'Miracle' AM Antenna.pdf
10 Meters Lives.pdf
10 Minute Power-On Switch.pdf
100MHz Function Generator Errata EPE 1996-08.pdf
160 Pixel Resolution LED Display.pdf
1977-01 Phase and Sound Quality Note WW 1977-01.pdf
1977-05 Audibility of Phase Effects 1977-05.pdf
1977-07 Aural Sensitivity to Phase 1977-07.pdf
1977-10 Further experiments on phase audibility WW 1977-10.pdf
1979-05 Phase Response is Significant.pdf
2 Way 16 Litre Loudspeaker System 1988.pdf
3 Way Audio-Video Splitter for Classic Australian & NZ TV Signals 1988.pdf
32 Channel LOGIC  ANALYSER - PC Based  - Part  2 of 2 EA 1996-11 Needs software download and PC features that may not be available .pdf
4 Input Automotive Fault Detector Errata SC 2016-09.pdf
400 kHz AC low pass filter for 120 VAC 60 Hz line filtering.pdf
40W Ham Radio Station.pdf
5 Element DAB Antenna Notes SC 2016-11.pdf
50A 12-24V Battery Charger Controller 2016 Requires PIC firmware download.pdf
50W-Channel Stereo Amplifier Errata EA 1996-06-07.pdf
A Dynamic Mutual Conductance Valve Analyser.mht
A New Corner Speaker Design 1949.pdf
ABSOLUTE PHASE IN AUDIO GEAR.doc
Absolute Phase In Audio Gear.pdf
Activatirig Your Loudspeaker Crossover 1974.pdf
Active Guitar Electronics 1994.pdf
ADC Supports Up to 256 Inputs.pdf
Advanced preamplifier design Part 1 WW 1976-11.pdf
Alcohol Tester.pdf
All About Headphones 1974.pdf
All About Tape Recorder Equalization.pdf
Alternator Controller Notes SC 2008-03.pdf
Aluminum Electrolytic Capacitor Application Guide.pdf
Amp & Speaker Fuses.pdf
Ampex A-122 Tape Recorder.pdf
Amplifier Q's and As-Mainly for Beginners.pdf
Amplifiers - A look at requirements and specifications.pdf
An approach to audio amplifier design.pdf
Analog Device Glossary 1988.pdf
AOC CRT Monitors Part 1.zip
AOC CRT Monitors Part 2.zip
AP0153 Moving to Altium Designer from Pads Logic and PADS Layout.pdf
Appliance Energy Meter Errata, SC 2016-08 to 19.pdf
Arachnida Warcum Triband Delta Loop Antenna 2001.pdf
Astor DLP 2 Valve Receiver.pdf
Astor Mickey Mouse Radio 1933.pdf
Attenuator Dividers.pdf
Audibility of Phase Distortion 1974-03.pdf
Audio Lab PC-Controlled Audio Instrument Part 1 SC 1995-08 - Requires Software that may be hard to find.pdf
Audio Sources 1959.pdf
Audio Transformers By Bill WHitlock.pdf
Audio Transients.pdf
AudioXpress Article-Fraser-V2 2017-05.pdf
Aural Sensitivity to Phase Comment 1977.pdf
Auto Electronics Hall Effect Sensor Errata EA 1996-10.pdf
Automatic Disc Recorder 1953.pdf
Automatic Garage Door Closer 1979.pdf
Automatic Turn Off Switch.pdf
Automotive Sensor Modifier 1996 - Requires firmware download that may be difficult to find.pdf
AVR Programmable Logic Controller Part 1 EaB 1997-12.pdf
Balanced Clipper Noise Suppressor 1948.pdf
Bargain Logic Probe.pdf
Battery Charger Auto Cutout 1996.pdf
Battery or Mains Driven High Voltage Converters Part 1 PrE 1988-07.pdf
Biased yes or no Circuit 2008.pdf
Breaking into Concert Sound.pdf
Build  a Colloidal Silver Generator 1997.pdf
Build a Digital Theremin using Arduino 2016 - May require a firnware download.pdf
Build a Tape Eraser 1974.pdf
Build an Efficient HF Mobile Antenna 1995.pdf
Build Your Own Projects Part 2 EPE 1996-12.pdf
Build Your Own Transfomer.mht
Building Audio Gear From Kits 1959.pdf
Burglar Alarm.pdf
Buying Watts And Other Things.pdf
Calculating Inrush Current Protection.pdf
Calculations Part 1 - Complex Numbers Maplin 1988-09.pdf
Care of Records 1974.pdf
