Silicon ChipIndex to Volume 1: Jan-Dec 1988 - December 1988 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: End of volume one; start of volume two
  4. Feature: Electronics & Holden's V6 Engine by Leo Simpson
  5. Vintage Radio: Restoring the dial mechanism by John Hill
  6. Review: Harman Kardon PM665Vxi Amplifier by Leo Simpson
  7. Project: 120 Watt Public Address Amplifier by Leo Simpson & Bob Flynn
  8. Project: Simple Car Antenna Amplifier by John Clarke & Greg Swain
  9. Feature: The Way I See It by Neville Williams
  10. Project: Build a Diesel Sound Generator by John Clarke & Greg Swain
  11. Serviceman's Log: The customer has no idea by The Original TV Serviceman
  12. Feature: Amateur Radio by Garry Cratt, VK2YBX
  13. Feature: The Evolution of Electric Railways by Bryan Maher
  14. Subscriptions
  15. Back Issues
  16. Feature: Index to Volume 1: Jan-Dec 1988
  17. Market Centre
  18. Advertising Index
  19. Outer Back Cover

This is only a preview of the December 1988 issue of Silicon Chip.

You can view 44 of the 96 pages in the full issue, including the advertisments.

For full access, purchase the issue for $10.00 or subscribe for access to the latest issues.

Articles in this series:
  • 120 Watt Public Address Amplifier (December 1988)
  • 120 Watt Public Address Amplifier (December 1988)
  • 120 Watt Public Address Amplifier, Pt.2 (January 1989)
  • 120 Watt Public Address Amplifier, Pt.2 (January 1989)
Articles in this series:
  • The Way I See It (November 1987)
  • The Way I See It (November 1987)
  • The Way I See It (December 1987)
  • The Way I See It (December 1987)
  • The Way I See It (January 1988)
  • The Way I See It (January 1988)
  • The Way I See It (February 1988)
  • The Way I See It (February 1988)
  • The Way I See It (March 1988)
  • The Way I See It (March 1988)
  • The Way I See It (April 1988)
  • The Way I See It (April 1988)
  • The Way I See It (May 1988)
  • The Way I See It (May 1988)
  • The Way I See It (June 1988)
  • The Way I See It (June 1988)
  • The Way I See it (July 1988)
  • The Way I See it (July 1988)
  • The Way I See It (August 1988)
  • The Way I See It (August 1988)
  • The Way I See It (September 1988)
  • The Way I See It (September 1988)
  • The Way I See It (October 1988)
  • The Way I See It (October 1988)
  • The Way I See It (November 1988)
  • The Way I See It (November 1988)
  • The Way I See It (December 1988)
  • The Way I See It (December 1988)
  • The Way I See It (January 1989)
  • The Way I See It (January 1989)
  • The Way I See It (February 1989)
  • The Way I See It (February 1989)
  • The Way I See It (March 1989)
  • The Way I See It (March 1989)
  • The Way I See It (April 1989)
  • The Way I See It (April 1989)
  • The Way I See It (May 1989)
  • The Way I See It (May 1989)
  • The Way I See It (June 1989)
  • The Way I See It (June 1989)
  • The Way I See It (July 1989)
  • The Way I See It (July 1989)
  • The Way I See It (August 1989)
  • The Way I See It (August 1989)
  • The Way I See It (September 1989)
  • The Way I See It (September 1989)
  • The Way I See It (October 1989)
  • The Way I See It (October 1989)
  • The Way I See It (November 1989)
  • The Way I See It (November 1989)
