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Re: [softrock40] Problem in R11 Voltage & Quadrature Clock Gen Stage Assy in Ensemble RX II

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  • Alan
    ... Subject: [softrock40] Problem in R11 Voltage & Quadrature Clock Gen Stage Assy in Ensemble RX II ... Ken ... So all the other pins of U6 that should be
    Message 1 of 5 , Apr 25 2:59 AM
      ----- Original Message -----
      Subject: [softrock40] Problem in R11 Voltage & Quadrature Clock Gen Stage Assy in Ensemble RX II


      > Instructions state I should get roughly half of 5V or 2.5VDC at R11 hairpin but I get 5VDC. R10 & R11 are installed in the right
      > orientation and were verified by ohm meter to be the correct resistors. What did I do wrong? I verified all soldering and
      > everything has checked out up to now.

      Ken

      >
      >All other voltages check out on U6 correctly except pins 3 & 11 which is the same wrong voltage at R11. LO tunes with no issues.

      So all the other pins of U6 that should be around 2.5 volts are about that?
      Do pins 3 & 11 show 2.5 volts when the USB is disconnected?

      If so, as the others say, carry on.

      That's a new one. Nobody has reported that their meter reads 5V. Pins 3 & 11 have a higher frequency on them.

      73 Alan G4ZFQ
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