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70463Re: Building the Ensemble RXTX: Driver/PA transformers

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  • Blackacay
    Nov 26, 2012
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      dear sir,

      I'm building the ensemble also, and still learning about the transformers

      I have same question with Paul about the T3 & T4 and also T2 & T5... how is the dotted mark of coil, we should refer to schematic or pcb layout... because if we follow the schematic we should cross the hairpin of single wire turns (not the bifilar)...

      what g4zfg in the sites, only explain the T1 and T6 hairpin orientation related to dotted mark coil...

      anyone can explain ?

      adhi, yc0ccw

      --- In softrock40@yahoogroups.com, "Alan" <alan4alan@...> wrote:
      > ----- Original Message -----
      > Subject: [softrock40] Building the Ensemble RXTX: Driver/PA transformers
      > > Am I correct in saying that the phasing on both the primary of T3 & Secondary of T4 are not as they should be on the Driver/PA
      > > circuit diagram ?
      > >
      > Paul,
      > http://sites.google.com/site/g4zfqradio/softrock_ensemble_isolation_transformers
      > It is the PCB that is wrong. Not the schematic.
      > 73 Alan G4ZFQ
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