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This is only a preview of the July 1993 issue of Silicon Chip. You can view 37 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:
Articles in this series:
Items relevant to "Build A Single Chip Message Recorder":
Items relevant to "Light Beam Relay Extender":
Items relevant to "Build An AM Radio Trainer; Pt.2":
Articles in this series:
Items relevant to "A Low-Cost Quiz Game Adjudicator":
Articles in this series:
Articles in this series:
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Silicon Chip
Fluid Level Detector; Simple DTMF Encoder;
Studio Series 20-Band Stereo Equaliser, Pt.2;
Auto-Zero Module for Audio Amplifiers (Uses
LMC669).
BACK ISSUES
September 1988: Hands-Free Speakerphone;
Electronic Fish Bite Detector; High Performance
AC Millivoltmeter, Pt.2; Build The Vader Voice;
Motorola MC34018 Speakerphone IC Data; What
Is Negative Feedback, Pt.4.
Graphic Equaliser, Pt.1; Stereo Compressor For
CD Players; Amateur VHF FM Monitor, Pt.2; Signetics NE572 Compandor IC Data; Map reader
For Trip Calculations; Electronics For Everyone
–Resistors.
November 1988: 120W PA Amplifier Module
(Uses Mosfets); Poor Man’s Plasma Display;
Automotive Night Safety Light; Adding A Headset
To The Speakerphone; How To Quieten The Fan
In Your Computer; Screws & Screwdrivers, What
You Need To Know; Diesel Electric Locomotives.
April 1989: Auxiliary Brake Light Flasher; Electronics For Everyone: What You Need to Know
About Capacitors; Telephone Bell Monitor/ Transmitter; 32-Band Graphic Equaliser, Pt.2; LED
Message Board, Pt.2.
December 1988: 120W PA Amplifier (With Balanced Inputs), Pt.1; Diesel Sound Generator;
Car Antenna/Demister Adaptor; SSB Adaptor For
Shortwave Receivers; Why Diesel Electrics Killed
Off Steam; Index to Volume 1.
January 1989: Line Filter For Computers; Ultrasonic Proximity Detector For Cars; 120W PA Amplifier (With Balanced Inputs) Pt.1; How To Service
Car Cassette Players; Massive Diesel Electrics In
The USA; Marantz LD50 Loudspeakers.
February 1989: Transistor Beta Tester; Minstrel
2-30 Loudspeaker System; LED Flasher For Model
Railways; Build A Simple VHF FM Monitor (uses
MC3362), Pt.1; Lightning & Electronic Appliances;
Using Comparators to Detect & Measure.
March 1989: LED Message Board, Pt.1; 32-Band
May 1989: Electronic Pools/Lotto Selector; Build
A Synthesised Tom-Tom; Biofeedback Monitor For
Your PC; Simple Stub Filter For Suppressing TV
Interference; LED Message Board, Pt.3; All About
Electrolytic Capacitors.
October 1989: Introducing Remote Control; FM
Radio Intercom For Motorbikes Pt.1; GaAsFet
Preamplifier For Amateur TV; 1Mb Printer Buffer;
2-Chip Portable AM Stereo Radio, Pt.2; Installing
A Hard Disc In The PC.
November 1989: Radfax Decoder For Your PC
(Displays Fax, RTTY & Morse); Sensitive FM
Wireless Microphone; FM Radio Intercom For Motorbikes, Pt.2; 2-Chip Portable AM Stereo Radio,
Pt.3; Floppy Disc Drive Formats & Options; The
Pilbara Iron Ore Railways.
December 1989: Digital Voice Board (Records
Up To Four Separate Messages); UHF Remote
Switch; Balanced Input & Output Stages; Data For
The LM831 Low Voltage Amplifier IC; Installing A
Clock Card In Your Computer; Index to Volume 2.
January 1990: High Quality Sine/Square Oscillator; Service Tips For Your VCR; Speeding Up
Your PC; Phone Patch For Radio Amateurs; Active
Antenna Kit; Speed Controller For Ceiling Fans;
Designing UHF Transmitter Stages.
June 1989: Touch-Lamp Dimmer (uses Siemens
SLB0586); Passive Loop Antenna For AM Radios;
Universal Temperature Controller; Understanding
CRO Probes; LED Message Board, Pt.4.
