Acom 3x2000A Operating Manual Download Page 4

 

Broadband; 

Amplifier input ports isolated from each other; 

Amplifier output ports isolated from each other; 

Amplifier input ports isolated from output ports;  

Protection circuit guarantees safe operation of the transceiver and the three amplifiers. 

1-5. Safety Considerations, Explicit Definitions 

This operating manual contains information, precautions, indications for cautions and warnings which must be followed 

by the user to ensure safe operation and to keep the ACOM3x2000A in safe operating condition. 

 

PRECAUTIONS: 

The EXPLICIT DEFINITIONS described below apply to this operating manual: 

W A R N I N G

 notes call attention to a procedure which, if not correctly performed, could result in 

personal injury, fire hazard or electric shock. 

C A U T I O N

 notes call attention to a procedure which, if not correctly performed, could result in 

equipment damage, not only in the amplifier. 

N O T E 

notes call attention to a procedure which, if not correctly performed, could result in 

inconvenience. 

W A R N I N G  HIGH VOLTAGE!  

The splitter / combiner works 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. AVOID placing the splitter / combiner in excessively dusty 
environments or in direct sunlight. DO NOT OBSTRUCT AIR INTAKE  and EXHAUST 
(top cover) areas of the splitter / combiner. Keep a minimum distance of 10cm (4 

inches) to the intake and 15cm (6 inches) to the exhaust. 

W A R N I N G 

Do not undertake on your own repairs or changes in the splitter / combiner in order 
not to endanger your or other’s health and life and not to damage the device and the 
equipment connected with it, not covered by warranty. The manufacturer is not liable 

for another’s actions and responsibility shall be assumed by the doer.  

C A U T I O N  

To avoid damage (not covered under warranty) read the Installation - Section 2 of this operating 

manual carefully. If you have any doubts about the installation, operation or safety of the splitter / 

combiner, please consult your dealer. 

 

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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