Heathkit Information, Modifications and Rebuilds
I like the Heathkit SB-
Dual Z- |
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Suggested design for a transceive FM adaptor |
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Some thoughts on possible improvements to the SB- |
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Bandpass filters for 8.395 - |
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Lattice Filter at 3.395MHz |
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Measurements on and circuits of some Heathkit crystal filters |
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Conversion of an original Heathkit control knob to a concentric type |
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Construction and measurement information on new inductors for the SB- |
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A multi- |
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Regulated power supply for use with an SB- |
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Low voltage high current power supply |
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A multi- |
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My take on aerial selection and sharing |
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High voltage and bias power supply |
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Addition of 160m and changes to the microphone pre- |
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Modifications and changes to overcome component ageing. |
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Complete rebuild on a new chassis with many additional features |
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Suggested modifications to an SB104/104a. |
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Complete rebuild on a new chassis with many additional features |
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Change keying system to full break- |
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Information and measurements on some inductors |
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Some suggestions for replacing broken or worn parts |
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A variant on the SB- |
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Repackaging the HM2102. |
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Three band transverter styled to match the SB- |
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Some thoughts on adding other bands |
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To follow when time allows: |
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Station Monitor |
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Panadaptor |
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N) = New, (U) = Updated, blank = no recent change
Summary of my completely re- |