Silicon ChipContents - January 1990 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: Putting speed into perspective
  4. Feature: Checking VCR Tape-Loading Problems by Peter M. Hansen
  5. Feature: Update On High Definition TV by Leo Simpson
  6. Vintage Radio: Obtaining the right spare parts by John Hill
  7. Project: Active Antenna For Shortwave Listening by Greg Swain
  8. Project: Phone Patch For Radio Amateurs, Pt.1 by John Clarke & Greg Swain
  9. Project: A High Quality Audio Oscillator by Leo Simpson
  10. Serviceman's Log: Sing it again Sam(sung) by The TV Serviceman
  11. Project: Speed Controller For Ceiling Fans by John Clarke
  12. Feature: Amateur Radio by Garry Cratt, VK2YBX
  13. Feature: Computer Bits by Jennifer Bonnitcha
  14. Feature: Remote Control by Bob Young
  15. Feature: The Evolution of Electric Railways by Bryan Maher
  16. Feature: Modifying The Studio 200 Amplifier by Leo Simpson
  17. Market Centre
  18. Subscriptions
  19. Outer Back Cover

This is only a preview of the January 1990 issue of Silicon Chip.

You can view 45 of the 104 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 "Active Antenna For Shortwave Listening":
  • Silicon Chip article scan, January 1990 - Active Antenna For The Shortwave Bands (AUD $10.00)
Articles in this series:
  • Phone Patch For Radio Amateurs, Pt.1 (January 1990)
  • Phone Patch For Radio Amateurs, Pt.2 (February 1990)
Articles in this series:
  • A High Quality Audio Oscillator (January 1990)
  • A High Quality Audio Oscillator, Pt.2 (February 1990)
Articles in this series:
  • Amateur Radio (January 1988)
  • Amateur Radio (January 1990)
  • A look at signal tracing; Pt.2 (May 1997)
  • A look at signal tracing; Pt.3 (June 1997)
Articles in this series:
  • Computer Bits (July 1989)
  • Computer Bits (August 1989)
  • Computer Bits (September 1989)
  • Computer Bits (October 1989)
  • Computer Bits (November 1989)
  • Computer Bits (January 1990)
  • Computer Bits (April 1990)
  • Computer Bits (October 1990)
  • Computer Bits (November 1990)
  • Computer Bits (December 1990)
  • Computer Bits (January 1991)
  • Computer Bits (February 1991)
  • Computer Bits (March 1991)
  • Computer Bits (April 1991)
  • Computer Bits (May 1991)
  • Computer Bits (June 1991)
  • Computer Bits (July 1991)
  • Computer Bits (August 1991)
  • Computer Bits (September 1991)
  • Computer Bits (October 1991)
  • Computer Bits (November 1991)
  • Computer Bits (December 1991)
  • Computer Bits (January 1992)
  • Computer Bits (February 1992)
  • Computer Bits (March 1992)
  • Computer Bits (May 1992)
  • Computer Bits (June 1992)
  • Computer Bits (July 1992)
  • Computer Bits (September 1992)
  • Computer Bits (October 1992)
  • Computer Bits (November 1992)
  • Computer Bits (December 1992)
  • Computer Bits (February 1993)
  • Computer Bits (April 1993)
  • Computer Bits (May 1993)
  • Computer Bits (June 1993)
  • Computer Bits (October 1993)
  • Computer Bits (March 1994)
  • Computer Bits (May 1994)
  • Computer Bits (June 1994)
  • Computer Bits (July 1994)
  • Computer Bits (October 1994)
  • Computer Bits (November 1994)
  • Computer Bits (December 1994)
  • Computer Bits (January 1995)
  • Computer Bits (February 1995)
  • Computer Bits (March 1995)
  • Computer Bits (April 1995)
  • CMOS Memory Settings - What To Do When The Battery Goes Flat (May 1995)
  • Computer Bits (July 1995)
  • Computer Bits (September 1995)
  • Computer Bits: Connecting To The Internet With WIndows 95 (October 1995)
  • Computer Bits (December 1995)
  • Computer Bits (January 1996)
  • Computer Bits (February 1996)
  • Computer Bits (March 1996)
  • Computer Bits (May 1996)
  • Computer Bits (June 1996)
  • Computer Bits (July 1996)
  • Computer Bits (August 1996)
  • Computer Bits (January 1997)
  • Computer Bits (April 1997)
  • Windows 95: The Hardware That's Required (May 1997)
  • Turning Up Your Hard Disc Drive (June 1997)
  • Computer Bits (July 1997)
  • Computer Bits: The Ins & Outs Of Sound Cards (August 1997)
  • Computer Bits (September 1997)
  • Computer Bits (October 1997)
  • Computer Bits (November 1997)
  • Computer Bits (April 1998)
  • Computer Bits (June 1998)
  • Computer Bits (July 1998)
  • Computer Bits (November 1998)
  • Computer Bits (December 1998)
  • Control Your World Using Linux (July 2011)
Articles in this series:
  • Remote Control (October 1989)
  • Remote Control (November 1989)
  • Remote Control (December 1989)
  • Remote Control (January 1990)
  • Remote Control (February 1990)
  • Remote Control (March 1990)
  • Remote Control (April 1990)
  • Remote Control (May 1990)
  • Remote Control (June 1990)
