09-13-2021, 10:35 PM
here's the diagram I built it from. This IC is only the MPX decoder. The other one I built for the Fisher has both a noise canceling circuit and a MPX decoder. And it was much more difficult to build because it was so small with no carrier to convert it to .1 inch pin pitch.
!!!!!!!!!!!!!!!!!!!RESISTANCE IS FUTILE!!!!!!!!!!!!!!!!!!!!!!
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[Image: http://philcoradio.com/phorum/images/smi...on_eek.gif] Chris