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This is only a preview of the June 1992 issue of Silicon Chip. You can view 46 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:
Items relevant to "Multi-Station Headset Intercom; Pt.1":
Articles in this series:
Articles in this series:
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Silicon Chip
BACK ISSUES
July 1988: Stereo Control Preamplifier, Pt.2;
Fitting A Fuel Cut-Off Solenoid To Your Car;
Booster For TV & FM Signals; The Discolight
Light Show, Pt.1; Tone Burst Source For Amplifier Headroom Testing; What Is Negative
Feedback, Pt.3; Amplifier Headroom - Is It A
Con?
August 1988: Building A Plasma Display; Universal Power Supply Board; Remote Chime/
Doorbell ; High Performance AC Millivoltmeter,
Pt.1; Discolight Light Show, Pt.2; Getting The
Most Out Of Nicad Batteries; Data On Insulated Tab Triacs.
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.
October 1988: Stereo FM Transmitter (Uses
Rohm BA1404); High Performance FM Antenna; Matchbox Crystal Set; Electronic House
Number; Converting A CB Radio To The 28MHz
Band; Queensland's Powerful Electric Locomotives.
November 1988: 120W PA Amplifier Module
(Uses Mosfets); Poor Man's Plasma Display;
ACJtomotive Night Safety Light; Adding A Head-
set To The Speakerphone; How To Quieten
The Fan In Your Computer; Screws & Screwdrivers, What You Need To Know; Diesel Electric Locomotives.
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 LOSO Loudspeakers.
February 1989: Transistor Beta Tester; Minstrel 2-30 Loudspeaker System; LED Flasher
For Model Railways (uses LM3909) ; 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; 32Band 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.
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.
May 1989: Electronic Pools/Lotto Selector;
Synthesised Tom-Tom; Biofeedback Monitor
For Your PC; Simple Stub Filter For Suppressing TV Interference; LED Message Board, Pt.3;
Electronics For Everyone - All About Electrolytic Capacitors.
June 1989: Touch-Lamp Dimmer (uses Siemens SLB0586) ; Passive Loop Antenna For
AM Radios; Build A Universal Temperature
Controller; Understanding CRO Probes; LED
Message Board, Pt.3.
July 1989: Exhaust Gas Monitor (Uses
TGS812 Gas Sensor) ; Extension For The
Touch-Lamp Dimmer; Experimental Mains Hum
Sn iffers; Compact Ultrasonic Car Alarm; NSW
86 Class Electric Locomotives.
August 1989: Build A Baby Tower AT Computer; Studio Series 20-Band Stereo Equaliser, Pt.1; Garbage Reminder - A 7-Day Programmable Timer; Introduction To Stepper
Motors ; GaAsFet Preamplifier For The 2-Metre Band; Modern 3-Phase Electric Locomotives.
September 1989: 2-Chip Portable AM Stereo
Radio (Uses MC 13024 and TX7376P) Pt.1;
Alarm-Triggered Telephone Dialler; High Or
Low Fluid Level Detector; Simple DTMF Encoder; Studio Series 20-Band Stereo Equaliser, Pt.2 ; Auto-Zero Module for Audio Amplifiers (Uses LMC669).
October 1989: Introducing Remote Control;
FM Rad io Intercom For Motorbikes (Uses
BA1404 & TDA?000) Pt.1; GaAsFet Preampli-
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SILICON CHIP
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fier For Amateur TV; 1Mb Printer Buffer; 2Chip 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; Install A Clock Card In Your PC;
Index to Volume 2.
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; The
Bose Lifestyle Music System; 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 6Metre Amateur Transmitter.
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.
December 1990: DC-DC Converter For Car
Amplifiers; The Big Escape - A Game Of Skill;
Wiper Pulser For Rear Windows; Versatile 4Digit Combination Lock; 5W Power Amplifier
For The 6-Metre Amateur Transmitter; The
Great Green CD Pen Controversy; Index To
Volume 3.
