wheeler Cap
    skyworksinc.com/products_display_item.asp?did=3996
  • GaAs FETs as Control Devices
    skyworksinc.com/uploads/documents/APN2015.pdf
  • Mixer and Detector Diodes
    skyworksinc.com/uploads/documents/200826A.pdf
  • PIN Diode Basics
    skyworksinc.com/uploads/documents/200823A.pdf
  • Positive Voltage Operation of GaAs Control ICs
    skyworksinc.com/uploads/documents/200363A.pdf
  • Solder Reflow Information
    skyworksinc.com/uploads/documents/200164B.pdf
  • Theory and Application of Sampling Phase Detector
    skyworksinc.com/uploads/documents/200328B.pdf
  • Two-Tone vs. Single-Tone Measurement of 2nd-Order Non-linearity and IP2 Performance of Direct Conversion Receivers
    skyworksinc.com/products_display_item.asp?did=1024
  • Varactor Diodes
    skyworksinc.com/uploads/documents/200824A.pdf
Spectrum Microwave
spectrummicrowave.com
  • Amplifier Operating Temperature Definitions
    spectrummicrowave.com/pdf/Amplifier_Operating_Temperature_Definitions.pdf
  • Hybrid Voltage Controlled Oscillators
    spectrummicrowave.com/pdf/VCO_application_notes.pdf
  • LCA - Low Cost Amplifiers
    spectrummicrowave.com/pdf/Amplifier_Operating_Temperature_Definitions.pdf
  • Selecting and Using Miniature Microstrip and Surface-mount Mixers
    spectrummicrowave.com/pdf/Mixer_Application_Notes.pdf
Tech-Etch
tech-etch.com/shield/4000series.html
EMI/RFI Shielding.

Telecontrolli
seapraha.cz/Download/AntennaDesign.pdf
Antenna Design Considerations.

Texas Instruments
focus.ti.com/analog/docs/amplifiersandlinearhome.tsp?familyId=57&contentType=4
Amplifiers & linear including audio amplifiers, op amps, comparators, current sensing, difference amplifiers, instrumentation amplifiers, isolation analog amplifiers, logarithmic amplifiers, sensors, sensor conditioning, 4-20mA transmitters, solenoid/valve power drivers (PWM), TEC & pump laser bias.

Texas Instruments

  • Clocks & timers including clock circuits, real-time clocks, memory interface clocks and registers, digital media systems clocks, data communications clocks, wireless base station clocks.
    focus.ti.com/analog/docs/techdocs.tsp?familyId=346&navSection=app_notes&contentType=8
  • Data converters including analog monitor & control circuitry, analog to digital converters, CODECs, digital to analog converters, MicroSystem mixed-signal data converters, touch screen controllers.
    focus.ti.com/analog/docs/techdocs.tsp?familyId=82&navSection=app_notes&contentType=8
  • Digital signal processing including DaVinci™ digital media processors, C6000™ high performance DSPs, C5000™ power-efficient DSPs, C2000™ digital signal controllers, other TMS320™ DSPs.
    focus.ti.com/dsp/docs/dspsupporttechdocs.tsp?sectionId=3&tabId=409&techDoc=1&familyId=44&documentCategoryId=1
  • Interface including 1394, CAN, display interface, isolators, LVDS/M-LVDS/ECL/CML, PCI, RS-232, RS-422, RS-485, SCSI termination & transceivers, serializers & deserializers, UARTs, USB.
    focus.ti.com/analog/docs/techdocs.tsp?familyId=361&navSection=app_notes&contentType=8
  • Power management including AC/DC & DC/DC power supplies, battery management, hot swap & power distribution, linear regulators, plug-in power modules, power management special functions, supervisory circuits (voltage supervisors), non-isolated switching, DC/DC regulators, power management multi-channel IC (PMIC) solutions, lighting and display solutions, references, fusion digital power(TM) control solutions.
    focus.ti.com/analog/docs/techdocs.tsp?familyId=64&navSection=app_notes&contentType=8
TriQuint Semiconductor
triquint.com
  • Designing High Efficiency Amplifiers using HFETs
    triquint.com/prodserv/tech_info/docs/mmw_appnotes/hfetapp.pdf
  • Package / Tape & Reel Information
    triquint.com/prodserv/tech_info/tape_and_reel.cfm
  • PC Board Layout Tips
    triquint.com/prodserv/tech_info/pcb_tips.cfm
  • Qualification Flow Chart
    triquint.com/prodserv/tech_info/qual_flow_chart.cfm
  • Soldering Profile
    triquint.com/prodserv/tech_info/soldering.cfm
UMR EMC Laboratory Technical Report
emclab.umr.edu/pdf/TR00-1-041.pdf
Measurement in FR-4
emclab.umr.edu/pdf/TR00-1-041.pdf
Determining Dielectric Constant and Loss Tangent in FR-4.

