FREE POSTED MATERIALS
Newsletters, App Notes, Etc. below are posted free - mostly our newly-produced publications.
Items in blue are posted online only and are not offered as part of paper-version sales.
Items in red are posted online here but are currently (Feb. 2013) part of paper-version sales,
so if you are printing your own hard copies, AND ordering some material from us as well, wait to see
if they are part of any hard copy sets you order.
Nearly all newsletters and app notes not posted are available as paper copies - see Prices/Shipping.
Newsletters
Active Filtering Series:
ELECTRONOTES 191 Vol. 19 Dec. 1999 34 Pages
[HERE]
Analog Signal Processing Notes, Ch 1,2
ELECTRONOTES 192 Vol. 19 Feb. 2000 46 Pages
[HERE]
Analog Signal Processing Notes Ch 3
ELECTRONOTES 193 Vol. 19 Mar. 2000 24 Pages
[HERE]
Analog Signal Processing Notes Ch 4
ELECTRONOTES 194 Vol. 20 Apr. 2000 50 Pages
[HERE]
Analog Signal Processing Notes Ch 5,6
ELECTRONOTES 195 Vol. 20 Jul. 2000 58 Pages
[HERE]
Analog Signal Processing Notes Ch 7
ELECTRONOTES 196 Vol. 20 Dec. 1999 40 Pages
[HERE]
Analog Signal Processing Notes Ch 8,9,10
Digital Filtering Series
ELECTRONOTES 197 Vol. 20 Apr. 2001 38 Pages
[HERE]
Digital Signal Processing Notes Part 1 -
Analog Corner : Neg. Gain VCVS
ELECTRONOTES 198 Vol. 20 June 2001 60 Pages
[HERE]
Digital Signal Processing Notes Part 2 -
Analog Corner : Measuring Q with Decrement
ELECTRONOTES 199 Vol. 20 Sep. 2001 34 Pages
[HERE]
Digital Signal Processing Notes Part 3 -
Analog Corner : Gain Adjust. via Thevenin
NEWSLETTERS EN#200 -->
ELECTRONOTES 200 Vol. 21 Dec. 2001 58 Pages
[HERE]
Sampling Tutorial - Newsgroups - Troubleshooting
ELECTRONOTES 201 Vol. 21 Feb. 2002 24 Pages
[HERE]
Additional Sampling Examples - Analog Corner: 2nd Order Envelope Generator
ELECTRONOTES 202 Vol. 21 Feb. 2002 28 Pages
[HERE]
Active Comp Sallen-Key - Curious Triangular Window
ELECTRONOTES 203 Vol. 21 Jan . 2004 30 Pages
[HERE]
Intuitive Polyphase Rate Changers - Bittersweet
ELECTRONOTES 204 Vol. 21 Aug. 2004 38 Pages
[HERE]
Finite Word Length Effects – Part 1
-----Beginning EN#205 – Internet Only ------------
ELECTRONOTES 205 Vol. 22 Mar. 2008 36 Pages
[HERE]
Polyphase on Demand - Bunched Sampling
ELECTRONOTES 206 Vol. 22 Feb. 2010 24 Pages
[HERE]
Through Zero FM Theory
ELECTRONOTES 207 Vol. 22 Dec. 2011 31 Pages
[HERE]
Kautz Functions
ELECTRONOTES 208 Vol. 22 Jan. 2012 24 Pages
[HERE]
White Noise Curiosity – Non-Flat Spectrum
ELECTRONOTES 209 Vol. 22 Feb. 2012 27 Pages
[HERE]
Finite Wordlength Effects – Part 2
ELECTRONOTES 210 Vol. 22 May 2012 23 Pages
[HERE]
RC Lowpass Revisited
ELECTRONOTES 211 Vol. 22 July 2012 28 Pages
[HERE]
Engineering Models
ELECTRONOTES 212 Vol. 22 Dec. 2012 19 Pages
[HERE]
Bouncing Ball - DACs for Pseuddo-Random
ELECTRONOTES 213 Vol. 22 Jan 2013 58 Pages
[HERE]
Musical Scales Revisited - Beating Revisited
ELECTRONOTES 214 Vol. 22 Feb. 2013 51 Pages
[HERE]
Compensation of Ckt. Blocks for Op-Amp Poles - Revisited
Application Notes
ELECTRONOTES APP NOTE 312 Dec. 1990 8 Pages
[HERE]
An Intuitive Approach to FFT Algorithms
ELECTRONOTES APP NOTE 333 Oct. 1995 8 Pages
[HERE]
Inverse Chebyshev Filters
ELECTRONOTES APP NOTE 334 Nov. 1995 8 Pages
[HERE]
Elliptic Filters
ELECTRONOTES APP NOTE 335 Dec. 1995 14 Pages
[HERE]