Cascadable 7A Point of Load Monolithic Buck Converter.pdf
Cassette Control System.pdf
CB Radio Circuits.pdf
CB Radio Modulation Meter.pdf
CB Signal Booster.pdf
CD Decimation Filter Max Slope.pdf
CD Decimation Filter Maximally flat.pdf
Central Vacuum System Improvement 2016.pdf
CHANNELS OF COMMUNICATION.pdf
Choosing A Tape Recorder 1974.pdf
Choosing And Using Transformers.pdf
Christmas Lights Dimmer and Life Extender.pdf
Church Audio - Analog of Digital 1991.pdf
Citizen Scope for Testing CB Modulation.pdf
Clap ON - Clap OFF Switch.pdf
Codelock Remote Control - Education only - Parts likely unavailable.pdf
Combination Lock.pdf
Communications Simplified Part 16 73 1997-04.pdf
Compact 8-digit Auto-Ranging Frequency Meter Errata SC 2016-08.pdf
Compact Logic Probe 1994.pdf
Computer Controlled Note Generator - No code availble.pdf
Conference Lamp Controller.pdf
Connecting 2 Tube Amplifiers in Parallel.pdf
Constant-current LED Naavigation Lights 2008.pdf
Controlling white-LED current.pdf
Corner Speaker Cabinet for 12 -inch Cones.pdf
Cosmic  Crystal  Set.pdf
Crown BF-6000 Amplifier.pdf
Crystal Calibrator.pdf
Currawong Amplifier SC 2014-11 Update.pdf
Current Dumping Audio Amplifier Notes WW 1977-11.pdf
dBx FS900 2 Unit Miniframe Owners Manual.pdf
Dead ATX Motherboard Issues.pdf
Denon AVRX3300W AV Receiver OM.pdf
Design and Construction of Practical Dividing Networks 1947.pdf
Design curves for loudness-compensated volume controls.mht
DESIGNING AN F.M. RECEIVER  - Limiter and Discriminator Circuits 1947.pdf
Digital LC Meter 2006 - Needs Firmware download that may be difficult to find.pdf
Digital Panel Voltmeter.pdf
Digital-Analog Tachometer 1996 - Needs PIC Programmer and a software download that may not be available.pdf
Diode Thermometer.pdf
Direct-Reading Power Output Meter for CB.pdf
Direction Indicator.pdf
Direction of Current Flow 1947.pdf
Disco Preamp-Mixer Errarta PE 1978-09.pdf
Disposal of Antique Electronics.pdf
Dual-switch relay control logic using LEDs.pdf
Dynamic Noise Suppressor 1947.pdf
Eavesdropping on Light 1979 (2).pdf
Eavesdropping on Light 1979.pdf
Electric Fence Safety Issues in Australia.pdf
Electrical SafetyTesting Reference Guide.pdf
Electronic Automotive Ignition Systems 1994.pdf
Electronic Music Fundamental Concepts 1989.pdf
Electronics By Experiment Part 4 Maplin 1988-09.pdf
Electrostatic Loudspeakers 1974.pdf
Elements of Residence Radio Systems 1948.pdf
Elysian Theremin With MIDI Box Part 2 EPE 1996-12.pdf
EMI Filters Guide 2016.pdf
Equalization in the Home 1978.pdf
Equalization of Sound  Reinforcement Systems 1978.pdf
Expanded Scale Voltmeter Errata- DOES NOT WORK SC 2006-11.pdf
Experimental Noise Suppressor 1948.pdf
Experimenter's Corner Errata PE 1978-12.pdf
Exploring CMOS 2 Gate Circuits.pdf
Exploring Radio 1988.pdf
Explosive Guarian Angels.pdf
Fan-Cooling For A Sony LCD TV .pdf
Feedback - Degenerative and Regenerative 1953.pdf
Ferris 174 Vintage Multi Band Radio.pdf
Filter suppresses noise and hum 2006.pdf
Five Decades of Magnetic Tape 1990.pdf
Flyback High Voltage Power Supply Theory for Television High Voltage 1947.pdf
Free Signal Generator and audio analyzer software.pdf
Frequency indicator for generating equipment.pdf
Frequency Selective  Filters for UHF and Up 1995.pdf
Fundamentals of Solid-State Part 2 Crystals And How They Conduct EA 1993-01.pdf
Generating High Current Pulses.pdf
Getting the Most Out of A Reflex Type of Speaker 1948.pdf
