Just tested your circuit on the breadboard... the mosfet is still alive :-) This forum is great, thank you all for the support.
Am Mittwoch, 27. September 2017 15:29:24 UTC+2 schrieb GastonP: > > <https://lh3.googleusercontent.com/-ANxbQeryMdk/WculGZc-U4I/AAAAAAAAAp0/sdv_XDvg0l0iF8EAqZP0pvc0Kf6mfaC9QCLcBGAs/s1600/2n7000_gate_protection.jpg> > > > This circuit is the one I always use and I have yet to see a zapped MOSFET > ;). > Diodes can be 1N4148 or almost any fast signal diode (never a rectifier > such as 1N400x) and a resistor of 1K-10K is enough. > IIRC SMD BAV99 has this exact configuration for the purpose of being used > as input protection devices. > > On Tuesday, September 26, 2017 at 3:48:08 PM UTC-3, newxito wrote: >> >> I agree 100%, it must be an ESD problem, these things are really fragile, >> even on a breadboard circuit just touching 2 or 3 times the gate kills the >> 2n7000. I think I will not be able to solve the problem in a reasonable >> amount of time, so for now, I will patch the boards with transistors and >> continue with the tests. Just finished to solder one of each type of driver >> boards… >> >>> -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/daaa88fe-04f5-4325-944e-629e9a1ad2af%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
