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Index to Volume 2: Jan-Dec. 1989 Features 01 /89 01 /89 01 /89 01 /89 01 /89 02 /89 02 /89 02/89 03/89 04/89 05/89 05/89 06/89 07 /89 07 /89 08/89 08/89 09/89 09/89 10/89 10/89 11 /89 12/89 4 The Goalkeeper Gatling Gun 6 How To Service Car Cassette Players 18 Marantz LD50 OMS Loudspeakers 40 The Technology Letters , Pt.2 78 Kit Clinic & The UHF Remote Switch 4 Lightning & Electronic Appliances 26 Cutec Z-2000 Stereo Power Amplifier 82 The Technology Letters , Pt.3 84 the Technology Letters, Pt.4 56 Fluke's New 80 Series Multimeters 16 The /PC NEAT/ 40E Computer 76 The Technology Letters, Pt.5 57 Sangean ATS-803A Shortwave Receiver 6 A Day In The Life Of A Computer 10 The Facts On The PhaxSwitch 34 Amcron PSL-2 Preamplifier & PS-400 Stereo Power Amplifier 96 Metrix MX52 5000-Count Multimeter 16 Scopeman Video Microscope 88 The Technology Letters, Pt.6 16 Making Your Electric Radiator Safe 98 The Technology Letters , Pt. 7 90 Simple Program For Resistor Calculations 9 Install A Clock Card In Your Computer Electric Railways 01 /89 02/89 03/89 04/89 05/89 06/89 118 80 Massive Diesel Electrics In The USA 74 The Search For Cost Efficiency 88 NSW XPT Express Passenger Trains 82 The Story Of Amtrak Passenger Services 84 The Burlington Northern Railroad 80 Amtrak's Monster vs. A Swiss Thoroughbred SILICON CHIP 07/89 82 The NSW 86 Class Electrics 08/89 102 The Benefits Of Modern 3-Phase Electric Locos 09/89 102 Swiss Tunnels & Racks 10/89 104 A Look At Australian Monorails 11 /89 92 Pilbara Iron Ore Railways (1) 12/89 82 Pilbara Iron Ore Railways (2) Design & Theory 02/89 03/89 06/89 08/89 12/89 28 Using Comparators To Detect & Measure 42 The NE572 Compandor Chip 4 Understanding Oscilloscope Probes 14 An Introduction To Stepper Motors 112 The LM831 Low Voltage Audio Power Amplifier Vintage Radio 01 /89 1 4 Trou bleshooting The Transformers 02/89 10 Restoring Plastic & Bakelite Cabinets 03/89 16 Timber Cabinets Are A Lot Of Work 04/89 18 Advice To The Budding Collector 05/89 12 How To Date Old Valve Radios 06/89 16 Collecting & Restoring Horn Speakers 07 /89 28 Old Henry - One Of My Favourites 08/89 18 Rebuilding A Vintage Radio Receiver 09/89 12 Valve Portables - Hard On Batteries 10/89 10 Collectables & Non Collectables 11/89 8 The Humble 4-Valve Receiver 12/89 8 Scrounging Bits & Pieces Electronics For Everyone 03/89 04/89 4 What You Need To Know About Resistors 4 What You Need To Know About Capacitors 05/89 4 All About Electrolytic Capacitors 09/89 6 Potentiometers & Trimpots 11/89 76 What You Need To Know About Switches The Way I See It 01 /89 62 Feeling Crook? You May Need An Electron Transfer! 02/89 66 Jump Start Your New Car & Blow Up The Electronics 03/89 74 "Spycatcher": Do Wright's Electronics Bear Scrutiny? 04/89 62 What's Happened To High Definition Television 05/89 44 Are Spikes On The Mains A Hazard To Personal Computers 06/89 24 Back To The Stone Age: Down With Audio, Radio & AC Mains 07/89 78 Police Radar: Where It Works & Where It Doesn't 08/89 90 HDTV: Don't Hold Your Breath 09/89 93 HDTV: Lots Of Problems At The Transmission End 10/89 86 Today They're Tagging Animals; Tomorrow It Might Be Humans! 