Silicon ChipContents - July 2002 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: Is our electricity too cheap for solar to succeed?
  4. Feature: Victoria's Solar Power Tower: A World First? by Sammy Isreb
  5. Project: Telephone Headset Adaptor by John Clarke
  6. Subscriptions
  7. Project: A Rolling Code 4-Channel UHF Remote Control by Ross Tester
  8. Order Form
  9. Feature: Applications For Fuel Cells by Gerry Nolan
  10. Product Showcase
  11. Weblink
  12. Project: Remote Volume Control For The Ultra-LD Amplifier by John Clarke & Greg Swain
  13. Review: Tektronix TDS 2022 Colour Oscilloscope by Leo Simpson
  14. Project: Direct Conversion Receiver For Radio Amateurs; Pt.1 by Leon Williams
  15. Vintage Radio: The Airzone 500 series receivers by Rodney Champness
  16. Notes & Errata
  17. Book Store
  18. Back Issues
  19. Market Centre
  20. Advertising Index
  21. Outer Back Cover

This is only a preview of the July 2002 issue of Silicon Chip.

You can view 28 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.

Items relevant to "Telephone Headset Adaptor":
  • Telephone Headset Adaptor PCB pattern (PDF download) [12107021] (Free)
  • Panel artwork for the Telephone Headset Adaptor (PDF download) (Free)
Articles in this series:
  • Fuel Cells: The Quiet Emission-Free Power Source (May 2002)
  • Fuel Cells: The Quiet Emission-Free Power Source (May 2002)
  • Fuel Cells Explode! (June 2002)
  • Fuel Cells Explode! (June 2002)
  • Applications For Fuel Cells (July 2002)
  • Applications For Fuel Cells (July 2002)
Items relevant to "Remote Volume Control For The Ultra-LD Amplifier":
  • Ultra-LD 100W RMS Stereo Amplifier PCB patterns (PDF download) [01112011-5] (Free)
  • Ultra-LD 100W Stereo Amplifier PCB patterns (PDF download) [01105001-2] (Free)
  • Panel artwork for the Ultra-LD 100W RMS Stereo Amplifier (PDF download) (Free)
  • Ultra-LD Amplifier Preamplifier with Remote Volume Control PCB pattern (PDF download) [01107021] (Free)
Articles in this series:
  • Ultra-LD 100W Stereo Amplifier; Pt.1 (March 2000)
  • Ultra-LD 100W Stereo Amplifier; Pt.1 (March 2000)
  • Building The Ultra-LD 100W Stereo Amplifier; Pt.2 (May 2000)
  • Building The Ultra-LD 100W Stereo Amplifier; Pt.2 (May 2000)
  • 100W RMS/Channel Stereo Amplifier; Pt.1 (November 2001)
  • 100W RMS/Channel Stereo Amplifier; Pt.1 (November 2001)
  • 100W RMS/Channel Stereo Amplifier; Pt.2 (December 2001)
  • 100W RMS/Channel Stereo Amplifier; Pt.2 (December 2001)
  • 100W RMS/Channel Stereo Amplifier; Pt.3 (January 2002)
  • 100W RMS/Channel Stereo Amplifier; Pt.3 (January 2002)
  • Remote Volume Control For Stereo Amplifiers (June 2002)
  • Remote Volume Control For Stereo Amplifiers (June 2002)
  • Remote Volume Control For The Ultra-LD Amplifier (July 2002)
  • Remote Volume Control For The Ultra-LD Amplifier (July 2002)
Items relevant to "Direct Conversion Receiver For Radio Amateurs; Pt.1":
  • PIC16F84(A)-04/P programmed for the Direct Conversion Receiver (Programmed Microcontroller, AUD $10.00)
  • Firmware (HEX) file and source code for the Direct Conversion Receiver (Software, Free)
  • Direct Conversion Receiver for Radio Amateurs PCB pattern (PDF download) [06107021] (Free)
  • Panel artwork for the Direct Conversion Receiver for Radio Amateurs (PDF download) (Free)
Articles in this series:
  • Direct Conversion Receiver For Radio Amateurs; Pt.1 (July 2002)
  • Direct Conversion Receiver For Radio Amateurs; Pt.1 (July 2002)
  • Direct Conversion Receiver For Radio Amateurs; Pt.2 (August 2002)
  • Direct Conversion Receiver For Radio Amateurs; Pt.2 (August 2002)
Contents Vol.15, No.7; July 2002 www.siliconchip.com.au FEATURES 7 Victoria’s Solar Power Tower: A World First? It’s 1000 metres tall, sits on top of a massive greenhouse and will generate 200MW of electricity. And it could be built in Victoria – by Sammy Isreb 30 Applications For Fuel Cells Third article in our series looks at the advantages and applications of fuel cells – by Gerry Nolan 65 Review: Tektronix TDS 2022 Colour Oscilloscope It boasts a colour LCD screen, measures to 200MHz is very easy to drive. And it’s all packed into a remarkably compact case – by Leo Simpson Victoria’s Proposed 200MW Solar Power Tower – Page 7. PROJECTS TO BUILD 10 Telephone Headset Adaptor Keep your hands free with this simple low-cost project. It can be used with any phone that uses RJ11 modular plugs and sockets – by John Clarke 18 A Rolling Code 4-Channel UHF Remote Control It has a long range, its rolling code is virtually unbreakable, it uses a keyring transmitter and it’s ideal for use with garage door controllers – by Ross Tester 56 Remote Volume Control For The Ultra-LD Amplifier Revised preamp board lets you add our Remote Volume Control unit to the Ultra-LD Stereo Amplifier – by John Clarke & Greg Swain 70 Direct Conversion Receiver For Radio Amateurs; Pt.1 Rolling Code 4-Channel UHF Remote Control – Page 18. It covers from 7-7.3MHz, can tune both Morse and SSB signals and reads out the tuned frequency in Morse code! – by Leon Williams COMPUTERS 68 Creating Your Own Rules For Tiny Personal Firewall Tiny Personal Firewall lets you create your own tightly-defined packet filtering rules. Here’s how to go about it – by Greg Swain Revised Preamp With Remote Volume Control For The Ultra-LD Stereo Amplifier – Page 56. SPECIAL COLUMNS 40 Serviceman’s Log If it look’s easy, it probably isn’t – by the TV Serviceman 80 Vintage Radio The Airzone 500 series receivers – by Rodney Champness DEPARTMENTS 2 4 25 36 53 Publisher’s Letter Mailbag Subscriptions Form Circuit Notebook Product Showcase www.siliconchip.com.au 55 86 89 94 96 Silicon Chip Weblink Ask Silicon Chip Notes & Errata Market Centre Advertising Index Direct Conversion Receiver For Radio Amateurs – Page 62. July 2002  1