10GHz Gunn Oscillator Cavity.pdf 12V Powered Lap-Top Conputer Power Supply.pdf 12V to ñ24V switched capacitor power supply.pdf 160W-Ch Class D Power Amplifier.pdf 20W Simple Switcher Forward Converter.pdf 23 Foot Indoor Antenna for 20 & 80 Meters.pdf 25 Years of Semiconductors Part 2 PrE 1973-08.pdf 25W Stereo Booster Errata EA 1979-01.pdf 550V Megohmmeter.pdf 7400 Siren.pdf 9kHz Whstle Filter for AM Tuners.pdf A Two Wire Isolated and Powered 10-BitData Acquisition System.pdf Air Quality Monitor - Some parts may be difficult to find.pdf Arrange LEDs as 7 Segment Displays.pdf Assorted Battery Chargers and Zappers.pdf Assorted Circuits in Spanish.pdf Assorted Fixed Voltage Power Supplies.pdf Assorted Music Related Circuits.pdf Audio Compressor.pdf Audio Toolkit.pdf Austereo 3W per Channel Power Amplifier.pdf Austereo Amplifier Power Supply.pdf Austereo Disc and Control Preamplifiers.pdf Auto Service Meter.pdf Auto-Zeroing A-D Offset Voltage.pdf Autodrum.pdf Automatic Reset fot TTL Circuits.pdf AUTOMATIC SWITCHING OF TAPE RECORDERS.pdf Basic Building Blocks - Multivibrators.pdf Basic Introduction to Filters.pdf Battery Zapper Warning - Do not use with battery connected to vehicle SC 2010-06.pdf Battle Chess Game from 1973.pdf BCD Tone Generator.pdf Be Your Own Custom Builder.pdf Bell 2145-A Amplifier.pdf Bendix 847S Facto Meter Field Test Receiver.pdf Beware of Engineers Bearing Enhancements.pdf British Radio Designs from 1948.pdf Brunetti Wrist Watch Transmitter.pdf Build a Tone Processor for Amater Radio.pdf Carbon Based Failures.pdf Center Speaker Signal Source.pdf Characterization of the Power-DIP Package.pdf Circuit adds foldback-current protection.pdf Circuit Design From Scratch Part 3 EPROM tester ME 1985-04.pdf CMOS FSK Modulator Errata EK Summer 1978.pdf Coil-less Synchrodyne Receiver for MW-AM and LW.pdf Compander ETI 1429.pdf Comparative Study of Computer Languages Part 9 EFY 1986-03.pdf Complex Data Acquisition System Uses Few Components.pdf Computer Evolution Analogue Computer Circuits.pdf Continuously variable turnover preamplifier Errata AU 1951-01.pdf Control Centre for Amateurs Errata EA 1972-08.pdf Conventional Piano vs Electronic Piano.pdf Crossover Networks Part 1 EFY 1986-03.pdf Crown 7TV-1 AC-DC Portable TV.pdf Crown 7TV-2 AC-DC portable TV.pdf Crystal Oven Heater.pdf Cuff-Links.pdf Databus Buffer Errata EK 1978-10.pdf Delf Biaded Micropower Bufferred Reference & Megaohm Input Impedance Difference Amplifier.pdf Desert Equipment Coolong System Requires No Power.pdf Design and Construction of Horn-Type Loudspeakers.pdf Design considerationsfor RS-232 Interfaces.pdf Designing with Logic Part 01 ETT 1990-02.pdf DESIGNING WITH THERMAL IMPEDANCE.pdf Digital Audio Oscillator Notes SC 2009-02.pdf Digital Audio Signal Generator Errata SC 2010-03-05.pdf Digital Insulation Tester (Requires firmware download that may not be available).pdf Digital Reverb Errata EK 1978-05.pdf Digitally Controlled Graphic Equalizer.pdf Diode Amplifier with 10 Gigohms Input Impedance.pdf Diode Basics.pdf Disco Drums.pdf Do Nothing Box.pdf