11/89 86 Electronic Identification: A Boon Or A Catastrophe 12/89 98 Broadcast Television: An Industry That's Not Sure Where It's Going! TETIA TV Tips 01/89 57 Hitachi CEP288 02/89 58 National CP2000 03/89 61 AWA-Thorn N Chassis; GEC 2213-A; Sanyo CTP5601 04/89 75 Philips K9A 05/89- 37 Philips KT2A-3 06/89 38 Kriesler 59-03 07 /89 55 Hitachi PA3-A Chassis 08/89 62 Philips K9 09/89 43 Sanyo CTP6631 (80P Chassis) 10/89 53 Sony KV1300AS; AWA-Thorn VCR ATV4 11 /89 49 National TC2202 (M8 Chassis) 12/89 39 AWA C6319 (Q Chassis); Alpine AL51 Cassette Deck Projects To Build 01 /89 26 Ultrasonic Proximity Detector For Cars 01 /89 32 A Line Filter For Your Computer 01 /8 9 44 120W PA Amplifier , Pt.2 01 /89 68 Simple Computer Sound Repeater 02/89 20 Transistor Beta Tester 02/89 37 Minstrel 2-30 Loudspeaker System 02/89 52 LED Flasher For Model Railways 03/8 9 26 Stereo Compressor For CD Players 03/89 34 LED Message Board, Pt. 1 03/89 44 32-Band Equaliser, Pt.1 03/89 64 Map Reader For Trip Calculations 04/89 22 Telephone Bell/Monitor Transmitter 04/89 30 Flasher Circuit For Auxiliary Brake Lights 04/89 36 LED Message Board, Pt.2 04/89 46 32-Band Equaliser, Pt.2 Serviceman's Log 01 /89 02 /8 9 03/89 04/89 54 58 56 70 05/89 32 06/89 34 07/89 52 08/89 62 09/89 40 10/89 50 11/89 48 12/89 34 Copping It Right In The Neck A Sharp In Pye Clothing The Line Of Most Resistance When VCR Means Very Crook Recorder Brand What? Never Heard Of It! Look Before You Leap You Need A Pal To Deal With PAL Toss Yer - Triple Or Quits It's A Long Way To Trip A " Rarery" "Bar Humbug" - As Scrooge Would Say You've Got To Be Sharp In This Game Knowing When To Draw A Line Computer Bits 07/89 70 A Look At Video Monitors 08/89 82 Display Adapters - From Monochrome To Thunderdome 09/89 75 A Guide To Hard Disc Drives 10/89 76 Installing A Hard Disc In The P~ 11 /89 68 Floppy Disc Drives: Formats & Options 12/89 70 Adding RAM To Your Computer Remote Control 4 The Beginnings Of Remote Control 11 /89 40 Modern Radio Control Systems 12/89 112 Operating An R/C Transmitter 10/89 Circuit Notebook 01 /89 01/89 01 /89 02/89 02/89 38 38 39 44 45 Pulse Charger For Dry Cells 200-250mA DC Electronic Fuse RS232 to RS422 Adaptor Simple Binary Encoded Keypad Crystal Oscillator Using A CMOS 555 05/89 05/89 05/89 05/89 06/89 20 38 48 62 10 06/89 06/89 06/89 07 /89 07/89 48 60 70 14 32 07/89 42 07/89 58 08/89 6 08/89 26 08/89 08/89 09/89 09/89 09/89 48 76 20 27 52 A Synthesised Tom-Tom Biofeedback Monitor For PCs Electronic Pools/Lotto Selector LED Message Board, Pt.3 Passive Loop Antenna For AM Radios Build The Touch-Lamp Dimmer Universal Temperature Controller LED Message Board, Pt.4 Exhaust Gas Monitor For Cars Extension For The Touch-Lamp Dimmer Experimental Mains Hum Sniffers Compact Ultrasonic Car Burglar Alarm Build An AT Tower Computer Studio Series 20-Band Stereo Equaliser, Pt. 1 Build The Garbage Reminder Low-Capacitance Scope Probe 2-Chip Portable AM Stereo Radio Alarm-Triggered Telephone Dialler High Or Low Level Fluid Detector 02/89 45 Alternative Override For Car