LP to HP Transformations
ELECTRONOTES APP NOTE 336 Jan. 1996 12 Pages
[HERE]
LP to BP Transformations
ELECTRONOTES APP NOTE 337 Mar. 1996 37 Pages
[HERE]
Generalized Freq. Sampling
ELECTRONOTES APP NOTE 349 Jul. 1998 9 Pages
[HERE]
Contrasting Sinewave Generation in the Analog and Digital Cases
ELECTRONOTES APP NOTE 352 May 2002 12 Pages
[HERE]
Errors in Frequency Shifters
ELECTRONOTES APP NOTE 353 Mar. 2003 3 Pages
[HERE]
Gain and Time Constant of Integrators
ELECTRONOTES APP NOTE 354 May 2003 3 Pages
[HERE]
Side-Tracking Filter
ELECTRONOTES APP NOTE 355 Oct. 2003 26 Pages
[HERE]
Envelope Extraction with Hilbert Transformer
ELECTRONOTES APP NOTE 356 Oct. 2003 36 Pages
[HERE]
Non-Uniform Sampling
ELECTRONOTES APP NOTE 357 Nov. 2003 12 Pages
[HERE]
Considerations for a Noise Ordinance
ELECTRONOTES APP NOTE 358 Jun. 2004 16 Pages
[HERE]
Perfect Reconstruction Filter Examples
ELECTRONOTES APP NOTE 359 Jul. 2004 3 Pages
[HERE]
DFT Length Conversion
ELECTRONOTES APP NOTE 360 Aug. 2004 2 Pages
[HERE]
Flat and Not-So-Flat Spectra
ELECTRONOTES APP NOTE 361 May 115, 2005 11 Pages
[HERE]
Tuning Equations
ELECTRONOTES APP NOTE 362 Dec. 2005 25 Pages
[HERE]
Customized Hamming Window
---------------------Internet Only Below -----------------------
ELECTRONOTES APP NOTE 363 Mar. 2006 4 Pages
[HERE]
Bit Saving with Noise Shaping
ELECTRONOTES APP NOTE 364 Apr. 5, 2006 7 Pages
[HERE]
Fourier Series and DFT
ELECTRONOTES APP NOTE 365 Apr. 15, 2006 15 Pages
[HERE]
Frequency Resolution with Few Samples
ELECTRONOTES APP NOTE 366 May 2006 18 Pages
[HERE]
Equalization - Unfiltering
ELECTRONOTES APP NOTE 367 Jun. 2006 13 Pages
[HERE]
Fixed Point Digital Sinewave Oscillators
ELECTRONOTES APP NOTE 368 Dec. 2006 18 Pages
[HERE]
Minimum Norm Interpolation
ELECTRONOTES APP NOTE 369 Feb. 2007 28 Pages
[HERE]
Two Dimensional Uniform Sampling
ELECTRONOTES APP NOTE 370 Mar. 2007 26 Pages
[HERE]
Lifting – A Third Approach to Wavelets
ELECTRONOTES APP NOTE 371 Apr. 2007 17 Pages
[HERE]
A 2D Wavelet Lifting Example
ELECTRONOTES APP NOTE 372 Jan. 2008 10 Pages
[HERE]
Interpolation Error in Sinewave Tables
ELECTRONOTES APP NOTE 373 Feb. 2009 17 Pages
[HERE]
Interpretation of DFT as One Frequency Sinusoidal Waveforms
ELECTRONOTES APP NOTE 374 Aug. 2010 14 Pages
[HERE]
A View of Linear Frequency Invariant Systems
ELECTRONOTES APP NOTE 375 Nov. 2011 11 Pages
[HERE]
Moving Averages and Single Sinewave Cycles
ELECTRONOTES APP NOTE 376 Dec. 2011 36 Pages
[HERE]
Interpolation of Samples on a Square Lattice
ELECTRONOTES APP NOTE 377 Feb. 2012 13 pages
[HERE]
False Ideas About Random Sequences
ELECTRONOTES APP NOTE 378 Mar. 2012 10 Pages
[HERE]
A Program for a Flat White Noise
ELECTRONOTES APP NOTE 379 Jul. 2012 17 Pages
[HERE]
Fun Plotting Your Own Global Warming Curves
ELECTRONOTES APP NOTE 380 Aug 5, 2012 11 Pages
[HERE]
Fun With Lighting Switches–Simple But Sometimes Frustrating
ELECTRONOTES APP NOTE 381 Aug 10, 2012 6 Pages
[HERE]
A Fun Analysis - Instrumentation Amplifier
ELECTRONOTES APP NOTE 382 Aug 20, 2012 11 Pages
[HERE]
Fun With Ohm's Law - Maximum Power Transfer
ELECTRONOTES APP NOTE 383 Aug 25, 2012 6 Pages
[HERE]
A Fun Problem Don Lancaster Dropped on Us Years Ago
ELECTRONOTES APP NOTE 384 Sep. 1, 2012 16 Pages
[HERE]
Fun With Red Noise