  • The Way I See It (December 1989)
  • The Way I See It (December 1989)
Articles in this series:
  • Amateur Radio (November 1987)
  • Amateur Radio (November 1987)
  • Amateur Radio (December 1987)
  • Amateur Radio (December 1987)
  • Amateur Radio (February 1988)
  • Amateur Radio (February 1988)
  • Amateur Radio (March 1988)
  • Amateur Radio (March 1988)
  • Amateur Radio (April 1988)
  • Amateur Radio (April 1988)
  • Amateur Radio (May 1988)
  • Amateur Radio (May 1988)
  • Amateur Radio (June 1988)
  • Amateur Radio (June 1988)
  • Amateur Radio (July 1988)
  • Amateur Radio (July 1988)
  • Amateur Radio (August 1988)
  • Amateur Radio (August 1988)
  • Amateur Radio (September 1988)
  • Amateur Radio (September 1988)
  • Amateur Radio (October 1988)
  • Amateur Radio (October 1988)
  • Amateur Radio (November 1988)
  • Amateur Radio (November 1988)
  • Amateur Radio (December 1988)
  • Amateur Radio (December 1988)
  • Amateur Radio (January 1989)
  • Amateur Radio (January 1989)
  • Amateur Radio (April 1989)
  • Amateur Radio (April 1989)
  • Amateur Radio (May 1989)
  • Amateur Radio (May 1989)
  • Amateur Radio (June 1989)
  • Amateur Radio (June 1989)
  • Amateur Radio (July 1989)
  • Amateur Radio (July 1989)
  • Amateur Radio (August 1989)
  • Amateur Radio (August 1989)
  • Amateur Radio (September 1989)
  • Amateur Radio (September 1989)
  • Amateur Radio (October 1989)
  • Amateur Radio (October 1989)
  • Amateur Radio (November 1989)
  • Amateur Radio (November 1989)
  • Amateur Radio (December 1989)
  • Amateur Radio (December 1989)
  • Amateur Radio (February 1990)
  • Amateur Radio (February 1990)
  • Amateur Radio (March 1990)
  • Amateur Radio (March 1990)
  • Amateur Radio (April 1990)
  • Amateur Radio (April 1990)
  • Amateur Radio (May 1990)
  • Amateur Radio (May 1990)
  • Amateur Radio (June 1990)
  • Amateur Radio (June 1990)
  • Amateur Radio (July 1990)
  • Amateur Radio (July 1990)
  • The "Tube" vs. The Microchip (August 1990)
  • The "Tube" vs. The Microchip (August 1990)
  • Amateur Radio (September 1990)
  • Amateur Radio (September 1990)
  • Amateur Radio (October 1990)
  • Amateur Radio (October 1990)
  • Amateur Radio (November 1990)
  • Amateur Radio (November 1990)
  • Amateur Radio (December 1990)
  • Amateur Radio (December 1990)
  • Amateur Radio (January 1991)
  • Amateur Radio (January 1991)
  • Amateur Radio (February 1991)
  • Amateur Radio (February 1991)
  • Amateur Radio (March 1991)
  • Amateur Radio (March 1991)
  • Amateur Radio (April 1991)
  • Amateur Radio (April 1991)
  • Amateur Radio (May 1991)
  • Amateur Radio (May 1991)
  • Amateur Radio (June 1991)
  • Amateur Radio (June 1991)
  • Amateur Radio (July 1991)
  • Amateur Radio (July 1991)
  • Amateur Radio (August 1991)
  • Amateur Radio (August 1991)
  • Amateur Radio (September 1991)
  • Amateur Radio (September 1991)
  • Amateur Radio (October 1991)
  • Amateur Radio (October 1991)
  • Amateur Radio (November 1991)
  • Amateur Radio (November 1991)
  • Amateur Radio (January 1992)
  • Amateur Radio (January 1992)
  • Amateur Radio (February 1992)
  • Amateur Radio (February 1992)
  • Amateur Radio (March 1992)
  • Amateur Radio (March 1992)
  • Amateur Radio (July 1992)
