TGSL mode CMS

[ashefr10]

Hi, well done you're French? your detector works pretty hard to protect what you have to do your utlise coil? and yes it is the most difficult to achieve coil and more difficiel the double-D concentric. Sensitivity to the same problem I have the knob does not change much.
Hugo utlise of 2N3819 instead of BF245 and uses an external oscillator map (a minelab oscillator) and uses a minelab head.

[Richlsdorfite]

Hi,

I decided to build the TGSL using only smd components.
I will post (later) a list of components equivalence with Kicad schema and pcb.

However, I have a specific question regarding the JFET J107 :
- Do I replace J107 with MMBFJ108 which has the same characteristics as the J107 but less Power Dissipation : 625mW for J107 / 350mW for MMBFJ108 (according to Fairchild datasheet) ?

Regards,

Michel