GE's T2105 Vintage Radio.pdf
Ground Loop Eliminator.pdf
Grundig's 1958 Taschen-Transistor-Boy 58 Vintage Rafio.pdf
Guitar Tuner.pdf
Ham Frequency Display 2002.pdf
Handbook Of Sound Reproduction - Chapter 10-2 - Loudspeakers Audio 1953-04.pdf
Handbook of Sound Reproduction Part 15-1 Power Supplies Audio 1953-12.pdf
Hands Off Touch Sensor.pdf
Haunted House Sound Effect.pdf
Heathkit W-6M Amplifier.pdf
Heinrich Hertz.pdf
Hello Who's There - History of the Telephone Part 2 Maplin 1988-09.pdf
Hi-Fi Language 1959 with Historical Ads.pdf
Hi-Fidelity Phonograph Pre-Amplifier Design 1953.pdf
HIGH  ISOLATION CURRENT  ADAPTER .pdf
High -Fidelity Volume Expander 1948.pdf
High Power Subwoofer Design.pdf
High Voltage Current Mode Styep-Down Converter with Low Power Standby Capability 2006.pdf
High-Quality Low-Voltage Audio.pdf
History of Australia's Radar Part 1 EA 1993-01.pdf
History of Flat Screen Displays Up to 1988.pdf
History of Ham Radio Part 5 73 Magazine 2001-04.pdf
Holter Monitor Testing Patient Instructions.pdf
How and Why of Hi-Fi 1959.pdf
How CD Players Work.pdf
How Does Brushless DC Motor Control Work.pdf
How To Use the Grid Dip Oscillator.pdf
Human Hearing - Distortion Audibility Part 3.pdf
Human Hearing - How We Hear and Perceive Audio Quality Part 4.pdf
Human Hearing - Phase Distortion Audibility Part 2.pdf
Human Hearing Amplitude Sensitivity Part 1.pdf
Impedance Bridge Notes SC 2008-03.pdf
Implantable Medical Devices.pdf
Improved  24-line I-O card for PCs 1996 - Required Parallel Port .pdf
Intelligent Battery Charger Errata EA 1994-03.pdf
Interfacing Electronics to People 2006.pdf
Intermodulation Distortion.pdf
Introduction To Auto Data Scanners Part 1 EA 1993-01.pdf
Introduction to low-noise amplifier design.pdf
Inverse RIAA Converter.pdf
Invisible SWL Antenna.pdf
JFET's The New Frontier Part 1, by Erno Bordely.pdf
Jogging Pacesetter.pdf
LED  Map reading light.pdf
LED Bargraph LM3914 Application Information.pdf
Level shifter-inverter for Back EMF Sensing 2016.pdf
Live Sound Reinforcement When Touring In Asia 1990.pdf
Loudspeaker Directionality 1974.pdf
Loudspeaker Quarter Wave Loading 1988.pdf
Low Cost Transistor Tester 1979.pdf
Low Current LED Flasher.pdf
Low Frequency Performance  of Loudspeakers.pdf
Low Voltage Adjustable Regulator 2008.pdf
LP 12db 20K CH.pdf
LP 12db 20K.pdf
LP 3db 20K.pdf
Macbooks with issues caused by Expanding Batteries.pdf
Mains Appliance Timer.pdf
Mains Remote Control.pdf
Making Music With MIDI Software Part 2 EA 1996-04.pdf
Marine Navigation Technology 1997.pdf
Measuring the Deepest Sea Levels.pdf
Melodious Sequencer.pdf
MERCURY VAPOUR RECTIFIER.pdf
Metronome.pdf
Micromite Single Board Computer Part 2 SC 2016-10.pdf
Micropower LED Flasher - For Firmware Search Silicon Chip Website for 1610916A.HEX.pdf
Microprocessor's single-interrupt input processes multiple external interrupts.pdf
Microwave HV Diode Tester Note EA 1995-12.pdf
MIDI Controlled Switch Part 2 - ETI 1988-12.pdf
MIDI Thru Box.pdf
Mighty-Mite Miniature Powered Loudspeaker 1996.pdf
Migrating from IOS to Android.pdf
Modulated Crystal Calibrator.pdf
Morse A Word Part 1 PE 1979-03 Some parts will be very hard to find.pdf
Mosquito Lure and Trap - Requaires a firmware dowload - Free link included.pdf
Multi Input Music Sequencer.pdf
Multimedia Powered Mini Speaker.pdf
Multiple Speaker Matching 1947.pdf
New Life for a Pierson KE-93 Part 3 73 2002-04.pdf
Note Generator.pdf
