Blocks and fragments
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
Misc
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
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