Safety Light 03/89 32 Photo-Interrupter For Digital Counter 03/89 32 Schmitt Trigger Using Discrete Transistors 03/89 33 Wide Bandwidth Video Amplifier 03/89 33 High Impedance 1-Watt Amplifier 04/89 80 Keyboard Sound Improver 04/89 81 Keypad Alarm For Car Security 04/89 81 Relay Output For Door Minder 05/89 26 Leading Zero Blanking For Digital Speedos 05/89 27 Thermostat For Cooling Fans 05/89 27 Bit Saver For Soldering Irons 06/89 32 Power Supply For Walkman Radios 06/89 32 X-Y Light Source Plotter 07 /89 22 Tone Decoder Input Control Circuit 07 /89 22 Using Centre-Zero Meters In Power Supplies 07 /89 23 Low Cost Locker Alarm 08/89 46 Channel Switch For DSE UHF Converter 08/89 46 Flasher Unit For Cars 08/89 47 Fuse-Fail Alarm For Cars 08/89 47 Car Battery Voltage Monitor 09/89 58 Sawtooth/Triangle Waveform Generator 09/89 58 Digitally Controlled Stereo Volume Control 10/89 7 4 Siren & Flash Generator For Toy Cars 10/89 7 4 Balanced Outputs From A Single Supply 10/89 75 Timer For Motor Driven Cameras 11 /89 61 Walkman Car Stereo Amplifier 11/89 62 Traffic Light System For Model Railways 11/89 62 4-Channel Mixer With Effects Send 12/89 21 High Current Intelligent Charger ,12/89 21 Exhaust Temperature Alarm For Boats 12/89 22 Self Cycle Bilge Pump Control 12/89 22 El Cheapo Buffer Amplifier 09/89 60 Studio Series 20-Band Stereo Equaliser, Pt.2 09/89 80 Offset Nulling Circuit For Power Amplifiers 10/89 20 FM Radio Intercom For Motorbikes 10/89 32 The Gladesville GaAsFet Amplifier 10/89 40 1-Megabyte Printer Buffer 10/89 58 2-Chip Portable AM Stereo Radio, Pt.1 11 /89 4 Build A low-Cost Analog Multimeter 11/89 14 Super Sensitive FM Bug 11 /89 18 The Radfax Decoder 11 /89 32 2-Chip Portable AM Stereo Radio, Pt.2 11 /89 64 FM Radio Intercom For Motorbikes 12/89 24 Digital Voice Recorder Board 12/89 46 Easy To Build UHF Remote Switch 12/89 74 Balanced Input/Output Stages For The Studio Series Equalisers 12/89 23 Stereo FM Microphone Transmitter Amateur Radio 01 /89 71 Relative Signal Strength Indicator 02/89 50 Build A Simple VHF FM Monitor Receiver, Pt.1 03/89 68 Build A Simple VHF FM Monitor Receiver, Pt. 2 04/89 42 The Dick Smith Satellite Receiver 05/89 69 Simple Stub Filter For TV Interference 06/89 66 Coherent CW - A New Low Power Transmission Technique 07/89 66 Intelligent Charger For 1 2V Gel Batteries 08/89 66 GaAsFet Preamplifier For The 2-Metre Band 09/89 72 Simple DTMF Encoder For Custom Control Circuits 10/89 84 SWR - Just How Important Is It? 11 /89 46 Two-Tone Test Oscillator For SSS Transmitters 12/89 92 Simple HF Receiver For The 40-Metre Band Notes & Errata 01 /89 02/89 03/89 03/89 04/89 05/89 94 94 95 95 94 94 06/89 94 09/89 111 09/89 111 09/89 111 10/89 111 10/89 111 10/89 111 10/89 111 Poor Man's Plasma Display Fish Bite Detector Hands-Free Speakerphone Ultrasonic Proximity Detector 1 20W Public Address Amplifier Stereo Compressor For CD Players Pools/Lotto Selector Studio 200 Stereo Control Unit Narrowband VHF FM Receiver Extension For The Touch Lamp Dimmer Touch Lamp Dimmer Studio Series 32-Band Octave Equaliser Ultrasonic Car Burglar Alarm Garbage Reminder DECEMBER 1989 119