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User Manual

CO1-2 Combiner

Page 14 of 36

3. USE OF THE COMBINER

3.1 Block Diagram.

Because of the simplified structure there is no RF switching, and therefore it is not
necessary to connect to the PTT of the transceiver.
The essential part of the Combiner contains exclusively passive elements; active
components are only used in the interfaces (see previous chapter).

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Summary of Contents for CO1-2

Page 1: ...CO1 2 4KW COMBINER 1 8 54 MHz USER MANUAL Rev 1 1 ...

Page 2: ... 3 3 Interconnection WITH Expert Amplifiers 16 Connection with one transceiver 16 Connection with two transceivers 18 3 4 PORT Cable 20 3 5 CAT Cable 21 3 6 CAT ALC PTT cables without PC 23 PTT ALC CAT RS 232 cables 24 PTT ALC CAT TTL Yaesu cables 24 PTT ALC CAT TTL Kenwood cables 25 PTT ALC CAT BAND DATA cables 25 3 7 CAT ALC PTT cables with PC 26 PTT ALC CAT Icom CI V cables 26 PTT ALC CAT RS 23...

Page 3: ... use of the internal ATU and the ability to select up to six antennas see chapter 3 3 The Combiner CO1 2 optimizes the investment of the station as it allows the increase of the power in successive steps whilst still maintaining the two separate amplifiers available for DXpeditions or field days The device is not managed by software so no upgrading will ever be necessary IMPORTANT Before installin...

Page 4: ...ING Before powering up the device check the value of the power supply which must be compatible with the device WARNING DO NOT use the device before you have connected it to the protective earth WARNING DO NOT allow metal objects or wires to penetrate inside the appliance WARNING DO NOT obstruct the front and rear air intakes of the unit ENSURE that no objects impede the correct functioning of the ...

Page 5: ...ipment and Used Batteries These symbols on the products packaging and or accompanying documents mean that used electrical and electronic products and batteries should not be mixed with general household waste For proper treatment recovery and recycling of old products and used batteries please take them to the relevant collection points in accordance with your national and local legislation The us...

Page 6: ... is recommended to keep the shipping cartons and packing materials for future transportation Accessories included in the carton a Spare air filter b 1 x Power Supply connector c 1 x DB 9M connector d 1 x DB 15M connector e Kit PORT Cable CAT Cable 2 x COMBINER Cables 2 x SPLITTER Cables option see page 9 f CD ROM containing the user manual and the software for remote use g Warranty card h 1A Fuse ...

Page 7: ...e power dissipated in the balancing resistor 3 Alarm when 700 W imbalance is reached 4 Led bar of the balancing resistance temperature 5 Balancing resistance temperature alarm 6 Hardware alarm or alarm of non synchronism between the amplifiers 7 Indicates that the Combiner is ON 8 ON button 9 Turns off the Combiner or Resets an Alarm ...

Page 8: ...INER Cable 4 Fans 5 To be connected to the input of an amplifier SPLITTER Cable 6 To be connected to the input of the other amplifier input SPLITTER Cable 7 To be connected to the antenna connector of the transceiver 8 GND 9 PORT OUT to control the Antenna Switch if in use 10 REMOTE for remote control if in use 11 PORT IN to be connected with the respective PORT of the two Expert amplifiers for sy...

Page 9: ... used for this purpose It is recommended to terminate the earth connection with a small metal plate The best solution is to have several ground stakes driven into the ground and these ground stakes also need to be tied to your main grounds Good results can often be achieved by using correct earthing clamps connected to the main water supply pipe note many water pipes are now made out of plastic DO...

Page 10: ...his cable is necessary in order for the Combiner to function properly This connector is not used with non Expert amplifiers Pin Number Pin Name Description 1 12 V DC_1 Present when amplifier 1 is ON input 6 12 V DC_2 Present when amplifier 2 is ON input 2 GND GND 7 BIT A_1 BIT A of the antenna set in amplifier 1 3 BIT A_2 BIT A of the antenna set in amplifier 2 8 BIT B_1 BIT B of the antenna set i...

