The PEM circuit is not subject to patent or copy right- they did not invent this topolgy. Only the publication is copyright. Is just an integrator with a high pass to remove the DC offset from the input.
This is useful.
www.lem.com%2Fen%2Ffile%2F1871%2Fdownload&usg=AOvVaw0xhZAplOPOlFrNmtq38Tj8
You can scale the TI pdf For referrence, the pitch of the connector is 0.1". It even give its the drill sizes for you. Originally created with Altium.
(
www.ti.com/lit/pdf/tidrm38?keyMatch=PCB%20ROGOWSKI%20COIL) and print it on film.
I've used Cannon Type E for laser or 3M CG3480 for inkjet. It works far better on laser- a trip to your local Fedex if you don't own one.
Is this what you need?