ELECTRONOTES APP NOTE 385 Sep. 5, 2012 29 Pages
[HERE]
Looking At Principal Component Analysis
ELECTRONOTES APP NOTE 386 Oct. 1, 2012 8 Pages
[HERE]
Fun With A Round Earth
ELECTRONOTES APP NOTE 387 Oct. 10, 2012 6 Pages
[HERE]
Fun With FFT Timing
ELECTRONOTES APP NOTE 388 Nov. 1, 2012 13 Pages
[HERE]
Fun with Survey Maps
ELECTRONOTES APP NOTE 389 Nov. 15, 2012 5 Pages
[HERE]
Fun With Probability Puzzles 1–The Monty Hall Problem
ELECTRONOTES APP NOTE 390 Nov. 20, 2012 4 Pages
[HERE]
Fun With Probability Puzzles 2–False Positives
ELECTRONOTES APP NOTE 391 Nov. 25, 2012 4 Pages
[HERE]
Fun With Probability Puzzles 3–The Girl Named Florida
ELECTRONOTES APP NOTE 392 Dec. 5, 2012 18 Pages
[HERE]
Fun With Reverend Bayes - An Overview
ELECTRONOTES APP NOTE 393 Dec. 10, 2012 5 Pages
[HERE]
The Bayes Equation Denominator
ELECTRONOTES APP NOTE 394 Jan. 20, 2013 8 Pages
[HERE]
Node Voltages by Superposition
ELECTRONOTES APP NOTE 395 Mar. 30, 2013 24 Pages
[HERE]
Averaging - and Endpoint Garbage
WebNotes
WEBNOTE 1 8-15-2009 3 Pages
[HERE]
Op-Amp Selections
WEBNOTE 2 8-15-2009 3 Pages
[HERE]
Walsh Functions
WEBNOTE 3 8-21-2009 3 Pages
[HERE]
4-Pole VCF
WEBNOTE 4 8-30-2009 3 Pages
[HERE]
Linearity
WEBNOTE 5 7-10-2012 3 Pages
[HERE]
PROBLEMS WITH CFL LIGHT BULBS
WEBNOTE 6 9-26-2012 3 Pages
[HERE]
NOTES ON THE INTUITIVE FFT
WEBNOTE 7 10-15-2012 6 Pages
[HERE]
NOTES ON A "DERIVED" NEGATIVE SUPPLY
WEBNOTE 8 12-10-2012 4 Pages
[HERE]
STILL PROBLEMS WITH CFL's
WEBNOTE 9 12-24-2012 4 Pages
[HERE]
HOW THE FARMER CORRECTLY SAW SATURN
WEBNOTE 10 2-5-2013 24 Pages
[HERE]
WHY ENGINEERS (SPECIFICALLY) SHOULD BE VERY SKEPTICAL
OF CLAIMS OF DANGEROUS MAN-MADE GLOBAL WARMING
WEBNOTE 11 2-22-2013 4 Pages
[HERE]
Peer Reiew - Short Comments
Misc. Items
"SUPPLEMENTS" NOT AVAILABLE IN PAPER
[S-007 DIGIVOX Users' Guide]
[S-016 Lab Prob and Examp in Active, V-C, and Delay Line Methods]
ITEMS NEVER PUBLISHED!
[Theory and Practice of Musical Sound Synthesis - Section 1]
[Theory and Practice of Musical Sound Synthesis - Section 2a]
[Theory and Practice of Musical Sound Synthesis - Section 2b]
[Theory and Practice of Musical Sound Synthesis - Section 2c]
[Theory and Practice of Musical Sound Synthesis - Section 2d]
FIVE AES PAPERS
[Walsh Functions]
[Hadamard Transform]
[Exponential FM]
[Animation]
[Adapting Delay Comb Filter]
[Simple Hardware Pitch Extractor]
REQUESTED ITEMS:
Here we have posted specific items which were requested by readers.
[App Note 345 Part 1]
[App Note 345 Part 2]
[Electronotes Supplement S-019 Exponential/Log]
[Electronotes 62 Pg 12 Charlie Thompson OTA]
[Electronotes 72 Timbre Modulator]
[Electronotes 129 Through-Zero VCO]
[Electronotes 110 Spectrum of PWM - Requested]
[Electronotes App Note AN-71 Multi Mode Filter]
[Electronotes App Notes on "Actually Building"]
[Electronotes 111 - Part - Ian's Oscillator]
[Electronotes 61 - Part - Slew-Limited S&H]
[Electronotes 85 - New VCF Ideas]
[Electronotes 97 - Bjorkman Brief Note - Better Method than EN#85]
[ELECTRONOTES 113 - Regarding Dual OTA Chips]
[ELECTRONOTES App Note 67 - Triangle-Square Oscillator]
[ELECTRONOTES EN#87 Animator]
[ELECTRONOTES 37 Part Terry M. Exp Converters]
[Various Notes on Power Supplies]
[Universal Music from EN#35 - von Hoerner]
[ "Scales" from Musical Engineer's Handbook]