TL866 design

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The MiniPro is designed around a Microchip PIC18F87J50 micro-controller.

  • It uses eight 74HC373 latches and one 74HC164 shift register
  • Pin drivers are realized with discrete components. Thus we have 16VPP voltage switches, 24VDD voltage switches and 25GND switches
  • DC to DC converters which generate the VPP programming voltage and VDD supply voltage is realized with two MC34063 circuits.

More information (that needs to be transferred here) available in TL866_design.pdf by Radioman.

See also Design/Schematic