Author Topic: Boss style switching with J111? Will this work?  (Read 273 times)

JP19

Boss style switching with J111? Will this work?
« on: February 08, 2021, 06:36:54 AM »
I want to try Ďboss styleí switching on a 12v pedal. I don't know what the best option is here but Iím currently thinking about using a J111.

Iím just looking at the datasheet:

VGSoff is -3 to -10V, so If Iím biasing my audio to 6v this should work shouldnít it? Then I can stop the audio by pulling the gate down to ground.

Iím not totally sure what other numbers matter here? (datasheet screen shot attached)

Would the J111 work or should I be looking for something else?


Thanks!



duck_arse

Re: Boss style switching with J111? Will this work?
« Reply #1 on: February 08, 2021, 08:27:01 AM »
J111 is listed as "analoge switch" in datsheets I looked at, so should be good to go. can't hurt to try.
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Rob Strand

Re: Boss style switching with J111? Will this work?
« Reply #2 on: February 08, 2021, 06:37:13 PM »
J112 might be better.  The original 2SK30A's and the later 2SK118Y's used by Boss for the JFET switching had Vgs_off max of -5V.      (There was a instance where Vgs_off too small was a problem.  It's in one of the posts on this forum.)
« Last Edit: February 08, 2021, 08:37:00 PM by Rob Strand »
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dschwartz

Re: Boss style switching with J111? Will this work?
« Reply #3 on: February 10, 2021, 01:42:10 PM »
I've had good luck with 2sk208 and j112 for switching
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iainpunk

Re: Boss style switching with J111? Will this work?
« Reply #4 on: February 10, 2021, 02:25:02 PM »
i too can confirm the J112 to be working as a switch.
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