Note: This post was last reviewed for content and links on 2/23/2026 Ron Fredericks writes: I have completed the design and test of a new component for LTspice SwitchCAD III circuit simulation and schematic capture In a previous post I discussed my interest in the 4193 presettable synchronous 4-bit binary up/down counter IC for a…
Note: This post content and links have been reviewed and updated 2/23/2026 Ron Fredericks writes: recently I discovered that I was going to have to create my own IC component and symbol for my on-going digital volume control circuit simulation. My first step was to check in with the LTspice forums on Analog Devices website….
Note: This post has been reviewed and updated for content and links: 2/23/2026. Ron Fredericks writes: I was designing a simple CMOS timer circuit around a 555 chip this evening. It might be the heart beat for a new digital volume control I have been thinking about. Normally I look for my breadboard and parts…
