Blocks, Fragments and other Detritus

These are various bits of things I've collected and drawn up over the years. Not all are tested, rather they are sketches that show basic ideas.

Amplifiers

Boosters

Buffers

Opamp Buffer from muzique.com

Opamp Buffer from Klon Centaur

FET Buffer from muzique.com

Buffer from Ibanez Tube Screamer

Clipping

Clipping diodes using a rotary switch

CMOS

Compressor

Compressor based on SSM2166 Datasheet Example

LFOs

Schmitt Trigger LFO driving a Vactrol

Schmitt Trigger Basic LFO

Mixers

Input splitter + booster

Multiple input mixer with boost. Reproduce input 1 stage for multiple inputs

Buff n' Blend from Joel Purkiss

Stereo Panner

Passive Mixer

Octave

Opamps

Oscillators

Oscillator built with a 40106 Schmitt Trigger

Oscillator based on hemmo's negister

Overdrive/Distortion

Voodoo Labs Overdrive with MOSFET Clippers and a tonestack

Electra Distortion

Power Supply

Power Supply Filtering with Reverse Polarity Protection

Voltage Sagger with Power Supply Filtering

Using an LM317 Regulator for Low Voltage Tube Heater Supply

Preamplifiers

FET Boost + Tonestack

Ring Modulator

Pseudo Ring Modulator built with a 567 Tone Decoder Chip

Sequencer

Step sequencer based on a 4017 divider

Stompbox Wiring

Switching

Switching between Transistors
 

Switching between two sets of components

Theremins

Simple Pitch Only Theremin

Tone Stacks

mid-scoop notch filter

Tonestack from Marshall Guvnor

Fake Variable Capacitors

Yet Another Tone Control

Tubes