FM880 Time out reset pip-CW filter-low voltage detector


This circuit boards has 3 different functions.
  • Time out reset pip on carrier tail
  • CW ident filter
  • Low 12V detector
Note this board was only used in the early FM880s with the VK6CU control board as the later URC101 control boards had a built in time out reset pip built in.

3 function circuit board for FM880 repeater