Driveway Sentry Coil Notes SC 2010-03.pdf Dynamic Specifications for Sampling D-A Converters.pdf EHT Probe Notes SC 2010-04.pdf EHT Probe Safety Note SC2010-04.pdf Electricity Basics - Super Basics.pdf Electrolytic Capacitor Tester.pdf Electronic Fog Horn ETI 261.pdf Electronic Spirograph.pdf Electronic Steam Whistle.pdf Electronic Switch.pdf Electronics by Experement Part 3 MA 1988-06.pdf Elektor Decoder.pdf EMC Test Issues.pdf Estimating Noise in Op Amp Stages Errata EA 1987-04.pdf Extending the Elektor Piano from 1978-09.pdf FET Audio Amplifier Errata EK Summer 1978.pdf Field Effect transistors Part 2 PRE 1967-06.pdf Float Charger for NiMH Cells.pdf Floating Input Extends Regulator Capabilities.pdf Flood Alarm.pdf FM Commercial Eliminator for Fringe Areas.pdf Four Input Exclusive OR Gate.pdf Fuzz Box (2).pdf Fuzz Box.pdf Generate swept sine-cosine waveforms with two filters.pdf Generating Square Waves with Tunnel Diodes and Cores.pdf German Traffic News Service Tuning Indicator [May be obsolete].pdf Gigaohm Decade Resistance Box.pdf Guitar Note Extender - Sustain ETI 1425.pdf HANDLING AND MOUNTING ICs IN PLASTIC POWER PACKAGES.pdf Headphone Distribution Box.pdf Hee-Haw Siren.pdf Hex Level Shift Shrinks Board Space.pdf Hi-Fi 35W Amplifier.pdf High Performance Train Controller Ettata EA 1978-10.pdf Hoe to use magnetic pickups.pdf Home Study Course in Electronics Part 18 EA 1972-10 Test Equipment.pdf How Good Is An Audio Transformer.pdf How Telephones were Invented.pdf How to Build An Effective 160 Meter Antenna on a Small Residential Lot.pdf Improved Cathode Bias Circuit Affording Fixed Bias.pdf Increasing the Torque of Bipolar Stepper Motors.pdf Induction Heating and Radio Diathermy Machines.pdf Insulation Meter Notes SC 2009-10.pdf Interfacing Triac Dimmers with LEDs.pdf Isolated Flyback Regulator with 3 Outputs.pdf Isolated Power Supplies for Local Area Networks.pdf Issues with cleaning electronic products.pdf Junior Demon 5W TRansmitter.pdf Lamp Flasher ETI 260.pdf Lamp Flasher.pdf Linear Scale Frequency Meter PCB ETI 150.pdf LM3524-5 Power Supply with Isolated Feedback.pdf LM723 Derived power supply Errata ETI 1972-11.pdf Logic gates form high-impedance voltmeter.pdf Low Cost 500mA Power Supply for Experimenters.pdf Low Cost EPROM Eraser.pdf Low Distortion Oscillator Notes EA 1986-12 1987-01.pdf Master Tone Generator Errata EK 1978-09.pdf Maximum Power Varies with Mains Voltage.pdf Measure resistance and temperature with a Sound Card.pdf Microwaves for the Radio Amateur Part 6 EA 1972-10.pdf Midland 15-114 portable TV.pdf Midland 15-214 color TV.pdf Midland15-009 AC-DC Portable TV.pdf Mini Metronome.pdf Miniature FM Transmitter ETI 751.pdf Model Control Part 1 PRE 1967-06.pdf Model Train Signaller.pdf Modify a CB VSWR Meter for Ham Use.pdf Most Dynamic Speaker.jpg Most Needed Circuits 1948-04.pdf Mostronome - Metronome with a whistle.pdf Movie Mixer Errata EA 1978-09.pdf Multistage Timer.pdf N-Cd Battery Issues.pdf New 12-Bit Data Acquisition Systems Communicate with Microprocessors Over 4 Wires.pdf No Loss Capacitor.pdf