Nuclear Submarines - How They Work 1996.pdf
Nutube Strereo Tube Preamp 2020 - Requires an expensive part that may be hard to get.pdf
Op amp can source or sink current.pdf
OP-Amp Circuit Assortment.pdf
Optical Smoke Detector 2008.pdf
Organ Tone Generator.pdf
Oscillator generates nonstandard clock frequencies.pdf
Otala Low TIM Amplifier 1973.pdf
Output Transformer Design and Winding.pdf
Output Transformer Design Considerations 1953.pdf
PA Microphone Preamp 1947.pdf
Patent Drawing for First Amplifier Circuit.pdf
PC Bus Sleuth Errata EA 1996-10.pdf
PC Cooling Fan Controller Notes SC 2008-03.pdf
PC Driven Audio Sweep Analyser Part 1 EA 1996-03.pdf
PC Driven Audio Sweep Analyzer Part 2 EA 1996-04.pdf
PC-Driven DSO Adapter Mk2 Errata 1994-05-06.pdf
Permanent Magnets.pdf
Phase Audibility Phase audibility only occures whem signal is changing 1976-03.pdf
Phase Demystified - Understanding Phase Cancellation 2008-04.pdf
Phase positions and phase shifts explained easily broken down.pdf
Phase Shift and Sound Quality 1956.pdf
Phase Shifts and Sounds.pdf
Philips CRT TV Sets Part 1.zip
Phono Stylus, Cartridge and Arm 1959.pdf
Phono Trackability - 1973.pdf
PIC Programmer Improvements Notes DC 2016-09.pdf
PlaymasterPro Series 3 Amplifier Errata EA 1994-03.pdf
Power  Monitor-Distribution  Panel 1997.pdf
Power Amplifiers 1959.pdf
Power Saving Gadget That Does NOT Work 2008.pdf
Pre-Hertzian Wireless Systems Part 1 EaB 1997-12.pdf
Preamps and Compensators 1959.pdf
Precision switched capacitor DAC  Notes SC 2016-11.pdf
Precision Voltage and Current Reference 2016 - Requires code and parts that may be difficult to obtain.pdf
Precision Voltage and Current Reference With Touch Screen - For Firmware Search Silicon Chip Website for SC4073.pdf
Progammer for dsPl0s & PlCs 2006 - Software Download Required.pdf
Promoting Your Studio in the Pre-Internet Days.pdf
Proximity Detection 1988.pdf
Psuedo Random Number Generator.pdf
Pulsed Alarm.pdf
PWM-based temperature controlled fan 2016 - Requires a software download that may not be available.pdf
Quartz Crystals.pdf
Radio Designers Handbook - Ch.1 and 2 - Introduction to the radio valve.pdf
RadioDesigners Handbook - Ch.5 - Transformers.pdf
Rane Corporation Paper On Audio Specifications.pdf
RECEIVER REMOTE CONTROL 1947.pdf
Remote Controlled Light Dimmer Part 2 Maplin 1994-05.pdf
Repairing Cassette Tape Decks Part 1 EA 1996-04.pdf
Repairing Semiconductors.pdf
Replacement CDI Module for Small Gasoline Engines.pdf
Resonant R.F. Chokes 1947.pdf
RF-interference-design considerations for portable device batteries 2006.pdf
Security Electronics Part 3 Systems and Circuits EaB 1997-12.pdf
Security Hints.pdf
Semiconductors Part 8 Thyristors and Triacs PrE 1988-07.pdf
Short Detector.pdf
Shortwave Converter for your Scanner 1995.pdf
Sideband Adapter for CB Receivers.pdf
Simple Battery Saver.pdf
Simple digital filter cleans up noisy data.pdf
Simple split supply generator  2016 - Schematic goes right to left - Input is on right.pdf
Simplified Dynamic Noise Suppressor 1948.pdf
Single switch selects one of three signals.pdf
Slide Trombone.pdf
Slot Car Race Referee.pdf
Small  Loop  Design  for HF QRP 1997.pdf
Small Business Danger Signs.pdf
Smart Porch Light.pdf
Soil Moisture Meter.pdf
Sound Intensity Meter 1996.pdf
Sound Triggerred Alarm.pdf
Sound Waves and Electrons -1959.pdf
SPD221 Speaker Protector Images.zip
Speaker Systems 1959.pdf