February 1990: 16-Channel Mixing Desk; High
Quality Audio Oscillator, Pt.2; The Incredible Hot
Canaries; Random Wire Antenna Tuner For 6
Metres; Phone Patch For Radio Amateurs, Pt.2;
PC Program Calculates Great Circle Bearings.
July 1989: Exhaust Gas Monitor (Uses TGS812
Gas Sensor); Extension For The Touch-Lamp
Dimmer; Experimental Mains Hum Sniffers; Compact Ultrasonic Car Alarm; NSW 86 Class Electric
Locomotives.
March 1990: 6/12V Charger For Sealed Lead-Acid
Batteries; Delay Unit For Automatic Antennas;
Workout Timer For Aerobics Classes; 16-Channel
Mixing Desk, Pt.2; Using The UC3906 SLA Battery
Charger IC.
September 1989: 2-Chip Portable AM Stereo
Radio (Uses MC13024 and TX7376P) Pt.1;
Alarm-Triggered Telephone Dialler; High Or Low
April 1990: Dual Tracking ±50V Power Supply;
VOX With Delayed Audio; Relative Field Strength
Meter; 16-Channel Mixing Desk, Pt.3; Active CW
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December 1988
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July 1991 ❏ August
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May 1992
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March 1993
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Card No.
Filter For Weak Signal Reception; How To Find
Vintage Radio Receivers From The 1920s.
May 1990: Build A 4-Digit Capacitance Meter;
High Energy Ignition For Cars With Reluctor Distributors; The Mozzie CW Transceiver; Waveform
Generation Using A PC, Pt.3; 16-Channel Mixing
Desk, Pt.4.
June 1990: Multi-Sector Home Burglar Alarm;
Low-Noise Universal Stereo Preamplifier; Load
Protection Switch For Power Supplies; A Speed
Alarm For Your Car; Design Factors For Model
Aircraft; Fitting A Fax Card To A Computer.
July 1990: Digital Sine/Square Generator, Pt.1
(Covers 0-500kHz); Burglar Alarm Keypad & Combination Lock; Simple Electronic Die; Low-Cost
Dual Power Supply; Inside A Coal Burning Power
Station; Weather Fax Frequencies.
August 1990: High Stability UHF Remote
Transmitter; Universal Safety Timer For Mains
Appliances (9 Minutes); Horace The Electronic
Cricket; Digital Sine/Square Wave Generator, Pt.2.
September 1990: Music On Hold For Your Telephone; Remote Control Extender For VCRs; Power
Supply For Burglar Alarms; Low-Cost 3-Digit
Counter Module; Simple Shortwave Converter For
The 2-Metre Band.
October 1990: Low-Cost Siren For Burglar
Alarms; Dimming Controls For The Discolight;
Surfsound Simulator; DC Offset For DMMs; The
Dangers of Polychlorinated Biphenyls; Using The
NE602 In Home-Brew Converter Circuits.
November 1990: How To Connect Two TV Sets To
One VCR; A Really Snazzy Egg Timer; Low-Cost
Model Train Controller; Battery Powered Laser
Pointer; 1.5V To 9V DC Converter; Introduction
To Digital Electronics; Simple 6-Metre Amateur
Transmitter.
December 1990: DC-DC Converter For Car
Amplifiers; The Big Escape – A Game Of Skill;
Wiper Pulser For Rear Windows; Versatile 4-Digit
Combination Lock; 5W Power Amplifier For The
6-Metre Amateur Transmitter; Index To Volume 3.
January 1991: Fast Charger For Nicad Batteries,
Pt.1; The Fruit Machine; Two-Tone Alarm Module;
Laser Power Supply; LCD Readout For The Capacitance Meter; How Quartz Crystals Work; The
Dangers When Servicing Microwave Ovens.
February 1991: Synthesised Stereo AM Tuner,
Pt.1; Three Inverters For Fluorescent Lights; LowCost Sinewave Oscillator; Fast Charger For Nicad
Batteries, Pt.2; How To Design Amplifier Output
Stages; Tasmania's Hydroelectric Power System.
March 1991: Remote Controller For Garage
Doors, Pt.1; Transistor Beta Tester Mk.2; Synthesised AM Stereo Tuner, Pt.2; Multi-Purpose I/O
Board For PC-Compatibles; Universal Wideband
RF Preamplifier For Amateurs & TV.
