Monday, 25 August 2014

TTSH - ARP 2600 clone - build notes - Electronic Switch (DIY)

Part no.18 of my TTSH (Two thousand six hundred) build which is a clone of the ARP 2600 synthesizer.

The Electronic Switch

You can see my full build thread HERE
There are two awesome TTSH threads in Muffs.
2600 clone - Two Thousand Six Hundred (TTSH)
and
Two Thousand Six Hundred (TTSH) Project General Build Thread
The DSL-Man site has a very good TTSH thread
And of course the official build thread is here
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Ok, we are almost there.
The switch next.

 The unpopulated switch section.

2n4392

The electronic switch is pulsed by the VC clock.
The clock provides the voltage that switches it between the two sockets (A & B).
Looks like the 2N4392 JFETs do the job of switching.

Missing the 150k resistor.


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