A second try at the PPS board, this time with the correct footprint for the transistors on the sine-to-square input stage.
Still some bugs left as I had to add a diode on the MCLR pin for the PIC-programmer to work correctly.
![](http://www.anderswallin.net/wp-content/uploads/2018/09/pps_10MHz.png)
![](http://www.anderswallin.net/wp-content/uploads/2018/09/pps_10ms.png)
![](http://www.anderswallin.net/wp-content/uploads/2018/09/pps-board_20180912_161412.jpg)
![](http://www.anderswallin.net/wp-content/uploads/2018/09/pps_1Mohm.png)
A second try at the PPS board, this time with the correct footprint for the transistors on the sine-to-square input stage.
Still some bugs left as I had to add a diode on the MCLR pin for the PIC-programmer to work correctly.