Shifty

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Shifty
Shifty.jpg
Participants
Skills Soldering
Status Active
Niche Hardware
Purpose eurorack shizzle
Tool
Location
Cost
Tool category

Shifty

Shifty.jpg {{#if:{{{Tool}}} | [[Tool Owner::{{{ProjectParticipants}}} | }} {{#if:{{{Tool}}} | [[Tool Cost::{{{Cost}}} | }}


purpose

For my SAA-1099p clock fiddler (https://vanheusden.com/electronics/SAA1099-clock/ ) I needed something that generates a voltage between -5 and +5 V (with that voltage I can control the clock-rate of the SAA1099). This module allows me to do so.

schematics

Shifty-schematics.png

explanation

Ehr..., well, the potmeter thingy produces 0...+5 V and the opamp (the triangles) together with the resistors in the right combination (those squares with 10k in them) shift and adjust this to -5...+5 V. Note that the opamp needs a negative and positive powersupply voltage for that (which eurorack gives you: -12 V and +12 V).

more pic!

Shifty-mounted.jpg

simulation

Via falstad/circuitjs: circuitjs