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OM 3x2000A

Outstanding HF Power Products

HF POWER SPLITTER/COMBINER FOR 3 AMPLIFIERS

Summary of Contents for 3x2000A

Page 1: ...ACOM 3x2000A Outstanding HF Power Products HF POWER SPLITTER COMBINER FOR 3 AMPLIFIERS ...

Page 2: ... 1 5 Safety Considerations Explicit Definitions 3 2 INSTALLATION 4 2 1 Unpacking and Initial Inspection 4 2 2 Preparing of the system units 4 2 3 Mounting of the rack option 4 2 4 Connections 4 3 OPERATION 7 4 MAINTENANCE 7 4 1 Cleaning 7 4 2 The ACOM3x2000A Simplified Schematic Diagram 8 4 3 Troubleshooting 8 5 SPECIFICATIONS 8 6 STORAGE AND SHIPMENT 8 ...

Page 3: ... tuning indicator like ACOM1200 ACOM1000 ACOM1010 or ACOM1011 can be used too All these models use a broadband input network which sets minimum phase differences between the units An automatic protection circuit is implemented in the ACOM3x2000A which monitors the three amplifier outputs during operation In case of an imbalance the protection trips thus cutting the drive to the amplifiers and swit...

Page 4: ...s with high RF voltages up to 1000V which can cause serious burns Do not open the device during the operation W A R N I N G HIGH VOLTAGE Never allow anyone ESPECIALLY CHILDREN to push anything into holes in the case this will cause electric shock NEVER TOUCH AN ANTENNA during transmission this may result in an electric shock or burn NEVER EXPOSE the splitter combiner to rain snow or any liquids AV...

Page 5: ...mplifier for the needed output Add some overhead due to the losses in the system For instance ACOM2000A requires about 60W drive therefore the transceiver should be able to put out 200 W for full output 2 3 Mounting of the rack option W A R N I N G If you use the rack option be sure to first place an amplifier on the lowest rack level in the following manner Release the two drawer latches on the r...

Page 6: ...utputs to the splitter combiner PA1 OUTPUT PA2 OUTPUT and PA3 OUTPUT receptacles B Connect the three supplied 1 5m RG58 coaxial cables with PL 259 plugs from the amplifiers inputs to the splitter combiner PA1 INPUT PA2 INPUT and PA3 INPUT receptacles C Connect the three supplied 1 5 m RCA connector cables from the amplifiers KEY IN sockets to the splitter combiner KEY IN 1 KEY IN 2 and KEY IN 3 so...

Page 7: ...ect it to the KEY IN jack as shown on fig 2 3 Otherwise connect the supplied 3 m RCA cable from the transceiver socket providing ground on transmit to the splitter combiner KEY IN jack Transceiver producers give different names to this output and they are for instance TX GND SEND T R LINE AMPL etc Some transceivers require that ground on transmit is implemented via a software command or by changin...

Page 8: ...tween 10 and 20 W continuous CW drive from the transceiver The tuning will be completed in few seconds and simultaneously the splitter combiner protection will trip Remove the drive power and press RESET button on the splitter combiner front panel Repeat the same steps successively on the second and the third amplifier The same procedure should be applied on every frequency segment antenna combina...

Page 9: ...z continuously no tunings no switching maximum output mismatch up to 2 1 at reduced output see b above d Primary Power 100 240V via a 12V wallwart adapter supplied e Size Weight operating W210mm x D325mm x H195mm 6 4 kg f Operating environments temperature range 0 50 degs Celsius humidity up to 95 35 degs Celsius 6 STORAGE AND SHIPMENT C A U T I O N a Storage environments the splitter combiner can...

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