Noise Generator.pdf Notes on reading Elektor schematics.pdf O'Brien's Article Errata AU 1951-11.pdf Olympic CT-400 color TV.pdf Op-Amp Circuit Rear End for critical DC circuits.pdf Op-Amp Power Supply ñ12V 1A ETI 251.pdf Op-Amps in Instrrumentation.pdf Opto Coupled Mains Synced Pulse Generator.pdf Overmodulation Monitor.pdf Overvioltage Cutout.pdf Panasonic AN72, 72C, 77V TV.pdf Panasonic CT-93P Color TV (Matsushita Made).pdf Panasonic TR-110 TV.pdf Panasonic TR-329B AC-DC portable TV.pdf PCB FIle Corrections from EA 1987-08.pdf Penncrest 1314 Portable TV (Matsushita Made).pdf Penncrest 1314B-89 Portable TV (Matsushita made).pdf Penncrest 1318-48 portable TV (Matsushita made).pdf Penncrest 2881 color TV (Matsushita made).pdf Penncrest 2884 color TV - (Toshiba made).pdf Penncrest 2893 Color TV (Matsushita made).pdf Penncrest 3110 Cassette Recorder with AM Radio.pdf Penncrest 3240 Cassette Recorder with AM-FM Radio.pdf Penncrest 6111-6111A Tape Recorder.pdf Penncrest 6112 Tape Recorder.pdf Penncrest 6521 Cartridge Stereo Tape Player made by Matsushita.pdf Performance Electronics For Card - Digital Fuel Adjuster Notes SC 2009-12.pdf Philco Ford TRC20 Tape Recorder.pdf Philco-Ford TRC-31 TRC-36 Tape Recorder.pdf Photoelectronic Annunciator.pdf Photoflash Slave Unit Notes PrE 1967-03.pdf Pickup Tracking Error.pdf Playmaster 135 PA Amplifier Errata EA 1972-09.pdf Playmaster 60-60 Amplifier Notes from EA.pdf Power Fail Detector.pdf Power MOSFETs in QRP.pdf Power Transformer Design Program in BASIC.pdf PrE Sound Synthesizer 7 Reverberation, Ring Modulator, Peak Level Meter Circuits PrE 1973-08.pdf Produce current from positive or negative high-voltage supplies.pdf Professional Ethics.pdf Programmable current source.pdf Programmable Divider.pdf Programmable Frequency Audio Generator Update 73 1993-01.pdf Programming Pulse Generators for Flash Memories.pdf Programming the LM628-LM629 Motion Control Processors.pdf Proposed 7 segment Alphabet.pdf Protection for Bi-FET Amplifiers and Switches.pdf Pulse Multiplier.pdf Pulse Width Modulator with Digital Control.pdf PVC Cubicle Quad For 10 Metres.pdf Quarter Wave Loading of Speaker Cabinets for Improved Bass.pdf Quick 741 and 555 Tester.pdf Radiation Counter Errata PrE 1967-03.pdf Ramp Generator.pdf RCA YYS510 YZS505 510 Series Tape Recorder.pdf RCA YZB515 Tape Recprder.pdf RCA YZD593 Stereo Tape Player.pdf RCAYZB Tape Recorder.pdf Renewing Cabinets.pdf RESISTABCE TO SOLDERING HEAT AND THERMAL CHARACTERISTICS OF PLASTIC SMDs.pdf RF Noise Generator.pdf Ring the Bell and Win a prize Game Errata EK 1978-11.pdf RS232 Transmitter with Automatic Shutdown COntrol.pdf Rules from 1952 that are mostly still valid today.pdf Safe-T-Plug Errata EA 1972-09.pdf Safeguard Your Bank Account.pdf Selective Amplifier.pdf Sequential Timer.pdf SERIES OPERATION OF FAST RECTIFIERS.pdf Simple 6 metre to 2 metre Transverter.pdf Simple Curve Tracer.pdf Simple Diode Tester.pdf Simple Egg Timer ETI 263.pdf Simple Fibre-Optic Link.pdf Simple Intercom ETI 262.pdf Simple Intercom.pdf Simple Moisture Alarm.pdf Simple