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Silicon Chip · BACK COPIES ·. February 1988: 200 Watt Stereo Power Amplifier; Deluxe Car Burglar Alarm ; End of File Indicator for Modems; Door Minder Alarm ; Low Ohms Adaptor for Multimeters; Line Isolation Unit for Phone Patch; Electronics In The Jaguar XJ40 ; Easy Tips on Headphone Repair. March 1988: Remote Switch for Car Alarms ; Telephone Line Grabber; Endless Loop Tape Player; Build Your Own Light Box; New Life for Radio-Cassette Players; Old-Time Crystal Radio. April 1988: Walkaround Throttle for Model Railroads, Pt. 1 ; pH Meter for Swimming Pools; Slave Flash Trigger; Headphone Amplifier for CD Players ; What is Negative Feedback, Pt.1 ; Mobile Antennas for the VHF & UHF Bands. May 1988: Optical Tachometer for Aeromodellers; High Energy Ignition for Cars; Ultrasonic Car Burglar Alarm ; Walkaround Throttle for Model Railroads , Pt.2; Designing and Building RF Attenuators; Motorola MC3334P High Energy Ignition IC Data. June 1988: Stereo Control Preamplifier (uses LM833). Pt.1 ; Breakerless Ignition For Cars Using Hall Effect Pickups; Mega-Fast Nicad Battery Charger; Automatic Light Controller Uses PIR Detector; RF Sniffer Probe & Preamplifier; What is Negative Feedback, Pt.2 . July 1988: Stereo Control Preamplifier, Pt. 2 ; Fitting a Fuel Cut-Off Solenoid; Booster for TV & FM Signals; The Discolight Light Show, Pt.1; Tone Burst Source for Amplifier Headroom Testing; National Semiconductor LM833 Op Amp Data; What is Negative Feedback, Pt.3 . August 1988: Building a Plasma Display; Universal Power Supply Board; Remote Chime/Doorbell; High Performance AC Millivoltmeter (uses OP-27). Pt.1; Discolight Light Show, Pt.2; Getting the Most Out of Nicad Batteries ; Data on Insulated Tab Triacs. September 1988: Hands-Free Speakerphone; Switchmode Charger for 12V Gel Batteries; Electronic Fish Bite Detector; High Performance AC Millivoltmeter, Pt.2; Vader Voice; Motorola MC34018 Speakerphone IC Data; National Semiconductor LM12 150W Op Amp Data & Applications; 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 Rad io To The 28MHz Band; Electronics & Brock's BMW Blaster; Queensland's Powerful Electric Locomotives. 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. December 1988: 120W PA Amplifier (With Balanced Inputs). Pt. 1 ; Diesel Sound Generator; Car Antenna/Dem ister Adaptor; SSB Adaptor for Shortwave Receivers; Electronics & Holden's New V6 En gine; Why Diesel Electrics Killed Off Steam; Index to Volume 1. January 1989: Line Filter for Computers; Ultrasonic Proximity Detector for Cars; Simple Computer Sound Repeater; 120W PA Amplifier (With Balanced Inputs) Pt.1 ; How to Service Car Cassette Players; The Goalkeeper Gatling Gun; Massive Diesel Electrics In the USA. 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 & Electron ic Appliances; Using Comparators to Detect & Measure. March 1989: LED Message Board, Pt.1; 32-Band Graphic Equaliser, Pt.1; Stereo Compressor for CD Players; Map Reader for Trip Calculations ; Amateur VHF FM Monitor, Pt.2; Signetics NE5 72 Compandor IC Data; 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; Use this handy form to order your back copies "Ill\ r-- - -----------------------------+-- 7 1 Please send me a back issue for: February 1 988 March 1988 April 1988 □ I □ May 1 988 □ I □ October 1 988 I □ March 1 989 I I l I I I I I I I I I I □ □ □ July 1 988 □ August 1 988 □ [l November 1 988 □ December 1988 □ January 1989 D February 1 989 ii April 1 989 □ May 1 989 D June 1989 □ D August 1989 □ September 1 989 D October 1989 □ November 1989 □ December 1989 □ January 1990 0 February 1 990 June 1 988 September 1 988 July 1989 Enclosed is my cheque/money order tor $ _ __ ___ or please debit my □ Bankcard □ Visa Card □ MasterCard Card No Price: $A5 .00 each (includes postage). Overseas orders add $A 1 .00 per issue tor postage. Signature, _____________ Card expiry date _ ___._ _ NZ & PNG orders are sent by air mail. Name______________________ _ ___ (PLEASE PRINT) Detach and mail to: SILICON CHIP PUBLICATIONS Stree.__ _ _ _ _ _ _ _ _ _ _ _ _ __ _ _ _ __ _ __ PO BOX 139 COLLAROY BEACH NSW 2097 Suburb/town _ _ _ _ _ _ _ _ _ _ _ _ _ _ Postcode _ _ __ OR FAX: (02) 982 9553 .I..___.___,___.__,II..___.____.___..__ ] .I. .---'----'----'--I l_l---'----'-----'--_, I I I I l I 'I I I I I I I * ~---- -----------------------------------'-- 58 SILICON CHIP 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; Universal Temperature Controller; Understanding CRO Probes; Led Message Board, Pt.3; Coherent CW - a New Low Power Transmission Technique. 