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RANGER 811H

LINEAR AMPLIFIER

Operating Manual

WiMo Antennen und Elektronik GmbH

Am Gäxwald 14, D-76863 Herxheim Tel. (07276) 96680 FAX 6978

http://www.wimo.com e-mail: [email protected]

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Summary of Contents for RANGER 811H

Page 1: ...RANGER 811H LINEAR AMPLIFIER Operating Manual WiMo Antennen und Elektronik GmbH Am Gäxwald 14 D 76863 Herxheim Tel 07276 96680 FAX 6978 http www wimo com e mail info wimo com ...

Page 2: ...onnecting an antenna or 50ohm dummy load e Check that the front panel switches of the amplifier are switched to STBY and OFF CONNECTIONS Connect the amplifier as follows a Switch your HF transceiver OFF b Connect a suitable antenna or dummy load to the amplifier SO239 OUTPUT ANT socket or to a suitable POWER METER which is connected to an antenna or dummy load c Connect a coaxial cable from the tr...

Page 3: ...r d Switch the amplifier STBY OP switch to OP operate rotate the TUNE and LOAD controls for maximum RF output using your external power meter or using the RF OUT meter on the amplifier e Your external Wattmeter should now show approx 400W f Switch your transceiver to full power i e 100W and immediately peak the TUNE and LOAD controls for maximum RF output g The ALC can now be used to set the desir...

Page 4: ... tuning up meter sensitivity is set up by the RF SET knob READY LED Shows that the amplifier is switched on and is ready to operate ON AIR LED Indicates that the amplifier is in the transmit mode and has been operated from the transceiver ALC CONTROL The ALC circuit is controlled from the front panel the OFF position is fully anti clockwise The amplifier will deliver full output when the ALC switc...

Page 5: ...o driver ANT SO239 connector coaxial connection to antenna PTT Phono socket when earthed via the transceiver puts the amplifier into the transmit mode as long as the STBY TX switch is in the TX position ALC Phono socket connect to the ALC socket on transceiver EARTH Connect to a suitable external earth WiMo Antennen und Elektronik GmbH Am Gäxwald 14 D 76863 Herxheim Tel 07276 96680 FAX 6978 http w...

Page 6: ...gned around the much improved 811A valve Operation design is for the 1 8 3 5 7 10 14 18 21 24 28 MHz amateur bands RF UNIT This is a conventional high Q Pi tank design which gives good harmonic attenuation with very little through loss of RF RF INPUT A separate tuned circuit is selected on each frequency band to keep harmonics suppressed and to give your transceiver a good 50 ohm input load while ...

Page 7: ...11H amplifier 1 HIGH VOLTAGE which is 1700Volts the main voltage applied to the valve anodes 2 HEATER SUPPLY is 6 3V supplied from the toroidal transformer 3 CONTROL VOLTAGE is 12 Volts used for pulling in the TX RX relay and gives the LED the control condition of the amplifier ...

Page 8: ...Hz 24 0 30 0 MHz Covering all the WARC bands MAINS SUPPLY 220 240 Volts AC 50Hz DRIVE POWER 0 100 Watts RF OUTPUT SSB 100W Drive 800W output 40W Drive 400W output RF OUTPUT RTTY 50W Drive 300W RMS continuous RF OUTPUT CW 100W Drive 800W FRONT PANEL CONTROLS Mains ON OFF Standby Operate switch Band change switch ALC control Tune control Load control RF set control RF Grid switch ...

Page 9: ...ET Charcoal grey with matching front panel SIZE Overall dimensions including feet rear fan and front panel knobs W 14in H 9 5in D 16in 355mm 240mm 405mm WEIGHT 25kg WiMo Antennen und Elektronik GmbH Am Gäxwald 14 D 76863 Herxheim Tel 07276 96680 FAX 6978 http www wimo com e mail info wimo com ...

Page 10: ...t Carefully read the operating manual This warranty does not apply to any defect Linear Amp UK Ltd determines is caused by 1 improper maintenance or repair including the installation of parts or accessories that do not conform to the quality and specification of the original parts 2 misuse abuse neglect or improper installation 3 accidental or intentional damage 4 acts of God Linear Amp UK Ltd is ...

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