  • Amateur Radio (July 1992)
  • Amateur Radio (August 1992)
  • Amateur Radio (August 1992)
  • Amateur Radio (September 1992)
  • Amateur Radio (September 1992)
  • Amateur Radio (October 1992)
  • Amateur Radio (October 1992)
  • Amateur Radio (November 1992)
  • Amateur Radio (November 1992)
  • Amateur Radio (January 1993)
  • Amateur Radio (January 1993)
  • Amateur Radio (March 1993)
  • Amateur Radio (March 1993)
  • Amateur Radio (May 1993)
  • Amateur Radio (May 1993)
  • Amateur Radio (June 1993)
  • Amateur Radio (June 1993)
  • Amateur Radio (July 1993)
  • Amateur Radio (July 1993)
  • Amateur Radio (August 1993)
  • Amateur Radio (August 1993)
  • Amateur Radio (September 1993)
  • Amateur Radio (September 1993)
  • Amateur Radio (October 1993)
  • Amateur Radio (October 1993)
  • Amateur Radio (December 1993)
  • Amateur Radio (December 1993)
  • Amateur Radio (February 1994)
  • Amateur Radio (February 1994)
  • Amateur Radio (March 1994)
  • Amateur Radio (March 1994)
  • Amateur Radio (May 1994)
  • Amateur Radio (May 1994)
  • Amateur Radio (June 1994)
  • Amateur Radio (June 1994)
  • Amateur Radio (September 1994)
  • Amateur Radio (September 1994)
  • Amateur Radio (December 1994)
  • Amateur Radio (December 1994)
  • Amateur Radio (January 1995)
  • Amateur Radio (January 1995)
  • CB Radio Can Now Transmit Data (March 2001)
  • CB Radio Can Now Transmit Data (March 2001)
  • What's On Offer In "Walkie Talkies" (March 2001)
  • What's On Offer In "Walkie Talkies" (March 2001)
  • Stressless Wireless (October 2004)
  • Stressless Wireless (October 2004)
  • WiNRADiO: Marrying A Radio Receiver To A PC (January 2007)
  • WiNRADiO: Marrying A Radio Receiver To A PC (January 2007)
  • “Degen” Synthesised HF Communications Receiver (January 2007)
  • “Degen” Synthesised HF Communications Receiver (January 2007)
  • PICAXE-08M 433MHz Data Transceiver (October 2008)
  • PICAXE-08M 433MHz Data Transceiver (October 2008)
  • Half-Duplex With HopeRF’s HM-TR UHF Transceivers (April 2009)
  • Half-Duplex With HopeRF’s HM-TR UHF Transceivers (April 2009)
  • Dorji 433MHz Wireless Data Modules (January 2012)
  • Dorji 433MHz Wireless Data Modules (January 2012)
Articles in this series:
  • The Evolution of Electric Railways (November 1987)
  • The Evolution of Electric Railways (November 1987)
  • The Evolution of Electric Railways (December 1987)
  • The Evolution of Electric Railways (December 1987)
  • The Evolution of Electric Railways (January 1988)
  • The Evolution of Electric Railways (January 1988)
  • The Evolution of Electric Railways (February 1988)
  • The Evolution of Electric Railways (February 1988)
  • The Evolution of Electric Railways (March 1988)
  • The Evolution of Electric Railways (March 1988)
  • The Evolution of Electric Railways (April 1988)
  • The Evolution of Electric Railways (April 1988)
  • The Evolution of Electric Railways (May 1988)
  • The Evolution of Electric Railways (May 1988)
  • The Evolution of Electric Railways (June 1988)
  • The Evolution of Electric Railways (June 1988)
  • The Evolution of Electric Railways (July 1988)
  • The Evolution of Electric Railways (July 1988)
  • The Evolution of Electric Railways (August 1988)
