Ken's buffer/inverter boards:
http://www.cgs.synth.net/modules/cgs70_mix.html; 4 inverting buffers
w/ multiple inputs on a 2"x2 pcb.
b
--- In ModularSynthPanels@yahoogroups.com, Mark <yahoogroups@...>
wrote:
>
>
> I'm in the process of getting ready to build the JH Tau Phaser.
I'm
> building it in a separate box. So far, it will have ten knobs,
eight
> jacks, and six switches. Which is one reason why I am not building
> it as an MOTM-format module.
>
> So I need to add several summing, buffer and other circuits, and
was all set
> to buy a bunch of these:
> https://bridechamber.sslpowered.com/bridechamber.com/Buffer%
20Inverter.html
> until I realized it was for ∗single∗ op-amp, and that a TL071 and
TL072
> have different power pins. Now I'm not sure if I should be mad at
> Scott or Texas Instruments :)
>
> The MUUB-2 and MUUB-4 seem like fine products, expecially for
people
> who want to share circuits. However, having all those labeled
> connections for summing ladders and trinpots and such take up
quite a
> bit of space, and I severely doubt I'll have the room.
>
> While I could build on plain perfboard, it's prone to error and a
bit
> of a PITA. So does anyone know of a simple, general purpose
project
> board suitable for a quad or dual op-amp??
>
>
> Also, does anyone have any good switch suggestions?? Since this
isn't
> MOTM-format I thought I should save some money by buying different
> switches, but it is very hard to tell what what isn't crap by
looking
> at a catalog.
>