SGC Smartuner SG-239 Manual
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SGC Smartuner SG-239 Manual

Antenna coupler
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SG-239
TM
Smartuner
Manual
Cat. #54-22
October 2001

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Summary of Contents for SGC Smartuner SG-239

  • Page 1 SG-239 Smartuner Manual Cat. #54-22 October 2001...
  • Page 2 The company keeps pace with equipment options, en- gineering developments, and design requirements. Its products are the most competitive in the entire long distance communi- cation market. SGC equipment is presently being used by the United Nations for inter-communications in developing coun- tries throughout the world.

  • Page 3: Table Of Contents

    13.0 Smartuner™ Comparison Charts………………….. 34 This manual is produced as a guideline for the SG-239 antenna coupler. Perform- ance and results may vary and SGC does not warrant any installation or any result. This manual is subject to change without notice.
  • Page 4 S1 and pushbuttons S2-S8. Mailing: PO Box 3526, Bellevue, WA 98009 Shipping: 13737 SE 26th St., Bellevue, WA 98005 Toll-Free: 800-259-7331 • Phone 425-746-6310 • Fax: 425-746-6384 www.sgcworld.com • Email: sgc@sgcworld.com © 2001 SGC, Inc.

  • Page 5: Specifications

    Specifications SG-239 HF Frequency Range: 1.8-30 MHz Power Input Range: 1.5-200 watts (PEP) Or CW duty cycle 40% Number of channels: unlimited Revolving memory bins: 165 TX; 5 RX Input Impedance Range: .2-5000 ohms VSWR: (Typical) Typically less than 2:1 DC Input Requirement: +13.8 VDC (nominal) DC Operating Range: +10 to 18.5 VDC...

  • Page 6: Supplied Items

    Although the Smartuner is built very solidly, it is good installation practice to provide additional protection from the elements. SGC makes the following recommendations: 2.1 Marine Mounting The Smartuner should be located inside the house or under the aft lazaret on a sailboat installed in a waterproof case.

  • Page 7: Direct Weather Protection Installations

    The Hold/Reset terminal is to be reconnected to the SmartLock option if used. Mailing: PO Box 3526, Bellevue, WA 98009 Shipping: 13737 SE 26th St., Bellevue, WA 98005 Toll-Free: 800-259-7331 • Phone 425-746-6310 • Fax: 425-746-6384 www.sgcworld.com • Email: sgc@sgcworld.com...

  • Page 8: Tuning Process

    0 to 5v range, then fed to the processor's A to D converter port, and used within the micro-controller. Mailing: PO Box 3526, Bellevue, WA 98009 Shipping: 13737 SE 26th St., Bellevue, WA 98005 Toll-Free: 800-259-7331 • Phone 425-746-6310 • Fax: 425-746-6384 www.sgcworld.com • Email: sgc@sgcworld.com © 2001 SGC, Inc.

  • Page 9: Vswr Detector

    When the Mailing: PO Box 3526, Bellevue, WA 98009 Shipping: 13737 SE 26th St., Bellevue, WA 98005 Toll-Free: 800-259-7331 • Phone 425-746-6310 • Fax: 425-746-6384 www.sgcworld.com • Email: sgc@sgcworld.com...

  • Page 10: Initialization

    Mailing: PO Box 3526, Bellevue, WA 98009 Shipping: 13737 SE 26th St., Bellevue, WA 98005 Toll-Free: 800-259-7331 • Phone 425-746-6310 • Fax: 425-746-6384 www.sgcworld.com • Email: sgc@sgcworld.com © 2001 SGC, Inc.

  • Page 11: Tuning Process And Options

    When DC power is applied, the computer initializes the processor reg- isters in accordance with the hardware. All tuning elements are then Mailing: PO Box 3526, Bellevue, WA 98009 Shipping: 13737 SE 26th St., Bellevue, WA 98005 Toll-Free: 800-259-7331 • Phone 425-746-6310 • Fax: 425-746-6384 www.sgcworld.com • Email: sgc@sgcworld.com...
  • Page 12 VSWR could not be found. After the indicators stop blinking, Mailing: PO Box 3526, Bellevue, WA 98009 Shipping: 13737 SE 26th St., Bellevue, WA 98005 Toll-Free: 800-259-7331 • Phone 425-746-6310 • Fax: 425-746-6384 www.sgcworld.com • Email: sgc@sgcworld.com © 2001 SGC, Inc.