  • The Evolution of Electric Railways (August 1988)
  • The Evolution of Electric Railways (September 1988)
  • The Evolution of Electric Railways (September 1988)
  • The Evolution of Electric Railways (October 1988)
  • The Evolution of Electric Railways (October 1988)
  • The Evolution of Electric Railways (November 1988)
  • The Evolution of Electric Railways (November 1988)
  • The Evolution of Electric Railways (December 1988)
  • The Evolution of Electric Railways (December 1988)
  • The Evolution of Electric Railways (January 1989)
  • The Evolution of Electric Railways (January 1989)
  • The Evolution Of Electric Railways (February 1989)
  • The Evolution Of Electric Railways (February 1989)
  • The Evolution of Electric Railways (March 1989)
  • The Evolution of Electric Railways (March 1989)
  • The Evolution of Electric Railways (April 1989)
  • The Evolution of Electric Railways (April 1989)
  • The Evolution of Electric Railways (May 1989)
  • The Evolution of Electric Railways (May 1989)
  • The Evolution of Electric Railways (June 1989)
  • The Evolution of Electric Railways (June 1989)
  • The Evolution of Electric Railways (July 1989)
  • The Evolution of Electric Railways (July 1989)
  • The Evolution of Electric Railways (August 1989)
  • The Evolution of Electric Railways (August 1989)
  • The Evolution of Electric Railways (September 1989)
  • The Evolution of Electric Railways (September 1989)
  • The Evolution of Electric Railways (October 1989)
  • The Evolution of Electric Railways (October 1989)
  • The Evolution of Electric Railways (November 1989)
  • The Evolution of Electric Railways (November 1989)
  • The Evolution Of Electric Railways (December 1989)
  • The Evolution Of Electric Railways (December 1989)
  • The Evolution of Electric Railways (January 1990)
  • The Evolution of Electric Railways (January 1990)
  • The Evolution of Electric Railways (February 1990)
  • The Evolution of Electric Railways (February 1990)
  • The Evolution of Electric Railways (March 1990)
  • The Evolution of Electric Railways (March 1990)
Index to Volume 1: Nov. 1987 - Dec. 1988 Features Electric Railways 11 /87 76 Your House Wiring Could Kill You 12/87 6 Using Your VCR to Tune UHF TV Stations 12/87 40 Amateurs Link Coast to Coast 12/87 50 AT-Compatible Kit Computer 01 /88 12 The 1987 CESA Hifi Awards 01 /88 68 OTC's Automatic Seaphone Service 02/88 6 Electronics and the Big Cat 02/88 1 4 Easy Tips on Headphone Repair 02/88 50 South Pacific: The Electronic Version 03/88 6 New Life for Radio Cassette Players 03/88 12 Vintage Radio: How It Began , Pt.1 04/88 6 Vintage Rad io: How it Began, Pt.2 07/88 4 Amplifier Headroom: It It a Con? 09/88 8 Sony's Mind Blowing 8mm Video Gear 10/88 4 Electronics & Brock's BMW Blaster 11 /88 4 All About Screws & Screwdrivers 11 /88 8 Quieten the Fan in Your Computer 11 /88 76 The Technology Letters, Pt.1 12/88 4 Electronics & Holden's V6 Engine 12/88 42 Kit Clinic 11 /87 Design & Theory 03/88 65 High, Low Sink & Source Explained 04/88 10 What is Negative Feedback? Pt.1 05/88 42 Motorola's MC3334P Ignition IC 06/88 1 O What is Negative Feedback? Pt.2 07/88 50 National Semiconductor's LM833 Op Amp 07/88 70 What is Negative Feedback? Pt.3 08/88 54 A Look At Insulated Tab