SGC SMARTPOWERCUBE SG-500 User Manual Download Page 1

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SGC, 13737 SE 26

Street Bellevue, WA 98005 USA • Ph: 425-746-6310, Fx: 425-746-6384, Email: [email protected]

www.sgcworld.com

SGC RESERVES THE RIGHT TO CHANGE SPECIFICATIONS WITHOUT NOTICE

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SG-500 SMARTP OWERCUBE™

LINEAR P OWER AMPLIFER

User’s Manual

Summary of Contents for SMARTPOWERCUBE SG-500

Page 1: ...evue WA 98005 USA Ph 425 746 6310 Fx 425 746 6384 Email sgc sgcworld com www sgcworld com SGC RESERVES THE RIGHT TO CHANGE SPECIFICATIONS WITHOUT NOTICE Copyright SGC 2007 SG 500 SMARTPOWERCUBE LINEAR...

Page 2: ...Feed Lines Page 4 4 2 1 Coaxial Cable and Routing Tips Page 5 5 0 Power Supplies Page 5 5 1 Battery Power Supplies Page 5 5 2 Alternative Power Sources Page 5 6 0 Front Panel Description Page 6 6 1 RF...

Page 3: ...d in this manual Never operate the unit with hits protective cover removed nor attempt to modify its original circuit design and construction Doing so may cause malfunctions and void the warranty Ensu...

Page 4: ...unit with all circuit assemblies encased within the massive die cast alloy chassis heatsink PTT Keying Mode and Band Output Filter Selection can be enabled automatically or by manual control Band swit...

Page 5: ...mend the use of high quality linear power supplies designed for RF applications We strongly advise against the use of a switched mode power supply for high RF application Permanent damage to the power...

Page 6: ...sharp edges to reduce the possibility of corona discharge a condition that causes the area around the antenna to glow with bluish white light Corona is a very dangerous condition and may lead to fire...

Page 7: ...solderless type plugs 5 0 Power Supplies Please read the power supply warning at the front of the manual The SG 500 is designed to be powered from high quality 14 0 VDC power supply providing adequate...

Page 8: ...s Connect your station antenna coupling or tuning device or manual matching network to the RF OUT jack and the coax jumper from the exciter transceiver to the RF IN jack Warning Do not operate the SG...

Page 9: ...ly when push to talk PTT is engaged CURR Warns that over current condition exceeding 100 A exists or if the current imbalance between amplifier modules exceeds 20 When illuminated the amplifier has tr...

Page 10: ...iency occurs when the SG 500 is driven across the low input range just below the point where the attenuator circuit is activated ALC ALC control provides adjustable ALC feedback voltage available via...

Page 11: ...on both the amplifier and power supply The screws should be firmly tightened so that the cable lug terminals are flat against the strip for best mechanical and electrical contact Ensure the amplifier...

Page 12: ...eiver for details on where to access this connection Note In manual PTT and Auto Filter mode there will be a 10 15 msec delay while the CPU measures the frequency and selects the correct filter band A...

Page 13: ...und connection on the lower pin Leave the front panel on off switch in the ON position to enable your remote line in this configuration 7 5 DOMESTIC vs EXPORT Amplifier Versions Amplifiers manufacture...

Page 14: ...Ensure antenna is resonant 2 1 SWR at the desired operating frequency Check proper interconnection and operation of the SG 235 or manual matching network TEMP LED flashing Reduce drive level or duty...

Page 15: ...and adjust the transmitter output power level to 40 watts 4 Turn on the SG 500 and transmit Confirm that a CURR VOLT fault does or does not occur 5 If a fault occurs use an analog DC voltmeter to mea...