  • Page 13: Tuning Paths

    3. The program will continue to increment the series inductance in .125 µH steps—each time normalizing the input impedance with Mailing: PO Box 3526, Bellevue, WA 98009 Shipping: 13737 SE 26th St., Bellevue, WA 98005 Toll-Free: 800-259-7331 • Phone 425-746-6310 • Fax: 425-746-6384 www.sgcworld.com • Email: sgc@sgcworld.com...

  • Page 14: Antenna Too Long

    If in band operation is typical and duplex or sim- Mailing: PO Box 3526, Bellevue, WA 98009 Shipping: 13737 SE 26th St., Bellevue, WA 98005 Toll-Free: 800-259-7331 • Phone 425-746-6310 • Fax: 425-746-6384 www.sgcworld.com • Email: sgc@sgcworld.com © 2001 SGC, Inc.

  • Page 15: Jp3-Tune From Memory

    50 ohms or less. When off, the impedance is greater than 50 ohms. Mailing: PO Box 3526, Bellevue, WA 98009 Shipping: 13737 SE 26th St., Bellevue, WA 98005 Toll-Free: 800-259-7331 • Phone 425-746-6310 • Fax: 425-746-6384 www.sgcworld.com • Email: sgc@sgcworld.com...

  • Page 16: Optional Smartlock

    The SmartLock allows the operator to have additional control over the SG-239. It is not required for normal operation of the coupler. One can be purchased by SGC or made per the description of the schematic in paragraph 5.2. The SmartLock provides two basic func- tions: 1.

  • Page 17: Tune, Tune Lock, And Reset

    In this case, retuning is within normal operation of the coupler. Mailing: PO Box 3526, Bellevue, WA 98009 Shipping: 13737 SE 26th St., Bellevue, WA 98005 Toll-Free: 800-259-7331 • Phone 425-746-6310 • Fax: 425-746-6384 www.sgcworld.com • Email: sgc@sgcworld.com...

  • Page 18: Sg-239 Enhanced Features

    G. Momentarily depress ‘SAV’ (S2). Current memory bin has been erased. Mailing: PO Box 3526, Bellevue, WA 98009 Shipping: 13737 SE 26th St., Bellevue, WA 98005 Toll-Free: 800-259-7331 • Phone 425-746-6310 • Fax: 425-746-6384 www.sgcworld.com • Email: sgc@sgcworld.com © 2001 SGC, Inc.
  • Page 19 C. Select desired channel with S3 (Chan Up) and S8 (Chan Dn). Current channel selected is updated as switches are de- Mailing: PO Box 3526, Bellevue, WA 98009 Shipping: 13737 SE 26th St., Bellevue, WA 98005 Toll-Free: 800-259-7331 • Phone 425-746-6310 • Fax: 425-746-6384 www.sgcworld.com • Email: sgc@sgcworld.com...

  • Page 20: Do-It-Yourself Light Bulb Dummy Load

    Dummy loads for typical amateur powers (<500 watts) are relatively inexpensive and are readily available. Mailing: PO Box 3526, Bellevue, WA 98009 Shipping: 13737 SE 26th St., Bellevue, WA 98005 Toll-Free: 800-259-7331 • Phone 425-746-6310 • Fax: 425-746-6384 www.sgcworld.com • Email: sgc@sgcworld.com © 2001 SGC, Inc.
  • Page 21 (NEVER test with the transmitter set on an emer- gency frequency, such as 2182 KHz). SGC recommends that you build the light-bulb dummy load with the following parts (although we have made one with an old light fixture...

  • Page 22: Five Golden Rules Of Hf Installation

    * 100 watt radio transceiver * Any SGC Smartuner or equivalent RADIO TEST PROCEDURE 1. Connect the transceiver light bulb load to the radio RF in/out jack. 2. Turn on the radio and set the CW mode. 3. Key the PTT switch on the microphone and look at the light bulb. If the light bulb load is connected and the radio is transmitting, the light should turn on.
  • Page 23 Smartuner Antenna Coupler Manuals This manual is produced as a guideline for the SG-239 antenna coupler. Performance and results may vary and SGC does not warrant any installation or any result. This manual is subject to change without notice. Mailing: PO Box 3526, Bellevue, WA 98009 Shipping: 13737 SE 26th St., Bellevue, WA 98005...

