Silicon ChipOuter Back Cover - January 1989 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: The great dry battery recharging conspiracy
  4. Feature: The Goalkeeper Gatling Gun by Leo Simpson
  5. Feature: How to Service Car Cassette Players by Homer L. Davidson
  6. Subscriptions
  7. Vintage Radio: Troubleshooting the transformers by John Hill
  8. Project: Ultrasonic Proximity Detector for Cars by John Clarke & Greg Swain
  9. Project: A Line Filter For Your Computer by Leo Simpson
  10. Project: 120 Watt Public Address Amplifier, Pt.2 by Leo Simpson
  11. Serviceman's Log: Copping it right in the neck by The Original TV Serviceman
  12. Feature: The Way I See It by Neville Williams
  13. Project: Simple Computer Sound Repeater by Leo Simpson & John Clarke
  14. Feature: Amateur Radio by Garry Cratt, VK2YBX
  15. Feature: Kit Clinic & the UHF Remote Switch by John Clarke
  16. Feature: The Evolution of Electric Railways by Bryan Maher
  17. Back Issues
  18. Market Centre
  19. Advertising Index
  20. Outer Back Cover

This is only a preview of the January 1989 issue of Silicon Chip.

You can view 38 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:
  • 120 Watt Public Address Amplifier (December 1988)
  • 120 Watt Public Address Amplifier, Pt.2 (January 1989)
Articles in this series:
  • The Way I See It (November 1987)
  • The Way I See It (December 1987)
  • The Way I See It (January 1988)
  • The Way I See It (February 1988)
  • The Way I See It (March 1988)
  • The Way I See It (April 1988)
  • The Way I See It (May 1988)
  • The Way I See It (June 1988)
  • The Way I See it (July 1988)
  • The Way I See It (August 1988)
  • The Way I See It (September 1988)
  • The Way I See It (October 1988)
  • The Way I See It (November 1988)
  • The Way I See It (December 1988)
  • The Way I See It (January 1989)
  • The Way I See It (February 1989)
  • The Way I See It (March 1989)
  • The Way I See It (April 1989)
  • The Way I See It (May 1989)
  • The Way I See It (June 1989)
  • The Way I See It (July 1989)
  • The Way I See It (August 1989)
  • The Way I See It (September 1989)
  • The Way I See It (October 1989)
  • The Way I See It (November 1989)
  • The Way I See It (December 1989)
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)
Articles in this series:
  • Kit Clinic & The 100W Power Module (December 1988)
  • Kit Clinic & the UHF Remote Switch (January 1989)
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)
A AMATEUR LINE-UP m z VHF UHF Kenwood's amateur ·lineup for 1988 incorporates the latest developments in communications technology. Superior front end specifications are accompanied by the latest developments in transmitter design. Automatic antenna tuning and advanced digital & microprocessor technology make these the easiest to operate Kenwoods ever. Personal computer control is available on several models. HF TH-215A TH-415A MISC. FM Handheld ll'ans• celvers. Transmitters: Frequency Range: 144148MHz (TH-215) 430440MHz (TH -41 5). Output: 5W/0.5W (Hi/ low). Receiver: 141 163MHz (TH-215) 430440MHz. Scan modes include band, memory and programmable band scans with 3 scan stop modes. Power requirements: 7.2-16V/ 2.0A ma<. TR-751A TR-851A All-mode ll'anscelvers. Frequency Range: TR-751 A: 144148MHz TR-85 1A: 430-440MHz Transmitter: SSB/CW/FM modes. Output: 25W Receiver sensitivity· less than 0.11uV (TR-851A) Features incl ude: Auto-mod e selection, dual d ig ital VFOs, 1O memories plus "COM" channel. Optional Dig ital Channel Link System. Power req.: 13.BV ±1 5% 7.5A max HF ER STATION MONITOR SM-220 Based on a wide-frequency range oscilloscope, it combines a two tone generator, a wide variety of waveform observing capabilities HF LINEAR AMPLIFIER TH-25A TH-45A FM Handheld ll'ans• ceivers. Frequency range : TH-25: 144148MHz TH-45: 430440MHz. Output: 5W. Receiver sensitivity: less than 0 .16uV (TR-25). 14 multi-function mem- TS-940S Competition Quality HF ll'anscelver. Transmitter: SSB, CW, AM, FM and FSK. 160-1 0 metres bands. Output 250W PEP. Automatic antenna tuner. Receiver· 150kHz30MH z continuous. 