Page 11: ...na Switch if present This connector is not used with non Expert amplifiers if you have an external manual switch or a single antenna Pin Number Pin Name Description 1 BIT A BIT A relates to the number of the antenna in use open collector 6 BIT B BIT B relates to the number of the antenna in use open collector 9 BIT C BIT C relates to the number of the antenna in use open collector 5 GND GND 2 NC 3...

Page 12: ...cription 1 13 8 V DC To supply power to an external device 0 2 A max 9 GND GND 2 COM Relay contacts to indicate the ON status 10 N C 3 N O 11 COM Relay contacts to indicate the Alarm status generic 4 N C 12 N O 5 ON Button or external contact for ON function 13 ON 6 OFF RESET Button or external contact for OFF RESET function 14 OFF RESET 7 AL HW Synchronization alarm open collector 15 AL UNBAL Unb...

Page 13: ...with optical and acoustic indication and repeated in the REMOTE connector When an alarm occurs the Combiner stops working immediately and the transceiver is connected to an internal 250W dummy load as a precaution After alleviating the problem press the OFF RESET key to restore operation ...

Page 14: ...gram Because of the simplified structure there is no RF switching and therefore it is not necessary to connect to the PTT of the transceiver The essential part of the Combiner contains exclusively passive elements active components are only used in the interfaces see previous chapter ...

Page 15: ...connectors 1 and 2 WARNING it is absolutely necessary that the two cables are of exactly equal lengths and are of the same make and model Use cables that are suitable for adequately handling the power involved The GND and 13 8 V DC connections must also be made The PORT IN and PORT OUT connectors must not be used ATTENTION When using non Expert amplifiers it is recommended that the two amplifiers ...

Page 16: ... Interconnection WITH Expert Amplifiers Connection with one transceiver The connection diagram between Combiner and two Expert 1 3K FA or two Expert 1 3K FA is shown For the connection with two Expert 2K FA or two Expert 1K FA refer also to chapter 4 1 ...

Page 17: ...anual CO1 2 Combiner INDICE Page 17 of 36 To simplify the understanding refer to the example photo and drawing of the complete connections between two 1 5K FA Experts Combiner Transceiver Remote Switch and PC ...

Page 18: ...ifier can be connected directly to the extension of the supplied Y cable connector DB 15F If there are also cables with RCA connectors just keep their existing connection with one of the two amplifiers This solution makes installation very easy and quick In the absence of a previous installation old CAT cable missing it is necessary to build a new cable the following two options are possible a For...

Page 19: ...either the first or of the second amplifier taking the 12 Vdc pin 15 and EN2 pin 12 Since EN2 is an open collector if you decide not to use the 12 Vdc provided by the linear it is advisable not to exceed 40 Vdc 80 mA In any other case use a servo relay The use of a diode in parallel with the relay coil is mandatory ...

Page 20: ...ssential when using two Expert amplifiers see point 5 of the previous paragraph If the distances between the amplifiers and the Combiner are greater than the standard cable length you can proceed as follows a Build an extension for the part of the cable to be extended b Build a new cable with the right lengths All according to the following diagram ...

Page 21: ...Connection cable between the CAT 1 and CAT 1 of each of the Expert amplifiers This cable is essential when using two Expert amplifiers see point 6 of the previous paragraph General reference diagram for cable design CAT Cable CAT to be chosen in the kit see page 9 ...

Page 22: ...A to be chosen in the kit see page 9 If the distances between the amplifiers and the Combiner are greater than the standard cable length you can proceed as follows a Build an extension for the part of the cable to be extended b Build a new cable with the right lengths ...

Page 23: ...orrect interfacing PTT ALC CAT Icom CI V cables This interface is standard for all Icom models equipped with CAT the cable always ends with a 3 5 mm mono plug It is also possible to use a stereo plug as shown in the diagram The plug is inserted into the Remote connector of the transceiver Set CI V Output for ANT ON if present on its menu Set CI V Transceive ON in the transceiver menu The PTT and A...

