Silicon ChipContents - June 1991 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: The North Head UHF translator: much ado about nothing
  4. Feature: Electric Vehicle Transmission Options by Gerry Nolan
  5. Feature: Tuning Into Satellite TV by Garry Cratt
  6. Project: A Corner Reflector Antenna For UHF TV by Bob Flynn & Leo Simpson
  7. Project: Four-Channel Lighting Desk, Pt.1 by John Clarke & Leo Simpson
  8. Serviceman's Log: Whistles aren't always carefree by The TV Serviceman
  9. Project: Howl Suppression For PA Systems by Darren Yates
  10. Project: 13.5V 25A Power Supply For Transceivers, Pt.2 by John Clarke & Leo Simpson
  11. Feature: Computer Bits by Jennifer Bonnitcha
  12. Vintage Radio: Restoring a 4-valve Howard receiver by John Hill
  13. Feature: Amateur Radio by Garry Cratt, VK2YBX
  14. Back Issues
  15. Order Form
  16. Market Centre
  17. Advertising Index
  18. Outer Back Cover

This is only a preview of the June 1991 issue of Silicon Chip.

You can view 41 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:
  • Electric Vehicles: The State Of The Art (January 1991)
  • Electric Vehicles; Pt.2 (February 1991)
  • Electric Vehicles; Pt.3 (March 1991)
  • The World Solar Challenge (April 1991)
  • Motors For Electric Vehicles (May 1991)
  • Electric Vehicle Transmission Options (June 1991)
Articles in this series:
  • Tuning Into Satellite TV (June 1991)
  • Tuning In To Satellite TV; Pt.2 (July 1991)
  • Tuning In To Satellite TV; Pt.3 (August 1991)
Items relevant to "Four-Channel Lighting Desk, Pt.1":
  • Silicon Chip article scan, June 1991 - 4-Channel Lighting Desk Pt.1 (AUD $10.00)
  • Silicon Chip article scan, July 1991 - 4-Channel Lighting Desk Pt.2 (AUD $10.00)
  • Silicon Chip article scan, June 1991 - 4-Channel Lighting Desk Pt.1 (AUD $10.00)
Articles in this series:
  • Four-Channel Lighting Desk, Pt.1 (June 1991)
  • Four-Channel Lighting Desk, Pt.2 (July 1991)
Items relevant to "13.5V 25A Power Supply For Transceivers, Pt.2":
  • Silicon Chip article scan, June 1991 - 13.5V 25A Power Supply For Amateur Transceivers Pt.2 (AUD $10.00)
  • Silicon Chip article scan, May 1991 - 13.5V 25A Power Supply For Amateur Transceivers Pt.1 (AUD $10.00)
  • Silicon Chip article scan, June 1991 - 13.5V 25A Power Supply For Amateur Transceivers Pt.2 (AUD $10.00)
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:
  • All about regenerative receivers (May 1991)
  • Restoring a 4-valve Howard receiver (June 1991)
Articles in this series:
  • Amateur Radio (November 1987)
  • Amateur Radio (December 1987)
  • Amateur Radio (February 1988)
  • Amateur Radio (March 1988)
  • Amateur Radio (April 1988)
  • Amateur Radio (May 1988)
  • Amateur Radio (June 1988)
  • Amateur Radio (July 1988)
  • Amateur Radio (August 1988)
  • Amateur Radio (September 1988)
  • Amateur Radio (October 1988)
  • Amateur Radio (November 1988)
  • Amateur Radio (December 1988)
  • Amateur Radio (January 1989)
  • Amateur Radio (April 1989)
  • Amateur Radio (May 1989)
  • Amateur Radio (June 1989)
  • Amateur Radio (July 1989)
  • Amateur Radio (August 1989)
  • Amateur Radio (September 1989)
  • Amateur Radio (October 1989)
  • Amateur Radio (November 1989)
  • Amateur Radio (December 1989)
  • Amateur Radio (February 1990)
  • Amateur Radio (March 1990)
  • Amateur Radio (April 1990)
  • Amateur Radio (May 1990)
  • Amateur Radio (June 1990)
  • Amateur Radio (July 1990)
  • The "Tube" vs. The Microchip (August 1990)
  • Amateur Radio (September 1990)