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 Electrics; Facts On the PhaxSwitch - Sharing Your Phone Line With A Fax Machine. 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 MC13024 and TX7376P) Pt.1; Alarm-Triggered Telephone Dialler; High Or Low Fluid Level Detector (uses LM 1830N); Simple DTMF Encoder (uses Texas TMC5089); Studio Series 20-Band Stereo Equaliser, Pt.2; Auto-Zero Module for Audio Amplifiers (uses LMC669); A Guide to Hard Disc Drives. October 1989: Introducing Remote Control; FM Radio Intercom For Motorbikes (uses BA 1404 and TDA7000) 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; A Look at Australian Monorails . November 1989: Radfax Decoder For Your PC (Displays Fax, RTTY and Morse); Super Sensitive FM Bug ; Build A Low Cost Analog Multimeter; 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, Uses Texas TMS3477NL and 256K RAMs); UHF Remote Switch; Balanced Input & Output Stages; National Semiconductor LM831 Low Voltage Amplifier IC Data & Applications; Install a Clock Card In Your PC; Index to Volume 2. January 1990: Service Tips For Your VCR; Speeding Up Your PC; Phone Patch For Radio Amateurs; High Quality Sine/Square Oscillator; Active Antenna Kit; The Latest On High Definition TV; Speed Controller For Ceiling Fans. 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. Note: November 1987, December 1987 & January 1 988 are now sold out. BOOKSHELF - CTD FROM PAGE 57 the "valves-sound-better-thantransistors" argument, nor is the book written in that vein. Instead, it presents a general history of valves and vaccuum tubes. It's a well produced introduction into what was the era of wireless. It covers many of the developments that occurred during the 1920s, 30s and 40s, giving a pictorial display of many of the valves that were popular with constructors. There are 27 chapters, too numerous to outline in detail here. However, some examples of the subject matter discussed are developments in tetrodes and transmitting tubes, and outlines on some of the major manufacturers like Mullard, Philips and Amalgamated Wireless (Australasia) Ltd are given. There is even discussion on some of the major valves that subsequently became well known to radio collectors. An example is the 6V6, certainly one of the most-used valves in the world. It also gives you the atmosphere of the period by showing many of the contemporary advertising posters from England, America and Australia. Whether you're a fan of valves or not, this is certainly interesting reading about an era that was wireless, and would certainly be a worthy piece to add to any vintage radio collector's shelf. The book is available for $32.95 from Resurrection Radio, PO Box 1116, Windsor, Vic 3121. (D.B.Y). Making money from audio recording Make Money From Home Recording, by Clive Brooks. Publishe d 1989 by PC Publishing, Kent, England. Soft covers, 216 x 137mm, 105 pages. ISBN 1-870775-25-2. Price $17.95. Many people are interested in home recording in one form or another, and probably quite a few are interested in the business opportunities too, so this book is assured of a wide readership. Whether it will give you enough background to make good home recordings is quite another matter though, because the book is not very technical. Chapter 1 gives some basic information on using a room or a garage as a home studio and touches on the essential topics of sound-proofing and ventilation. However, it gives no information on how the equipment should be set up or how the room might be laid out. Chapter 2 is devoted to studio equipment and talks about cassette decks and four track recorders. It also makes some mention of microphones and their general characteristics but that's about as far as it goes. There is nothing on mixers or equalisers, and the barest of mentions of midi systems and keyboards, all of which would be used these days by the serious home recordist. This would especially apply if the reader was considering recording advertising jingles (one of the suggested business opportunities). We could go on about the nontechnical nature of the book but the point is made - it really is more on the subject of business opportunities. On that basis, the book provides interesting background which is well worth reading. Our review copy came from Jaycar Electronics (Cat BP-1208) and sells for $17.95 . [L.D.S). [!tl MARCH 1990 59