April 1991: Steam Sound Simulator For Model
Railroads; Remote Controller For Garage Doors,
Pt.2; Simple 12/24V Light Chaser; Synthesised
AM Stereo Tuner, Pt.3; A Practical Approach To
Amplifier Design, Pt.2; Playing With The Ansi.Sys
File; FSK Indicator For HF Transmissions.
May 1991: Build A DTMF Decoder; 13.5V 25A
Power Supply For Transceivers; Stereo Audio
Expander; Fluorescent Light Simulator For Model
Railways; How To Install Multiple TV Outlets, Pt.1;
Setting Screen Colours On Your PC.
June 1991: A Corner Reflector Antenna For
UHF TV; 4-Channel Lighting Desk, Pt.1; 13.5V
25A Power Supply For Transceivers; Active Filter
For CW Reception; Electric Vehicle Transmission
Options; Tuning In To Satellite TV, Pt.1.
July 1991: Battery Discharge Pacer For Electric
Vehicles; Loudspeaker Protector For Stereo Amplifiers; 4-Channel Lighting Desk, Pt.2; How To Install
Multiple TV Outlets, Pt.2; Tuning In To Satellite TV,
Pt.2; PEP Monitor For Transceivers.
August 1991: Build A Digital Tachometer;
Masthead Amplifier For TV & FM; PC Voice Recorder; Tuning In To Satellite TV, Pt.3; Installing
Windows On Your PC; Step-By-Step Vintage
Radio Repairs.
September 1991: Studio 3-55L 3-Way Loudspeaker System; Digital Altimeter For Gliders
& Ultralights, Pt.1; Build A Fax/Modem For Your
Computer; The Basics Of A/D & D/A Conversion;
Windows 3 Swapfiles, Program Groups & Icons.
October 1991: Build A Talking Voltmeter For Your
PC, Pt.1; SteamSound Simulator Mk.II; Magnetic
Field Strength Meter; Digital Altimeter For Gliders
& Ultralights, Pt.2; Getting To Know The Windows
PIF Editor.
November 1991: Colour TV Pattern Generator,
Pt.1; Battery Charger For Solar Panels; Flashing
Alarm Light For Cars; Digital Altimeter For Gliders
& Ultralights, Pt.3; Build A Talking Voltmeter For
Your PC, Pt.2; Error Analyser For CD Players Pt.3;
Modifying The Windows INI Files.
December 1991: TV Transmitter For VCRs With
UHF Modulators; Infrared Light Beam Relay;
Solid-State Laser Pointer; Colour TV Pattern
Generator, Pt.2; Windows 3 & The Dreaded Un
recoverable Application Error; Index To Volume 4.
January 1992: 4-Channel Guitar Mixer; Adjustable
0-45V 8A Power Supply, Pt.1; Baby Room Monitor/FM Transmitter; Automatic Controller For Car
Headlights; Experiments For Your Games Card;
Restoring An AWA Radiolette Receiver.
February 1992: Compact Digital Voice Recorder;
50-Watt/Channel Stereo Power Amplifier; 12VDC/240VAC 40-Watt Inverter; Adjustable 0-45V 8A
Power Supply, Pt.2; Designing A Speed Controller
For Electric Models.
March 1992: TV Transmitter For VHF VCRs; Studio Twin Fifty Stereo Amplifier, Pt.1; Thermostatic
Switch For Car Radiator Fans; Telephone Call
Timer; Coping With Damaged Computer Direct
ories; Valve Substitution In Vintage Radios.
April 1992: Infrared Remote Control For Model
Railroads; Differential Input Buffer For CROs; Studio Twin Fifty Stereo Amplifier, Pt.2; Understanding
Computer Memory; Switching Frequencies in
Model Speed Controllers; Aligning Vintage Radio
Receivers, Pt.1.
May 1992: Build A Telephone Intercom; LowCost Electronic Doorbell; Battery Eliminator For
Personal Players; Infrared Remote Control For
Model Railroads, Pt.2; A Look At Large Screen
High Resolution Monitors; OS2 Is Really Here;
Aligning Vintage Radio Receivers, Pt.2.