  • Page 24: S T A N D A Rd Warranty

    SGC receives notice during the 1 year period, SGC, at its’ option, will repair or replace the product free of charge to the buyer. The buyer must contact SGC for a Return Material Authorization Number (RMA) and deliver the product back to SGC with this RMA number and written proof as to date of purchase.

  • Page 25: Component Location

    11.0 Component Location Mailing: PO Box 3526, Bellevue, WA 98009 Shipping: 13737 SE 26th St., Bellevue, WA 98005 Toll-Free: 800-259-7331 • Phone 425-746-6310 • Fax: 425-746-6384 www.sgcworld.com • Email: sgc@sgcworld.com...

  • Page 26: Schematics

    12.0 Schematics Mailing: PO Box 3526, Bellevue, WA 98009 Shipping: 13737 SE 26th St., Bellevue, WA 98005 Toll-Free: 800-259-7331 • Phone 425-746-6310 • Fax: 425-746-6384 www.sgcworld.com • Email: sgc@sgcworld.com © 2001 SGC, Inc.
  • Page 27 Mailing: PO Box 3526, Bellevue, WA 98009 Shipping: 13737 SE 26th St., Bellevue, WA 98005 Toll-Free: 800-259-7331 • Phone 425-746-6310 • Fax: 425-746-6384 www.sgcworld.com • Email: sgc@sgcworld.com...
  • Page 28 Mailing: PO Box 3526, Bellevue, WA 98009 Shipping: 13737 SE 26th St., Bellevue, WA 98005 Toll-Free: 800-259-7331 • Phone 425-746-6310 • Fax: 425-746-6384 www.sgcworld.com • Email: sgc@sgcworld.com © 2001 SGC, Inc.
  • Page 29 Mailing: PO Box 3526, Bellevue, WA 98009 Shipping: 13737 SE 26th St., Bellevue, WA 98005 Toll-Free: 800-259-7331 • Phone 425-746-6310 • Fax: 425-746-6384 www.sgcworld.com • Email: sgc@sgcworld.com...
  • Page 30 Mailing: PO Box 3526, Bellevue, WA 98009 Shipping: 13737 SE 26th St., Bellevue, WA 98005 Toll-Free: 800-259-7331 • Phone 425-746-6310 • Fax: 425-746-6384 www.sgcworld.com • Email: sgc@sgcworld.com © 2001 SGC, Inc.
  • Page 31 Mailing: PO Box 3526, Bellevue, WA 98009 Shipping: 13737 SE 26th St., Bellevue, WA 98005 Toll-Free: 800-259-7331 • Phone 425-746-6310 • Fax: 425-746-6384 www.sgcworld.com • Email: sgc@sgcworld.com...

  • Page 32: Important Notes

    SG-239 HF Smartuner™ Catalog Number 54-22 SPECIFICATIONS: ANTENNAS: Power (max): 200 Watts PEP or CW* Whip Power (typ): 1.5 Watt PEP or CW* Backstay (marine, sail) Range ≥9ft. Ant. 7-30MHz @ 100W Dipole centerfed Range ≥40ft. Ant. 3-30MHz @ 200W Dipole with feedline Range ≥100ft.
  • Page 33 Notes: Mailing: PO Box 3526, Bellevue, WA 98009 Shipping: 13737 SE 26th St., Bellevue, WA 98005 Toll-Free: 800-259-7331 • Phone 425-746-6310 • Fax: 425-746-6384 www.sgcworld.com • Email: sgc@sgcworld.com...

  • Page 34: Smartuner™ Comparison Charts

    SG-239 SG-237 SG-237 SG-237 SG-230 SG-231 SG-235 Porta Introduction Year 2001 1999 1999 1999 1987 1995 1992 SGC Catalog Number 54-22 54-19 54-18 54-20 54-12 54-17 54-15 Marine Commercial Radio Amateur Aviation Special Applications Portable Power Input Range 1.5-200 3-100...
  • Page 35 Cable(s) (NOTE: All Terminals SGC cable, 9 feet SGC cable, 9 ft coaxial 10 feet RG-58 power cable, SGC cable, 9 ft coaxial and couplers require RF and coaxial and two power and two power wire 10 feet RG-58 coax cable two power wire input, and 12 volt lines only.

  • Page 36: Selected Antenna Configurations

    Coupler Wire antenna steel bulkhead or overhead Strut to space out Wire antenna antenna with plastic Aviation tubing or fiberglass control Isolator Radio head Coupler Motor Vessel Installation This manual is available for download at www.sgcworld.com © 2001 SGC, Inc.

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