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OM POWER OM2000A+ Tuning Procedure And Part List

External radio frequency power amplifier
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OM Power
Exhibit 11: Tuning procedure and
Part list
External Radio Frequency
Power Amplifier OM2000A+
Model OM2000A+
Array Solutions
2611 North Beltline Rd
Suite 109
Sunnyvale, Texas 75182
USA
Tel: 214 954 7140
fax: 214 954 7142
E-mail:
info@arraysolutions.com
Exhibit 11
1

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Summary of Contents for OM POWER OM2000A+

  • Page 1 OM Power Exhibit 11: Tuning procedure and Part list External Radio Frequency Power Amplifier OM2000A+ Model OM2000A+ Array Solutions 2611 North Beltline Rd Suite 109 Sunnyvale, Texas 75182 Tel: 214 954 7140 fax: 214 954 7142 E-mail: info@arraysolutions.com Exhibit 11...

  • Page 2: Tuning Procedure

    Tuning procedure Tuning is possible only in the OPR mode. Preliminary Information Tuning the amplifier involves a procedure of matching the impedance of the antenna and transmission line to the tubes characteristic load resistance. This will ensure maximum plate efficiency and RF gain at nominal output power, with minimal distortion and spurious output. Note that REFLECTED POWER readings depend on the antenna and transmission line impedances only, and not on amplifier tuning.
  • Page 3 b. Tuning procedure OM2000A+ has been design to deliver maximum output power at 50 Ohms load. To deliver maximum output to real load you need to adjust the tuning according to your real antenna impedance. We are in the operation mode. Press MENU Now try to press PTT (foot switch for example).
  • Page 4 After adjustment press SAVE for writing values to the memory and press EXIT. Repeat adjustment process for other segments / bands Deviding of bands into segments Band (MHz) 1,8 3,5 7 10 14 18 21 24 28 Width of the segments (kHz) 20 30 50 30 60 60 60 70 TUNING The OM2000A+ amplifier is operated in class AB.
  • Page 5 3. Press PT and increase driver power to 10W (OUTPUT power will be abt. 500W) Please note! If the input power is higher than 15 W and the power amplifier is not correctly tuned, the safety devices will switch to STBY. After switching the amplifier to PTT, the amplifier will automatically reset and switch back to OPR mode after approximately 2 seconds.
  • Page 6 OM2000A+ MAIN Item No. Type Description Qty. switch Band switch 8x3 8x3 position blower Blower 24V 5,28W PE92252V1-000U blower Blower ebm-papst 24V 14W G1G085-AB05-01 condensator Capacitor ceramic 4n7 6kV 15,24mm condensator Cap ceramic disc 2n2 10kV Φ 40mm condensator Cap ceramic disc 330 3,5kV Φ...
  • Page 7 condensator 100µF / 35V SMD_R7X7_ELKO condensator 470µF /16V SMD_R8X6,5_ELKO condensator 1000µF /10V SMD_R10X8_ELKO diode BAV99 SOT23/3 diode ZD 5V1 SOD80 diode ZD 4V3 SOD80 diode ZD 12v SOD80 diode MBRS360 diode SK15 coil BLM31AJ601 1206 connector DISPLAY kolik 2x5 connector INPUT T823-120A1R connector...
  • Page 8 TSR1-2450 TRACO LF33CDT TO252 LM2576-ADJ TO263/5 74HC04D SO14 OM2000A+ BOX Item No. Type Description Qty. condensator 1M /16v tantal 1206 condensator 10n/50V 1206 condensator 100n/50V 1206 condensator 10µF /16V SMD A tantal diode LL4148 MINIMELF diode ZD 33V SOD80 MCP23008 SO18 connector TCVR...
  • Page 9 OM2000A+ INPUT Item No. Type Description Qty. condensator 2M2 / 20V SMD-B tantal condensator 100n 1206 condensator 1210 condensator 1210 condensator 1206 condensator 1206 condensator 1210 condensator 1210 condensator 1210 condensator grid5,08 condensator 2010 condensator 1210 condensator 1210 diode TS4148 1206-D diode LL4148...
  • Page 10 OM2000A+ OUTPUT Item No. Type Description Qty. condensator 100nF 1206 condensator 100nF 4X8R5,08 condensator 1206 condensator 4X8R5,08 condensator 1206 diode SM4001 MELF diode 4,7V MINIMELF_DIODE diode SN020-30 1206 connector OUTPUT LH10S connector Rele OUT SL-MTA/2.54/2POL connector PROBE 1X01 connector ANT SW 1X01 coil BLM31...
  • Page 11 connector DC 24V PSS254/3G connector AC 24V connector 256-402_332-000 102K connector 256-405 256-405 connector 256-402_332-000 250-502 connector 256-405 256-405 connector BLOWER PSS254/4G connector COVER SW PSS254/2G connector Ext. fan PSS254/2G connector PSS254/2G connector AC 105 V SL-MTA connector AC 9V STIFTLE connector Heat...
  • Page 12 TA78L33F SOT89 LM4040-5V SOT23/3 OM2000A+ HV SUPPLY Item No. Type Description Qty. diode KBU8J BRUECKE-KBU_Diotec diode B380C Bridge_round_grid5,08 condensator 330µF D35R10,16_ELKO condensator 10nF 6X14R10,16 condensator 10nF/1kV 6X14R10,16 condensator 100nF 4X8R5,08 condensator 4X8R5,08 condensator 10n/500V 4X8R5,08 condensator 4X8R5,08 condensator 47µF D17R7,62_ELKO condensator 100nF/1kV 4X8R5,08...
  • Page 13 OM2000A+ SWR Item No. Type Description Qty. Cinch-connecting-port_2- connector polar SO239 condensator C_RM5,08 condensator C_RM5,08 condensator C_RM5,08 condensator C_RM5,08 diode BAT41 DO35 connector C1x3 1X03 coil 1000µH 0207 resistor R 2W resistor 330K 0204 resistor 0204 OM2000A+ G2 Item No. Type Description Qty.