reverse-polarity-protection circuit has no voltage drop.pdf Simple Sitar Errata PRE 1967-03.pdf Simplex XL Theater Amplifier.pdf Single Amplifier, Precision High Voltage Instrument Amp.pdf Single Supply RS232 Interface for Bipolar A to D Converters.pdf Slide Trombone (3083 IC may be hard to find).pdf Slot Antenna.pdf Solar Battery Charger.pdf Solar Powered Reflex Receiver PCB ETI 270 & Electronic Tuning Fork ETI 606.pdf Solar-Powered Lighting System Part 2 SC 2010-06.pdf Specifications and Architectures of Sample-and-Hold Amplifiers.pdf Split Supply From One Winding WHen heavy negative currect is not requires.pdf Stable Regenerative Receiver.pdf Stereo Bargraph and VU Meters.pdf Stereo Digital-to-Analog Converter Errata SC 2009-09-11.pdf Stereo Enhancer ETI 1405.pdf Stereo Speaker Protector.pdf Sunrise Alarm.pdf Super Bright LEDs.pdf Super Metal Detector ETI 1500 Errata.pdf Switched Capacitor Low Pass Filters for-Anti-ALiasing Applications.pdf Switching Voltage Regulators using the LM78S40.pdf Tag Game Errata EK 1978-11.pdf Techno Whizzy 1 Errata 73 1992-12.pdf Temperature Indicator.pdf Test Bench Tips.pdf The Electronic Organ Part 7 PRE 1967-06.pdf The Evolution of Car Stereo.pdf The LM34-LM35 Temperature Sensor Applications.pdf The Wein Bridge Oscillator.pdf THERMAL CHARACTERISTICS OF THE MULTIWATT PACKAGE.pdf THERMAL CHARACTERISTICS OF THE PENTAWATT-HEPTAWATT PACKAGES.pdf THERMAL MANAGEMENT IN SURFACE MOUNTING.pdf Thermocouples Without Tears Part 1 EA 1987-09.pdf Thermometer with diode sensor.pdf TO220AB - TOP 3 - TOPLESS THERMAL RESISTANCE AND MECHANICAL ASSEMBLY.pdf Tone Burst Generator.pdf Tone Control Adventure 1948.pdf Toth Article Errata AU 1951-02.pdf Transistor Protection by Transil.pdf Transistorized Band Pass Filter.pdf Troublesome Flourescent Lights.pdf Trougleshooting VCR Tape Loading Problems.pdf TTL Interference rejector.pdf TUPTUNDUGDUS in Elektor schematic diagrams.pdf Two Stage Amplifier and RF Probe.pdf Unbalanced Microphone Preamplifier using Compound Pair.pdf Understanding CRT Monitor Operation.pdf Understanding SenseFETs.pdf Use a self-powered op amp to create a low leakage rectifier.pdf Use reinforced Isolation for effective data couplers.pdf Use resistor noise to characterize a low moise amplifier.pdf Using a Calculator as a Stop Watch.pdf Using an H-Bridge Driver Array.pdf Using Current Feedback Amplifiers.pdf Using the NE-602 Double Balanced Mixer in Amateur Radio Circuits.pdf Vertical Deflection Circuits for CRT TVs and Monitors.pdf VHF and Above Operation - Mixers and Other Small Case Devices.pdf Vintage Radio - Automatic Gain Control - whai is it and why is it necessary Part 2 SC 2010-06.pdf VOM Photo Light Meter.pdf Walkman Amplifier.pdf Watchdog circuit protects against loss of battery charger's control signals.pdf Watt Watcher.pdf What to do with unused terminals of Analog ICs.pdf Whistle Filter Notes EA.pdf Wide Range VCO.pdf Wide Range Voltage Controlled Oscillator.pdf Wollensak 4000 Cordless Cassette Recorder.pdf Zero Threshold Voltage Diode.pdf ñ0-19V 1.6A Dual Tracking Power Supply.pdf