Triacs 09/88 58 Motorola's MC34018 Speakerphone IC 09/88 82 What is Negative Feedback? Pt.4 Digital Fundamentals 11 /87 12/87 01 /88 02/88 83 90 86 85 03/88 81 04/88 81 05/88 84 06/88 86 08/88 63 09/88 66 94 Lesson 1 : Binary Data Lesson 2: Digital Logic Elements Lesson 3 : Digital Circuits Lesson 4: Understanding & Using Flipflops Lesson 5: Counters & Shift Registers Lesson 6: Combinational Logic Circuits Lesson 7 : Memory Circuits Lesson 8: Introduction to Microcomputers Lesson 9 : Input & Output Operations Lesson 10: Programming Microcomputers SILICON CHIP 12/87 01 /88 02/88 03/88 04/88 05/88 06/88 07/88 08/88 09/88 10/88 11 /88 12/88 6 The Birth of Steam & Electric Locos 68 Steam Locomotives Come of Age 4 The Problem of Braking 80 Australia's First 100 Years 76 Electrics in Australia 74 The Sydney & Blue Mountains Systems 76 The First Electric Mainline System 80 The First 3-Phase AC Electric Railway 84 15kV 16.6Hz AC In Northern Europe 76 Electrification in Central Europe 88 The Queensland 25kV Suburban System 76 Queensland's Powerful New Electric Locos 96 A Look At Diesel-Electric Locomotives 76 Why Diesel-Electrics Killed Off Steam Vintage Radio 05/88 06/88 07/88 08/88 09/88 10/88 11 /88 12/88 6 Collecting Vintage Radio Receivers 16 Cleaning Up the Chassis 10 Checking & Repairing the Valves 4 Capacitors Cause Lots of Problems 4 Checking & Replacing Resistors 8 Checking Out the Power Supply 34 What To Do About the Loudspeaker 14 Restoring the Dial Mechanism The Way I See It 1 1/87 14 They'll Sell you Anything But Don't Ask Them to Fix It 12/87 87 Is the Electronic Servicing Industry Dragging Its Feet? 01 /88 82 Information Has Its Place But What About Knowledge 02/88 70 Worth Preserving : A Colourful Slice of Electronic History 03/88 72 The Quest for Ultimate Hifi is Half the Fun 04/88 16 Audio Power Ratings - Right Back Where We Started From 05/88 12 Is UHF TV as Good as It's Cracked Up To Be? 06/88 6 For All Practical Purposes, Mr Fixit Has Had His Day 07/88 18 Are Computers Turning Us Into Automatons? 08/88 14 Some Things Are Enough to Make a Grown Man Cry 09/88 22 Could We End Up Drinking Nickel Cadmium Cocktails? 10/88 36 Fly By Wire: Is It Safe From Electromagnetic Interference? 11 /88 28 Look Out TV Servicemen: VCRs Are Now Disposable 12/88 44 UHF TV Problems in the lllawarra Region Serviceman's Log 11 /87 12/87 01 /88 02/88 03/88 04/88 46 73 56 60 50 54 05/88 56 06/88 38 07/88 08/88 09/88 10/88 34 28 38 44 11 /88 54 12/88 62 With Friend's Like That All This In A Brand New Set When The Chips Are Down His Master's Voice A Baffling Exercise Beating An Intermittent When the Heat's On Double Or Quits - Toss Ya Ring Out The New, Ring In The Old Sounding Out a Video Recorder Sound Reasons For Confusion Helping The Old Folk At Home Curing Woolly Pictures At Wollongong My Friend (The Enemy) Flicker The Customer Has No Idea TETIA TV Tips 12/87 66 Rank Arena C2239 (82 Chassis) 01 /87 59 Blaupunkt (Bridge Rectifier Chassis) 02/88 64 Sony KV1 800-AS 03/88 54 Thorn 9904 (Q Chassis) 04/88 55 Sony KV1 800-AS 05/88 60 Philips K9 Chassis 06/88 42 Rank Arena C2205 07/88 36 HMV 12613 (Braddon) 08/88 31 Philips (CA826) (Toshiba Chassis) 09/88 44 General Electric TC53L2 10/88 49 National TC1401 A 11 /88 60 Sony KV1830AS (Early Version) 12/88 67 Kriesler 59-4/5/6 Telecommander Remote Control 12/88 67 AWA Thorn 3500 Series Hifi Reviews 11 /87 11 Marantz PM-35 Integrated Amplifier 12/87 17 Realistic Nova-1 5 Loudspeakers 01 /88 32 Marantz CD-94 Compact Disc Player 02/88 30 Sony RA-N77ES Stereo Power Amplifier & TA-E77ES Stereo Control Amplifier 03/88 16 Tandy CD-1 500 CD Player 04/88 15 Arista CDS606 Compact Loudspeaker System 06/88 15 Realistic Optimus 304 Loudspeaker System 07/88 .16 Amcron MA-1 200 Power Amplifier 10/88 20 Yamaha CDX-1110 CD Player 12/88 18 Harman Kardon PM665Vxi Stereo Amplifier Circuit Notebook 11 /87 62 DC Speed Control For Model Motors 11 /87 62 Measuring the Tracking of Dual Potentiometers Projects 11 /87 20 Capacitance Adaptor for DMMs 11/87 32 1GHz Digital Frequency Meter, Pt.1 11/87 54 Car Stereo for Your Home 11/87 66 Off Hook Indicator for Telephones 11/87 72 Portable Electronics Workbench 12/87 10 100 Watt Amplifier Module 12/87 28 24V to 12V Converter for Trucks 12/87 33 Passive lnfrared Movement Detector 12/87 46 Speedi-Watt Lamp Dimmer 12/87 76 1GHz Digital Frequency Meter, Pt.2 01/88 14 High-Performance UHF Antenna 01/88 24 Electronic Chime for Telephones 01/88 38 Dual Tracking ± 18.5V Power Supply 01/88 48 1GHz Digital Frequency Meter, Pt.3 01/88 64 Subcarrier Adaptor for FM Tuners 01/88 71 The Flexo Shortwave Antenna 02/88 18 Protector Car Burglar Alarm 02/88 36 Studio 200 Stereo Power Amplifier 02/88 46 End-of-File Indicator for Modems 02/88 53 Build the Door Minder 02/88 56 Low Ohms Adaptor for Multimeters 11 /87 63 How to Obtain -5V From A +5V Supply 11 /87 63 Frequency Comparator With Visual Display 12/87 18 Low Power RAM EPROM Emulator 12/87 18 Simple Transistor Oscillator 12/87 19 Courtesy Light Delay Switch 12/87 19 Voltage Regulator For 1 2V Alternators 01 / 88 22 Sequential Lamp Flasher For Cars 01 /88 22 High Impedance Op Amp With Input Protection 01 /88 23 Crowbar Over-Voltage Protection For Power Supplies 01 /88 23 Substituting Electrolytic Capacitors 02/88 34 Thermatic Fan Timer For Cars 02/88 34 Dynamic Noise Reduction For Cassette Players 02/88 35 El Cheapo Car Burglar Alarm 03/88 38 Adjustable Load For Power Supplies 03/88 38 Synchroscope For Frequency Comparison 03/88 39 CAO Probe Modification 03/88 39 Precision Reset For Microprocessors 04/88 50 High Speed Pulse Amplifier 04/88 50 Headphone Noise Monitor For Power Amplifiers 04/88 51 Quiz Game Using a CMOS Latch 04/88 51 VU Meter For Tape Dubbing 05/88 50 Voltage & Current Metering For Power Supplies 05/88 51 Improvements For Modem Endof-File Indicator 03/88 18 Line Grabber for Telephones 03/88 26 Remote Switch for Car Burglar Alarms 03/88 40 Endless Loop Tape Player 03/88 43 Technilab 301 Function Generator 03/88 56 Old-Time Crystal Radio 03/88 60 Build Your Own Light Box 04/88 28 Headphone Amplifier for CD Players 04/88 32 Walkaround Throttle for Model Railroads, Pt. 1 04/88 47 Build a Slave Flash Trigger 04/88 60 A pH Meter for Swimming Pools 05/88 18 Optical Tachometer for Aeromodellers 05/88 32 High Energy Ignition for Cars 05/88 44 Walkaround Throttle for Model Railroads, Pt.2 05/88 62 Ultrasonic Car Burglar Alarm 05/88 72 Build the Party Light 06/88 28 Studio 200 Stereo Control