University of California
xanadu.ece.ucsb.edu/~long/ece145a/PA_notes1.pdf
Power Amplifier Design Lectures - ECE 145A/218A, by Professor Steve Long.

University of California
ece.ucsb.edu/rad/pubs/master/oisler_2004.pdf
RF Power Amplifier Design - Design and Implementation of a Common Collector Class B RF Power Amplifier in InGaP HBT Technology, by Oliver Isler.

University of Guelph
uoguelph.ca/~antoon/gadgets/caps/caps.html
Capacitor history - A very nice introduction to capacitors including history back to Leyden Jar, by Tony van Roon.

University of Illinois Urbana-Champaign
courses.ece.uiuc.edu/ece450/Notes/TransmissionLines1.pdf
Complex Numbers, Phasors & Circuits - Another great PowerPoint presentation from, by Professor Amanogawa.

University of San Diego
sandiego.edu/~ekim/e194rfs01/rfamp.pdf
Amplifier Design - Design of Microwave Transistor Amplifiers Using S Parameters - EEE 194 RF course material.

University of San Diego, CA
home.sandiego.edu/~ekim/e194rfs01/filterek.pdf
Filter Design, Distributed Element, from Ernie Kim. Periodic structures and equivalent lumped element models.

University of San Diego, CA
sandiego.edu/~ekim/e194rfs01/minl_atten/minlosatten.html
Minimum loss attenuator, from Ernie Kim, Reference - RF Design Guide: Systems, Circuits and Equations. Peter Vizmuller.

University of San Diego, CA
sandiego.edu/~ekim/otherjunk/inductor.pdf
RF inductor design, from Ernie Kim.

University of Surrey
ee.surrey.ac.uk/Personal/D.Jefferies/antennas.html
A very extensive treatise of many antenna types, including definitions, photos, and examples, by David Jefferies.

University of Surrey
ee.surrey.ac.uk/Personal/D.Jefferies/yagiuda.html
Yagi-Uda Antennas - Tutorial with photographs of actual antennas, by David Jefferies.

UTE Microwave, Inc
utemicrowave.com/mainpages/circulatorfacts.htm
Basic Circulator Facts.

Vectron International
vectron.com/products/appnotes/jitter.htm
Jitter in Clock Sources.

Virginia Polytechnic Institute & State University
scholar.lib.vt.edu/theses/available/etd-92598-152639/unrestricted/KIRAN2.PDF#search='dielectric constant portland concrete'
Effect of Admixtures, Chlorides, and Moisture on Dielectric Properties of Portland CementConcrete in the Low Microwave Frequency Range, Thesis by Kiran Pokkuluri.

Virginia Polytechnic Institute & State University
antd.nist.gov/wctg/manet/docs/models.pdf#search='dielectric constant building walls concrete'
Ultra-wideband Propagation Measurements and Channel Modeling. DARPA NETEX Program Report on Through-the-Wall Propagation and Material Characterization.

Wenzel Associates
wenzel.com/pdffiles/RFDesign3.pdf
Low Frequency Circulator/Isolator Uses No Ferrite or Magnet, by Charles Wenzel.

Zarlink Semiconductor
assets.zarlink.com/AN/an4855.pdf
GPS Receiver Hardware Design.

Z-Communications Inc.
zcomm.com

  • Band Switching Voltage Controlled Oscillators
    zcomm.com/PDFs/appNotes/AN-105.pdf
  • Low Cost, Extremely Wide Bandwidth VCO Design using multiplxers and Z-Comm VCOs
    zcomm.com/PDFs/appNotes/AN-110.pdf
  • Manual Soldering Technique for Z-Comm VCOs
    zcomm.com/PDFs/appNotes/AN-107.pdf
  • Marking Orientation and Tape Placement of Z-Comm VCOs
    zcomm.com/PDFs/appNotes/AN-111.pdf
  • Mounting and Grounding of Surface Mount Z-Comm VCOs
    zcomm.com/PDFs/appNotes/AN-101.pdf
  • Phase Noise Measurement of Z-Comm VCOs
    zcomm.com/PDFs/appNotes/AN-109.pdf
  • Phase Noise Measurement of Z-Comm SFS Series
    zcomm.com/PDFs/appNotes/AN-205.pdf
  • Programming Z-Comm PLLs
    zcomm.com/PDFs/appNotes/AN-202.pdf
  • Proper Output Loading of Z-Comm VCOs
    zcomm.com/PDFs/appNotes/AN-102.pdf
  • Pulling Measurement of Z-Comm VCOs
    zcomm.com/PDFs/appNotes/AN-113.pdf
  • Using Convection Ovens for Attaching Z-Comm VCOs
    zcomm.com/PDFs/appNotes/AN-112.pdf
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