June 1992: Multi-Station Headset Intercom, Pt.1;
Video Switcher For Camcorders & VCRs; Infrared
Remote Control For Model Railroads, Pt.3; 15-Watt
12-240V Inverter; What’s New In Oscilloscopes?;
A Look At Hard Disc Drives.
July 1992: Build A Nicad Battery Discharger;
8-Station Automatic Sprinkler Timer; Portable
12V SLA Battery Charger; Off-Hook Timer For
Telephones; Multi-Station Headset Intercom, Pt.2;
Understanding The World Of CB Radio.
August 1992: Build An Automatic SLA Battery
Charger; Miniature 1.5V To 9V DC Converter;
Dummy Load Box For Large Audio Amplifiers;
Internal Combustion Engines For Model Aircraft;
Troubleshooting Vintage Radio Receivers.
September 1992: Multi-Sector Home Burglar
Alarm; The Interphone Digital Telephone Exchange, Pt.2; General-Purpose 3½-Digit LCD
Panel Meter; Track Tester For Model Railroads;
Build A Relative Field Strength Meter.
October 1992: 2kW 24VDC To 240VAC Sinewave
Inverter; Multi-Sector Home Burglar Alarm, Pt.2;
Mini Amplifier For Personal Stereos; Electronically
Regulated Battery Charger (Charges 6V, 12V &
24V Lead-Acid Batteries).
November 1992: MAL-4 Microcontroller Board,
Pt.1; Simple FM Radio Receiver; Infrared Night
Viewer; Speed Controller For Electric Models, Pt.1;
2kW 24VDC To 240VAC Sinewave Inverter, Pt.2;
Automatic Nicad Battery Discharger; Modifications
To The Drill Speed Controller.
December 1992: Diesel Sound Simulator For
Model Railroads; Easy-To-Build UHF Remote
Switch; MAL-4 Microcontroller Board, Pt.2; Speed
Controller For Electric Models, Pt.2; 2kW 24VDC
To 240VAC Sine
wave Inverter, Pt.3; Index To
Volume 5.
January 1993: Peerless PSK60/2 2-Way Hifi
Loudspeakers; Flea-Power AM Radio Transmitter;
High Intensity LED Flasher For Bicycles; 2kW
24VDC To 240VAC Sinewave Inverter, Pt.4; Speed
Controller For Electric Models, Pt.3; Restoring A
1920s Kit Radio
February 1993: Three Simple Projects For Model
Railroads; A Low Fuel Indicator For Your Car;
Audio Level/VU Meter With LED Readout; Build
An Electronic Cockroach; MAL-4 Microcontroller
Board, Pt.3; 2kW 24VDC To 240VAC Sinewave
Inverter, Pt.5; File Backups With LHA & PKZIP.
March 1993: Build A Solar Charger For 12V
Batteries; An Alarm-Triggered Security Camera;
Low-Cost Audio Mixer for Camcorders; Test Yourself On The Reaction Trainer; A 24-Hour Sidereal
Clock For Astronomers.
April 1993: Solar-Powered Electric Fence; Build
An Audio Power Meter; Three-Function Home
Weather Station; 12VDC To 70VDC Step-Up Voltage Converter; Digital Clock With Battery Back-Up;
A Look At The Digital Compact Cassette.
May 1993: Nicad Cell Discharger; Build The
Woofer Stopper; Remote Volume Control For Hifi
Systems, Pt.1; Alphanumeric LCD Demonstration
Board; Low-Cost Mini Gas Laser; The Microsoft
Windows Sound System.
June 1993: Windows-Based Digital Logic Analyser; Build An AM Radio Trainer; Remote Control For
The Woofer Stopper; A Digital Voltmeter For Your
Car; Remote Volume Control For Hifi Systems,
Pt.2; Double Your Disc Space With DOS 6.
PLEASE NOTE: all issues from November 1987
to August 1988, plus the October 1988 & August
1989 issues, are now sold out. All other issues
are presently in stock, although stocks are low for
older issues. For readers wanting articles from
sold-out issues, we can supply photostat copies (or
tearsheets) at $6.00 per article (incl. p&p). When
supplying photostat articles or back copies, we
automatically supply any relevant notes & errata
at no extra charge.
July 1993 91
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