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REXON PA-85V User Manual

Vhf power amplifier

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VHF POWER AMPLIFIER
PA-85V
User Manual

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Summary of Contents for REXON PA-85V

  • Page 1 VHF POWER AMPLIFIER PA-85V User Manual...
  • Page 2 Multifunction display bar operating modes Mode Color Type Blink Function Power Green Bar-graph No Measure output power, 10Watt measurement increments Power setting Green Bar-graph Yes Indicates actual power limit display (25,45,65,85 Watt) Green Dot Shows VSWR measurement Error indicator Dot(s) Indicates error condition * Blinks on under/overrange Pushbuttons function...
  • Page 3 Turning amplifier on and off Transmit power amplifier and receiver preamplifier functions are independent on each other. They can be toggled on/off by pressing respective pushbuttons: RX LNA and TX PA. When function is enabled, LED associated with pushbutton is lit. Amplifier is completely off, when both LEDs are dark.
  • Page 4 Measuring VSWR This useful function allows to accurately measure amplifier load VSWR. To enable VSWR measurement, press SHOW SWR button while transmitting. This mode will persist as long as amplifier is in transmit mode. Display returns to normal operation (power measurement) after releasing transceiver PTT button. Actual VSWR is represented as single „moving dot”.
  • Page 5 Specifications: Power amplifier Parameter Min. Typ. Max. Remarks Frequency 138 MHz 174 MHz range Maximum 80Watt 85Watt 90Watt ALC limited output power Input power 1 Watt 7 Watt Between carrier detect and range overdrive thresholds Input power for 3 Watt 5 Watt Frequency dependent full output...