Page 24: ...User Manual CO1 2 Combiner INDICE Page 24 of 36 PTT ALC CAT RS 232 cables PTT ALC CAT TTL Yaesu cables ...

Page 25: ... CO1 2 Combiner INDICE Page 25 of 36 PTT ALC CAT TTL Kenwood cables PTT ALC CAT BAND DATA cables In the absence of CAT the band is controlled by four digital signals Band A Band B Band C Band D see specific manual ...

Page 26: ...for any hardware fault resulting from incorrect interfacing PTT ALC CAT Icom CI V cables This interface is standard for all Icom models equipped with CAT the cable always ends with a 3 5 mm mono plug It is also possible to use a stereo plug as shown in the diagram The plug is inserted into the Remote connector of the transceiver Set CI V Output for ANT ON if present on its menu Set CI V Transceive...

Page 27: ...User Manual CO1 2 Combiner INDICE Page 27 of 36 PTT ALC CAT RS 232 cables PTT ALC CAT TTL Yaesu cables ...

Page 28: ...User Manual CO1 2 Combiner INDICE Page 28 of 36 PTT ALC CAT TTL Kenwood cables ...

Page 29: ...rs is constantly monitored by the Combiner and if for some reason it is lost an alarm is immediately issued chapter 2 7 This unique feature is achieved by using the PORT CABLE The CAT and ALC connections are strongly recommended as they are of fundamental importance for the correct functioning of the Combiner The CAT allows for the perfect band frequency synchronization of the two amplifiers even ...

Page 30: ...e corresponding key in the keypad for common commands see chapter 6 3 Switch to transmission with the exciter in RTTY or FM the two ATUs will move separately and independently until they stop at the SWR minimum for both In some cases the adjustment can be improved by starting again from point 2 or by going to MANUAL TUNE very rare case 4 Repeat the previous points for all the sub bands of the band...

Page 31: ...eaning of the fans with a soft brush is also recommended To clean the filter a Remove the front grid cover with the two small screws Place small screws in a secure place DO NOT LOSE THEM b Remove the filter and clean it with care c Reassemble the filter and the grid after having carefully cleaned the mechanical structure that holds them Dry filter before re installing Note Check the filter if an u...

Page 32: ...the display and keyboard of each amplifier but it is also possible to load each new software release individually There is also a keypad which allows the operator to simultaneously send the same command to both amplifiers The above picture shows a The keypad that allows simultaneous sending of commands b The two displays c The reduced keyboards related to each amplifier please note that you can al...

Page 33: ...anted For any clarification see the chapter APPENDIX Remote Control of the user manual and more specifically the paragraphs Software Installation Use of Term_USB exe 6 2 Selective Addressing To use the XTerm_CO1_2_USB it is necessary to associate each of the two Experts with a different relative address to a well defined USB port of the PC This setting based on a simple self recognition maneuver m...

Page 34: ...ghted in the picture above in order to start acquiring the characters of the ID string via the USB connection guided self recognition procedure If there are more FT232RL connections to the system through direct connection or via USB hub refer to the amplifier manual When this operation has been completed successfully disconnect the USB connection of the first amplifier and connect the other amplif...

Page 35: ...pleted with the delivery of the goods to the carrier specified by the Purchaser or failing that to the carrier chosen by SPE The products will travel at the risk of the Purchaser even if at the request of the same one or for other causes SPE should carry out transport or choose the carrier If the original Purchaser finds some defects after having received the equipment he must immediately notify t...

Page 36: ...nd no claim for incidental or consequential damages It is mandatory when sending SPE equipment to be repaired to enclose Invoice of the original purchase Document of the second purchase if any Particular agreements between retailer and Purchaser or particular obligations imposed in other countries are matters for the local retailer and not for SPE In the event of dispute Rome s court of competent ...

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