Lo input capacitance MOSFET

Started by POTL, September 01, 2023, 05:13:37 PM

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POTL

Hi all.
Does anyone know mosfet models to replace 2n7000/bs170 this is a popular transistor in the diy environment, but it has a number of disadvantages:
1) high input capacitance (buffer recommended).
2) high noise level
3) they are afraid of static (smd equivalent 2n7002k has a built-in diode for protection).

Are there any affordable (in terms of availability and price) analogues suitable for designing various effects, like fuzz, overdrive or distortion, but without these drawbacks?


Clint Eastwood

The first two disantavantages are, as far as I know, sort of unavoidable with mosfets.
I am curious, why would you want to build for example a fuzz with mosfets?

POTL

Quote from: Clint Eastwood on September 03, 2023, 11:38:09 AM
The first two disantavantages are, as far as I know, sort of unavoidable with mosfets.
I am curious, why would you want to build for example a fuzz with mosfets?

I liked playing with them. I definitely remember that there were good results with fuzz face and I did fender blackface on 2n7000. I see them as a replacement for BJT in fuzz. and some alternative to J201 and the rest of the jfet, which have become rare.