Unit, Pt.1 06/88 44 Convert Your Car to Breakerless Ignition 06/88 56 Automatic Light Controller 06/88 62 Mega-Fast Nicad .Battery Charger 07/88 14 Fuel Cut-Off Solenoid for Cars 07/88 30 Booster for TV & FM Signals 07/88 40 Studio 200 Stereo Control Unit, Pt.2 07/88 56 The Discolight Light Show, Pt.1 07/88 74 Tone Burst Source for Amplifier Testing 08/88 8 Build a Plasma Display 08/88 18 High Performance AC Millivoltmeter, Pt.1 08/88 38 Universal Power Supply Board 08/88 42 The Discolight Light Show, Pt.2 08/88 56 Remote Controlled Chimes Unit 09/88 14 Hands-Free Speakerphone 09/88 30 Electronic Fish Bite Detector 09/88 46 High Performance AC Millivoltmeter, Pt.2 09/88 60 the Incredible Vader Voice 10/88 14 FM Stereo Transmitter 10/88 28 High Performance FM Antenna 10/88 52 The Classic Matchbox Crystal Set 10/88 64 The Led-Light House Number 11/88 14 High Power PA Amplifier Module 11/88 40 Poor Man's Plasma Display 11/88 64 Build a Car Safety Light 11/88 68 Add a Headset to the Speakerphone 11/88 87 Dynamic Balancing for Electric Fans 12/88 26 1 20 Watt Public Address Amplifier 12/88 34 Car Antenna/Demister Adaptor 12/88 50 Diesel Sound Simulator for Model Railroads 05/88 51 High-Q Notch Filter 06/88 69 Dual Power Circuit With Back-Up Battery Indicator 06/88 69 Brighter Flashing Lamp For Alarms 06/88 69 Flashing Pilot Lamp 07/88 14 Fuel Cut-Off Solenoid For Cars 08/88 34 Telephone Ring Simulator 08/88 34 DC Stereo Volume Control 08/88 35 Digital Lissajous Frequency Comparator 09/88 34 National Semiconductor's LM12 150W Op Amp 10/88 70 Off Peak Indicator For Hot Water Systems 10/88 70 Audio Overload Detector 10/88 71 Long Interval Timer 11 /88 32 Knightrider LED Scanner 11 /88 32 12-240V 60VA Inverter 12/88 59 Charger for 1 2V Gel Batteries 12/88 59 Constant Current Nicad Charger 04/88 67 Mobile Antenna For The VHF & UHF Bands 05/88 70 Designing & Building Attenuators 06/88 72 Build An RF Sniffer Probe & Preamplifier 07/88 64 A Look At Amplitude Companded Sideband 08/88 84 How To Get The Most Out Of Nicad Batteries 09/88 84 Switchmode Charger For Gel Batteries 10/88 84 Convert a CB Radio to the 28MHz Amateur Band 11 /88 92 What's All This Talk About SINAD? 12/88 70 SSS Adaptor For Shortwave Receivers Safety Watch 03/88 03/88 03/88 10/88 71 71 71 71 VCRs & Water Don't Mix Hazardous Power Cords Safety With The Iron Electric Shavers Should Be Checked Amateur Radio Introducing Amateur Radio Tuning In To The VHF Bands Getting Started on Amateur TV Line Isolation Unit for Phone Patch Operation 03/88 68 Antennas For The VHF & UHF Bands 11 /87 12/87 01 /88 02 /88 90 73 76 74 Notes & Errata 01 /88 03/88 03/88 06/88 06/88 95 96 96 95 95 07/88 95 08/88 95 08/88 95 08/88 95 08/88 95 09/88 103 10/88 99 10/88 99 11 /88 104 11 /88 104 11 /88 104 12/88 96 Digital Fundamentals Capacitance Adaptor for DMMs 24V to 12V Converter Remote Switch for Car Alarms Passive lnfrared Movement Detector Remote Switch for Car Alarms 24V to 12V Converter Protector Car Burglar Alarm Optical Tachometer Studio 200 Stereo Control Unit UHF Remote Chime/Doorbell Studio 200 Stereo Control Unit Remote Switch & Remote Chime Low Ohms Tester for DMMs Switchmode Battery Charger Hands-Free Speakerphone Stereo FM Transmitter DECEMBER 1988 95