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.
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.
March 1990: 6/12V Charger For Sealed LeadAcid Batteries; Delay Unit For Automatic Antennas; Workout Timer For Aerobics Classes;
16-Channel Mixing Desk, Pt.2 ; Using The
UC3906 SLA Battery Charger IC .
February 1991: Synthesised Stereo AM Tuner,
Pt.1 ; Three Inverters For Fluorescent Lights;
Low-Cost Sinewave Oscillator; Fast Charger
For Nicad Batteries, Pt.2; How To Design Amplifier Output Stages; Tasmania's Hydroelectric Power System.
April 1990: Dual Tracking ±50V Power Supply; VOX With Delayed Audio; Relative Field
Strength Meter; 16-Channel Mixing Desk, Pt.3;
Active CW 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 Mazzie CW Transceiver;
Waveform Generation Using A PC, Pt.3; 16Channel Mixing Desk, Pt.4; What To Do When
Your Computer Goes Bung, Pt.1.
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;
What To Do When Your Computer Goes Bung,
Pt.2.
March 1991: Remote Controller For Garage
Doors, Pt.1; Transistor Beta Tester Mk.2; Synthesised AM Stereo Tuner, Pt.2 ; Multi-Purpose
1/0 Board For PC-Compatibles; Universal Wideband RF Preamplifier For Amateurs & TV; A
Look At The Config.Sys & Ansi.Sys Files.
· 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.
July 1990: Digital Sine/Square Generator, Pt.1
(Covers 0-500kHz); Burglar Alarm Keypad &
Combination Lock; Simple Electronic Die; LowCost Dual Power Supply; Inside A Coal Burning Power Station; What To Do When Your
Computer Goes Bung, Pt.3; Weather Fax Frequencies.
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.
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; What To Do When Your Computer Goes
Bung, Pt.4.
July 1991: Battery Discharge Pacer For Electric Vehicles; CD Error Analyser, Pt.1; Loudspeaker Protector For Stereo Amplifiers; 4Channel Lighting Desk, Pt.2; How To Install
Multiple TV Outlets, Pt.2; Tuning In To Satellite TV, Pt.2; PEP Monitor For Transceivers
September 1990: Music On Hold For Your
Telephone; Remote Control Extender For
VCRs; Power Supply For Burglar Alarms; Low-
August 1991: Build A Digital Tachometer;
Masthead Amplifier For TV & FM; PC Voice
Recorder; Error Analyser For CD Players, Pt.2;
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 ND & DIA
Conversion; Windows 3 Swapfiles, Program
Groups & Icons; How Glass-Mount Antennas
Work.
October 1991: Build A Talking Voltmeter For
Your PC, Pt.1; SteamSound Simulator Mk.11;
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; Build An lnfrared Light
Beam Relay; Compact Solid-State Laser
Pointer; Build A Colour TV Pattern Generator,
Pt.2; The Miracle Piano Teaching System; Windows 3 & The Dreaded Unrecoverable Application Error.
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; The GPS Satellite Navigation System.
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; The Mobile
Telephone Revolution; Designing A Model
Speed Controller.
March 1992: TV Transmitter For VHF VCRs;
Studio Twin Fifty Stereo Amplifier, Pt.1; Thermostatic Switch For Car Radiator Fans; Telephone Call Timer; Updating The Resistor/
Capacitor Scene; Coping With Damaged Computer Directories.
April 1992: lnfrared 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; lnfrared Remote Control
For Model , Railroads, Pt.2; A Look At Large
Screen High Resolution Monitors; OS2 Is Really Here.
PLEASE NOTE: All issues from November
1987 to June 1988 are now sold out. All subsequent issues are presently in stock. For readers wanting articles from sold-out issues, we
can supply photostat copies (or tearsheets) at
$5.00 per article, including postage. When supplying photostat articles or back copies, we
automatically supply any relevant Notes & Errata at no extra charge.
JUNE 1992
89
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