OM POWER OM2500 A-F Instruction Manual Download Page 1 | Manualshive

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OM POWER OM2500 A-F Instruction Manual Download Page 1

Instruction Manual

OM2500 A-F

SHORTWAVE POWER AMPLIFIER

OM POWER, s. r. o. 930 30 Báč 126

SLOVAKIA

E-mail: [email protected]

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Summary of Contents for OM2500 A-F

Page 1: ...Instruction Manual OM2500 A F SHORTWAVE POWER AMPLIFIER OM POWER s r o 930 30 B 126 SLOVAKIA E mail om power om power com...

Page 2: ...Devices 8 4 INSTALLATION 8 4 1 Grounding 8 4 2 Coaxial Cable 9 4 3 I O Box and Interface 9 4 4 Main Supply 11 4 5 Cooling 12 4 6 Remote Control 12 5 OPERATION 12 5 1 Operation Elements 13 5 2 Configur...

Page 3: ...24 7 APPENDIX 25 7 1 Example of connection for ICOM 25 7 2 Example of connection for ELECRAFT 26 7 3 Example of connection with YAESU 27 7 4 Example of connection with Antenna switch and BPF 28 7 5 Ex...

Page 4: ...ds 1 8 29 7 MHz including WARC Power Output 1500w PEP continuous output all modes no time limit Input Power 40 to 60W for full output power Input Impedance 50 Ohm VSWR 1 2 1 Power Gain 15 dB Output im...

Page 5: ...cators Power output 50 LED Reflected power 20 LED Current at screen Ig2 10 LED Anode voltage anode current tuning 30 LED LED Indicators Current at control grid Ig1 2 LED WAIT preheating of tube 180 se...

Page 6: ...ad connected WARNING Before opening the upper lid of the amplifier make sure that power supply has been disconnected AT LEAST 10 minutes allowing the electrolytic capacitors to discharge fully Disconn...

Page 7: ...t circuit with an input impedance of 50 Ohms This adaptable input circuitry ensures a good input SWR better than 1 5 1 on all amateur bands The output of the amplifier is a Pi L circuit The ceramic ca...

Page 8: ...ssis subpanel 4 INSTALLATION NOTE Read this chapter carefully prior you will start installation Before unpacking inspect shipping woody container first if it is not damaged Keep all of packing parts f...

Page 9: ...is shielded On the side of the power amplifier a CINCH socket is used On the side of your transceiver you have to use a socket suitable for this transceiver During transmitting the middle pin is conne...

Page 10: ...ion ALC RCA Phono Automatic Level Control is used when tuning the PA to block drive level BYPASS COM Connector 5 5 2 1mm allows you to connect an external 12V DC power supply rated at 200mA max which...

Page 11: ...a port 4 5 antenna port 5 6 antenna port 6 7 antenna port 7 8 antenna port 8 9 antenna port 9 10 antenna port 10 11 COMMON port of ANT SW 12 NC 13 GND 14 BPF 160m 15 BPF 80m 16 BPF 40m 17 BPF 30m 18 B...

Page 12: ...supplemental fan is turned on depending on the temperature of the air exiting from the amplifier It is switched on at 70 C and switched off at 60 C 4 6 Remote Control Control of the amplifier is poss...

Page 13: ...arm up delay the amplifier will be ready for operation OPR STBY OPERATE sets the amplifier ready for transmit operation In STBY if WAIT LED is on or the amplifier is OFF the amplifier is in bypass mod...

Page 14: ...enna on a given frequency SET button for MAIN MENU Confirmation of selection Saving of selected value Saving of tuning parameters TUNE Push button for selection of TUNE mode AUTO Push button for selec...

Page 15: ...tinue by selecting Baud Rate Press SET button and scroll using UP DWN to BAUD RATE Press SET again By scrolling UP DWN select desired Baud Rate which must be the same as baud rate used by your transce...

Page 16: ...s of Kenwood an external IF 232 converter is to be used You can also use devices from several companies that produce compatible CI V output which deliver frequency information in ICOM format through t...

Page 17: ...u want per current band 1 or 2 and always confirm your selection by pressing SET The by scrolling UP DWN you assign which PORT is used on your external antennas switch for this particular antennas ANT...

Page 18: ...P DWN to select which option and confirm by SET 5 2 7 MUTE option When operating the OM2500A F with an Icom transceiver without TX INHIBIT for disabling TX we recommend blocking of the TX while tuning...

Page 19: ...and pressing Up or DWN you can vary the Contrast of the LCD display Press SET for confirm the setting 5 2 9 Operation in MANUAL mode To enter Manual mode of the PA please press MAN By pressing MAN rep...

Page 20: ...Bar graph Indicator The amplifier has to be tuned in such a way that the current is between 20 mA to 50 mA At currents beyond these values the operating point will be shifted and IM products will be r...

Page 21: ...3 to get maximum output power Second if your antenna parameters are not very good and input power is higher than 15watts safety devices will switch PA automatically to STBY In such a case start with s...

Page 22: ...nput power is LOW After excluding possible human mistakes you will be able to work for long time with this amplifier 5 3 3 Tuning Adjustment Entering the TUNE mode is done by pressing the TUNE button...

Page 23: ...amplifier back to OPR CAUTION If the fault will repeat 3 times after each other the control circuits will turn the amplifier to STBY Bringing the amplifier to OPR is enabled by using the OPR STBY swi...

Page 24: ...u will get instructuions how to change tube and how to preset proper parameters too Be very careful you will do it only on your own risk If you are not comfortable to replace vacuum tube itself contac...

Page 25: ...25 7 APPENDIX 7 1 Example of connection for Icom...

Page 26: ...26 7 2 Example of connection for ELECRAFT...

Page 27: ...27 7 3 Example of connection with Yeasu...

Page 28: ...28 7 4 Example of connection with antenna switch and BPF...

Page 29: ...29 7 5 Example of connection USB micro KEYER II with IC7800 or IC7700...

Page 30: ...30 7 6 Example of connection USB micro KEYER II with another Icom...

Page 31: ...31 7 7 Example for connection USB micro KEYER II with Yeasu or ELECRAFT...

Page 32: ...32 7 8 Example of connection PA with MicroHAM MKII MK2R etc with CI V output...

Page 33: ...33 9 1 Block Diagram of OM2500A F Power Amplifier USA version...

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