  • Remote Control (August 1990)
  • Remote Control (September 1990)
  • Remote Control (October 1990)
  • Remote Control (November 1990)
  • Remote Control (December 1990)
  • Remote Control (April 1991)
  • Remote Control (July 1991)
  • Remote Control (August 1991)
  • Remote Control (October 1991)
  • Remote Control (April 1992)
  • Remote Control (April 1993)
  • Remote Control (November 1993)
  • Remote Control (December 1993)
  • Remote Control (January 1994)
  • Remote Control (June 1994)
  • Remote Control (January 1995)
  • Remote Control (April 1995)
  • Remote Control (May 1995)
  • Remote Control (July 1995)
  • Remote Control (November 1995)
  • Remote Control (December 1995)
Articles in this series:
  • The Evolution of Electric Railways (November 1987)
  • The Evolution of Electric Railways (December 1987)
  • The Evolution of Electric Railways (January 1988)
  • The Evolution of Electric Railways (February 1988)
  • The Evolution of Electric Railways (March 1988)
  • The Evolution of Electric Railways (April 1988)
  • The Evolution of Electric Railways (May 1988)
  • The Evolution of Electric Railways (June 1988)
  • The Evolution of Electric Railways (July 1988)
  • The Evolution of Electric Railways (August 1988)
  • The Evolution of Electric Railways (September 1988)
  • The Evolution of Electric Railways (October 1988)
  • The Evolution of Electric Railways (November 1988)
  • The Evolution of Electric Railways (December 1988)
  • The Evolution of Electric Railways (January 1989)
  • The Evolution Of Electric Railways (February 1989)
  • The Evolution of Electric Railways (March 1989)
  • The Evolution of Electric Railways (April 1989)
  • The Evolution of Electric Railways (May 1989)
  • The Evolution of Electric Railways (June 1989)
  • The Evolution of Electric Railways (July 1989)
  • The Evolution of Electric Railways (August 1989)
  • The Evolution of Electric Railways (September 1989)
  • The Evolution of Electric Railways (October 1989)
  • The Evolution of Electric Railways (November 1989)
  • The Evolution Of Electric Railways (December 1989)
  • The Evolution of Electric Railways (January 1990)
  • The Evolution of Electric Railways (February 1990)
  • The Evolution of Electric Railways (March 1990)
Items relevant to "Modifying The Studio 200 Amplifier":
  • Silicon Chip article scan, July 1988 - Studio 200 Stereo Control Unit Pt2 (AUD $10.00)
  • Silicon Chip article scan, June 1988 - Studio 200 Stereo Control Unit Pt1 (AUD $10.00)
Articles in this series:
  • Studio 200 Stereo Control Unit (June 1988)
  • Studio 200 Stereo Control Unit (July 1988)
  • Modifying The Studio 200 Amplifier (January 1990)
JANUARY 1 990 FEATURES THIS ACTIVE ANTENNA can really help pull in those overseas stations. It comes as a kit and can be put together in a few hours. Details page 18. 4 Checking VCR Tape-Loading Problems by P. Hansen 10 82 86 100 Simple checks that you can make yourself Update On High Definition TV by Leo Simpson Impressive but not yet perfect The Technology Letters by Richard Kopf Adventures in the security industry The Evolution of Electric Railways by Bryan Maher Pt.27: a look at very fast trains Modifying The Studio 200 Amplifier by Leo Simpson One reader's suggestions PROJECTS TO BUILD 18 Active Antenna For Shortwave Listening by G. Swain ELIMINATE YOUR PHONE patch hassles with this easy-tobuild project. It's based on the MC34018 speakerphone IC and features a VOX circuit for automatic transmit/receive switching. See page 26. Helps pull in those overseas stations 26 Phone Patch For Radio Amateurs, Pt.1 by John Clarke Uses a VOX circuit for automatic switching 42 A High Quality Audio Oscillator by Leo Simpson Covers the frequency range from 10Hz to 109.9kHz 63 Speed Controller For Ceiling Fans by John Clarke Uses a light dimmer module SPECIAL COLUMNS 14 Vintage Radio by John Hill Obtaining the right spare parts 58 Serviceman's Log by the TV serviceman Sing it again Sam(sung) 66 Amateur Radio by Garry Cratt Yaesu's new FRG-8800 shortwave receiver 70 Computer Bits by Jennifer Bonnitcha Speeding up your PC - the options 73 Remote Control by Bob Young Designing UHF transmitter stages THE SERVICEMAN has a new vacuum desoldering station for those pesky ICs but the fault sure sucked him in. His problems start on page 58. DEPARTMENTS 2 Publisher's Letter 3 Mailbag 22 Back Issues 34 Circuit Notebook 57 Bookshelf 94 Product Showcase 98 Ask Silicon Chip 102 Market Centre IBC Subscription Page OBC Silicon Chip Binders THIS NEW AUDIO oscillator will put out high quality sine and square waves at up to 10 volts HMS and with 3-digit frequency resolution. Pt.1 starts on page 42. JANUARY 1990 1