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Re: [softrock40] Softrock Lite II 8.83 MHz parts value discrepancies

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  • Alan
    ... From: ve9xyz To: Sent: Monday, December 31, 2012 11:53 PM Subject: [softrock40] Softrock Lite
    Message 1 of 2 , Jan 1, 2013
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      ----- Original Message -----
      From: "ve9xyz" <myfamilydotcom@...>
      To: <softrock40@yahoogroups.com>
      Sent: Monday, December 31, 2012 11:53 PM
      Subject: [softrock40] Softrock Lite II 8.83 MHz parts value discrepancies


      >I have built the Softrock Lite II 8.83 MHz IF receiver and am troubleshooting it - one thing I noticed is that there are 3
      >different sets of parts values in circulation for this particular application:

      Kevin,

      Providing what you list is designed for the required frequency then there will be no difference.
      These parts are not critical.

      73 Alan G4ZFQ


      >
      > 1. Tony's June 16, 2011 message on the subject to this NG specified:
      > L1 = 30T #30 on T25-2 core
      > C3 = 100 pf
      > C4 = 1500 pf
      >
      > 2. The Special Build Instructions linked at the bottom of the "SoftRock Lite II Combined Receiver Kit" order pages says:
      > L1 = 37T #30 on T30-6 core
      > C3 = 68 pf
      > C4 = 1000 pf
      > T1 = 10T/5T bifilar #30 om T30-6 core
      >
      > 3. The "Component values for Specific IF Applications" page 2/3 linked from the WB5RVZ build detail site lists:
      >
      > L1 = 31T #30 on T30-2 winding
      > C3 = 82 pf
      > C4 = 1200 pf
      > T1 = 8T/4T bifilar #30 om T30-2 core
      >
      >
      > My toroid cores were yellow, and I built my kit around the guidelines in #2 above. What is the latest guideline on the right
      > combination of parts, or does it matter much?
      >
      > If there are others who have built the 8.83 MHz version succesfully that would like to help me, I'd appreciate heqaring from you.
      >
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