What’s Hiding Inside A Square Wave or How I Learned To Stop Worrying and Love RC Low Pass Filters

What’s Hiding Inside A Square Wave or How I Learned To Stop Worrying and Love RC Low Pass Filters Get 5 boards in about a week for $27! In this video we use a multi stage RC Low Pass Filter to filter out all of the upper harmonics in a square wave to get decent sine wave. The trade off is a loss of amplitude. The square was created with a relaxation oscillator based on a 74HC14 Hex Schmitt Trigger Inverter. ************************************************************************* *Please help support this channel at NO COST TO YOU. If you shop on* *Amazon, please use this link: * *I will get a small commission and it costs you nothing. * ************************************************************************* HEY YOU ABOUT TO POST SOMETHING STUPID: Yes, I know my hands are large/fat. It’s because of a heart condition I suffer from called Congestive Heart Failure. Here’s a link to some information about CHF: One of the symptoms is that it causes fluid retention, mostly in the hands, feet/ankles, and face.. ------------------------------------------------------------------------------------------------------------------- Support learnelectronics: Amazon Store: If you are shopping for electronic components, test gear or consumables please consider visiting my Amazon shop @ Patreon: Please check out and pledge a dollar if you can. It will go a long way to keeping the channel alive. It costs a bit of money to buy all the items and produce these videos. Your help is appreciated. Paypal: you’d like to send a one-time donation you can use this link: --------------------------------------------------------------------------------------------------------------------- Gear I use: Multimeter: OWON B33 Oscilloscope: KIPRIM DS1202 Signal generator: Junctek JDS8080 Component Tester: T7 Multifunction Soldering Station: Sealody ???????