Speaking Clock - Education Only - Some parts not available - 1988.pdf
Special Focus On Speakers 1979.pdf
Specialized Top Band DX Receiving Loop Antenna.pdf
Step Down Non-Isolated DC-DC Conversion.pdf
Stereo Cassette Recorder.pdf
Stereo Images Notes.pdf
Stereo LED Audio Level-VU Meter Errata SC 2016-06-07.pdf
Stereo Simulator.pdf
Super Capacitors.pdf
Super Marker 1979.pdf
Surface Mount Part Ic Codes.zip
SYNCHRONIZING A DRUM MACHINE TO A SYNTHESIZER.pdf
Tape Bias - A Popular View.pdf
Tape Noise Reduction - Dolby Etc 1974.pdf
Tape Recorder Maintenance - Regulators 1974.pdf
Tape Recording 1959.pdf
Tape Survey 1974.pdf
Tapless Variable Loudness Control.jpg
Telephone Call Recorder for Classic Landline Phones 1988.pdf
Telephone Turkey Caller.pdf
Telephone Voice Pickup for Classic Phones.pdf
Tesla - Inventor of Radio and Modern-Day AC.pdf
Testing High Quality Loudspeakers Part 1 1974.pdf
The  Insta-Flex  2 Meter Yagi Beam.pdf
The Californis Phased Array 20 Metre Antenna 1997.pdf
THE EVOLUTION OF MULTI-CHANNEL AUDIO FQUIPMENT 1974.pdf
The Internet of Things 2016.pdf
The Loudsoeaker-Living Room System.pdf
The Makings of a Sound Engineer.pdf
The trials and tribulations of the novice kit builder 1974.pdf
The What Notes EA 1992-11 .pdf
The Why and How of Horn Loudspeakers.pdf
Thermal considerations matter for Class D Amplifiers.pdf
Thermal Latch.pdf
Thermostatic Bath.pdf
Three -Way Speaker System 1948.pdf
Three Element Bass Control Errata Audio 1953-10.pdf
Time and Measurement Part 2 PrE 1988-07.pdf
Titanic Radio Operators Story.pdf
To Phase or Not to Phase.pdf
Touchscreem Appliance Energy Meter Errata SC 2016-08-10.pdf
Touchscreen Appliance Energy Meter Part 3 SC 2016-10 - Firmware at Silicon Chip Websire Item SC3539.pdf
Transformer Hysteresis Loop Plotter.pdf
Transistor Tester.pdf
Transmission Line Tune Up Meter.pdf
Trouble Shooting Issues with 1950s Hi-Fi Gear.pdf
Tuned Audio Frequency Filters 1947.pdf
Tuner Specifications 1978.pdf
Tuners and Receivers 1959.pdf
Turntables and Changers 1959.pdf
TV-VCR Tuner Applications Part 1 of 3 73 1997-04.pdf
Two -Way Speaker System 1947.pdf
Two Way Speakers From Commercial Components 1948.pdf
Ultrasomic Distance Sensor - For Educational Purposes Only - Component may be difficult to obtain.pdf
Ultrasonic Anti-Fouling Circuit Errata SC 2016-09.pdf
Understand Metal Detectors 1988 - Needs an IC that may be hard to find.pdf
Understanding Audio Phase _ Universal Audio.pdf
Using the PIC 16C84 Part 2 EA 1996-04.pdf
Valve Technology.mht
Variable Colour Christmas Lights.pdf
Vented Loudspeaker Enclosures 1948.pdf
Versatile Phono Preamplifier 1949.pdf
Vibration Reduction in Loudspeaker Enclosures 1953.pdf
Vintage Moving Coil Loudspeakers.pdf
Vintage Radio - Alternative Detectors.pdf
Vintage Radio Errata SC 2016-09.pdf
Vintage Receiver with Metal Valves STC Model 68.pdf
VK Powermaster 13.8VDC 15-25 Amp Power Supply.pdf
Vocals Eliminator 1988.pdf
Voltage Regulation Quiz.pdf
Volume Control With Loudness and No Taps.mht
Wah-Volume Pedal.pdf
Walkaround Throttle Errata SC 1995-05.pdf
What Is Feedback.pdf
What is RMS.pdf
What Price Loudspeaker Response Curves 1974.pdf
What SWR Means to You.pdf
Whistler.pdf
Who Invented Radar.pdf
Why can we hear phase distortion.pdf
Winding Your Own Output Transformers.pdf
Wire Wrap Breadboarding.pdf
Wireless-World-1976-11.pdf
Wkat's Watts - Audio Power.pdf
Wnen I Think Back - PA Systems Part 1 EA 1993-01.pdf
Your Complete Audio System in 1959.pdf