  • Amateur Radio (October 1990)
  • Amateur Radio (November 1990)
  • Amateur Radio (December 1990)
  • Amateur Radio (January 1991)
  • Amateur Radio (February 1991)
  • Amateur Radio (March 1991)
  • Amateur Radio (April 1991)
  • Amateur Radio (May 1991)
  • Amateur Radio (June 1991)
  • Amateur Radio (July 1991)
  • Amateur Radio (August 1991)
  • Amateur Radio (September 1991)
  • Amateur Radio (October 1991)
  • Amateur Radio (November 1991)
  • Amateur Radio (January 1992)
  • Amateur Radio (February 1992)
  • Amateur Radio (March 1992)
  • Amateur Radio (July 1992)
  • Amateur Radio (August 1992)
  • Amateur Radio (September 1992)
  • Amateur Radio (October 1992)
  • Amateur Radio (November 1992)
  • Amateur Radio (January 1993)
  • Amateur Radio (March 1993)
  • Amateur Radio (May 1993)
  • Amateur Radio (June 1993)
  • Amateur Radio (July 1993)
  • Amateur Radio (August 1993)
  • Amateur Radio (September 1993)
  • Amateur Radio (October 1993)
  • Amateur Radio (December 1993)
  • Amateur Radio (February 1994)
  • Amateur Radio (March 1994)
  • Amateur Radio (May 1994)
  • Amateur Radio (June 1994)
  • Amateur Radio (September 1994)
  • Amateur Radio (December 1994)
  • Amateur Radio (January 1995)
  • CB Radio Can Now Transmit Data (March 2001)
  • What's On Offer In "Walkie Talkies" (March 2001)
  • Stressless Wireless (October 2004)
  • “Degen” Synthesised HF Communications Receiver (January 2007)
  • WiNRADiO: Marrying A Radio Receiver To A PC (January 2007)
  • PICAXE-08M 433MHz Data Transceiver (October 2008)
  • Half-Duplex With HopeRF’s HM-TR UHF Transceivers (April 2009)
  • Dorji 433MHz Wireless Data Modules (January 2012)
June 1991 FEATURES 6 Electric Vehicle Transmission Options by Gerry Nolan It all depends on the driving cycle 14 Tuning Into Satellite TV by Garry Cratt The basics of satellite TV reception PROJECTS TO BUILD YOU CAN SAVE money by building your own high performance UHF TV antenna. This corner reflector design has high gain on both UHF bands IV & V, and has a narrow vertical acceptance angle to reduce interference effects & ghosting. Details page 24. 24 A Corner Reflector Antenna For UHF TV by Leo Simpson Easy to build unit covers both Band IV & Band V 36 Four-Channel Lighting Desk, Pt.1 by John Clarke& Leo Simpson , For theatres, discos & music groups 59 Howl Suppression For PA Systems by Darren Yates An experimental frequency shifter 64 13.5V 25A Power Supply For Transceivers, Pt.2 by John Clarke Full construction & testing details SPECIAL COLUMNS 54 Serviceman's Log by the TV Serviceman Whistle's aren't always carefree 74 Computer Bits by Jennifer Bonnitcha How to use the keyboard enhancers 78 Vintage Radio by John Hill THIS 4-CHANNEL LIGHTING desk boasts a host of operating features & can control lamp loads rated up to 3600 watts. The first article starts on page 36 & gives all the specifications & circuit details. Restoring a 4-valve Howard receiver 88 Amateur Radio by Garry Cratt Active filter improves CW reception Special Notice DEPARTMENTS 3 Publisher's Letter 4 Mailbag 32 Circuit Notebook 53 Bookshelf 84 Product Showcase 90 Back Issues 2 SILICON CHIP Ask Silicon Chip Notes & Errata Subscription Page Market Centre 96 Advertising Index 92 93 94 95 SPACE RESTRICTIONS this month have prevented us from publishing Bob Young's remote control column, Jim Lawler's second article on installing multiple TV outlets & Bryan Maher's article on electrical energy. We hope to publish these three items in the July 1991 issue of SILICON CHIP.