Heathkit SB-100 101 102 / HW-100 101 MODE SWITCH REPLACEMENT
Uses 2PDT miniature relays from AXICOM (150mW 12V relay) to replace the unavailable Heathkit MODE switch in SB100 101 102 and HW 100 101 radios which are EMP proof. Input is from a 1Pole 4 throw rotary that simply grounds the respective desired mode (CW, TUNE, LSB, USB)
Heathkit SB-100 101 102 / HW-100 101 MODE SWITCH REPLACEMENT
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Please review the designer's notes (e.g., PCB thickness) and select the appropriate options.
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