40 memories, programmable and band sc ans. Power req uirement: 240VAC, 50/ 60Hz g:~d;ca~:i~ern r:~~ 8 8 6.0-1 6VDC/ 1.2A max TM-721A Dual band FM Transceiver with across band duplex. New for 1988, with dual watch, selectable full duplex c ross band operation, automatic band change, 30 memory channels. Tran smitter: Frequency Range: 144-1 48MHz/430440MHz. Output 45W (VHF) 35W (UHF) Receiver sensitivity : 0.16uV (UHF) RECEIVERS Compact HF ll'anscelver. Transmitter: SSB/CW/FM/AFSK. 160-10 metre bands. Output 200W PEP. Optional automatic antenna tuner. Receiver: 100kHz-30MHz continuous. Power requ irement : 1216VDC/20A max 1.8-S0MHz ' -,.,..-.~ ~.ooow ANTENNA TUNER All-mode ll'anscelvers. Transmitters: modes SSS/CW/FM. Frequency range: TS-711 : 144-148MHz TS-811 : 430-440MHz. Output: 25W. Receiver sensitivity: less than 0 .2uV (TS-811) Features include: 40 multi-function memories , programmable band scan and memory scan plus prog rammable memory channel lockout. Power req .: 240VAC, 13 .BV DC/8.0A max. AT-250 R-5000 Communications Receiver. The R-5000 is a competition class communications receiver. It receives all modes (SSS, CW, AM, FM , FSK) . Frequency cove rage is 100kHz to 30MHz in 30 bands. Selectable IF filters and d ual-mode noise blanking are incorporated . Power requirements : 240VAC or 13.BV DC. Optional automatic antenna tuner for the TS-680S. Features full coverage of 160-10 metres. Insertion loss less than 0.BdS. Through power 150W. REMOTE CONTROL HANDSET - 1[;;; ': __~ ~~-~ ~ " 41ffr1f(< - !!!, ~ A class AS 2 g rounded-grid linear amplifier. Covers 160-1Orn for SSB, CW and RTTY modes. Driye Power: BOW for fu ll output. RF Input Power: PEP (SSS) TS-711A TS-811A TS-440S " TL922 - ~ ...;,;., ,. , ' , ~ """"' ,. TS-680S High performance HF & 6 metre Transceiver. Transmitte r: SSB/CW, AM and FM modes. 160-6 metre bands. Output 1DOW PEP ( 1601Orn) 1OW (6m). Receiver: 500kHz30MHz continuous. fv\emory scan/ band scan. Power req .: 12-16VDCi 20A max TM-221 TM-421 FM Mobile Transceivers. Transmitters: Frequency . range 144148MHz (TR221 ) 430-440MHz (TR42 1). Output: 45W (TM -221) 35W (TM-42 1). Low power switc h to 5W. Receiver: Frequency Rang e 130173.995MHz (TR-221) 438449.995MHz (TR421 ). Sensi tivity less than 0. 16uV. Power requirements: 13.BVDC ± 15%/9.5A max. KENWOOD ELECTRONICS AUSTRALIA PTY. LTD. 4E WOODCOCK PLACE, LANE COVE, SYDNEY, N.S.W., 2066. Ph. (02) 4281455. YOUR AUTHORISED KENWOOD DEALER, BELOW, WILL GUARANTEE SATISFACTION: Further, beware of dealers not listed in th is advertisement who are selJing Kenwood communications equipment. All Kenwood products offered by them are not suppl ied b y Kenwood Australia Pty. Ltd . and have no guarantees appl icable . RZ-1 Wide Band Receiver. The RZ-1 covers 500kHz-905MHz. Features include: AM and FM reception, 100 easy to operate multi-function memory channels. Scan modes include VFO scan and memory scan plus programmable channel lockout. Power requirements: 11-16V DC/ 1Amax. Connects to mod els TM-221, TM -421 , TM -721 . Provides all func tions on the front panel. Will link togetner models TM-22 1/TM-421 . NSW: Sydney, Emtronics (02 ) 211 0988 ; Parramatta, Captain Communications (02) 633 4333 ; lnverell, Reg Stockman Communications (067) 22 1303; Cessnock, Robertson Electron ics (049) 90 7908 ; Wollongong , Macelec Pty. Ltd . (042) 29 1455; Port Macquarie, DX Engineering (065) 84 9922; Lismore, Frank Boundy (066) 86 2145; ACT: O'Connor, Alex Johnson (062) 47 91 25; VIC: Moorabbin, Measure-Tech Supplies Pty. Ltd . (03)553 4566 ; Melbourne, Emtronics (03) 670 0330; Ballarat, Brian Stares (053) 39 2808 Bendigo, Su mner Electronics (054) 43 1977 TAS : Hobart, Watsons Wireless (002) 34 4303; Launceston, Marine & Communication (003) 31 2711 , Burnie, VK. Electronics (004) 31 7733 OLD: Albion, Mitchell Radio Co. (07) 357 6830; Brisbane, Emtronics (07) 394 2555 SA & NT: Port Adelaide, International Communications Systems Pty Ltd (08) 47 3688 WA : Victoria Park, Willis Electronics (09) 4 70 1118; Ferndale, Bay Radio (09) 451 356 1; Osborne Park, Ford Electron ics (09) 242 1766