12V to 24V DC Converter Circuit using Hex Inverter IC CD4049
Here's the Hot Tubes overdrive from Electro Harmonix. It's based around a 4049 hex inverter chip (like a Red Llama) with a dual… | Earthquaker devices, Fuzz, Layout
7404 Hex Inverter : r/AskElectronics
Understanding Digital Buffer, Gate, and Logic IC Circuits - Part 2 | Nuts & Volts Magazine
Hex Inverter Mutant Bass Drum – Muff Wiggler
74LS04 Hex Inverter | NightFire Electronics LLC
Hex Inverter Voltage Multiplier for Condenser Microphones - Share Project - PCBWay