https://twiar.net North America's Premiere Amateur Radio News Magazine Mon, 09 Feb 2026 00:25:55 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://twiar.net/wp-content/uploads/2020/05/cropped-twiarlogo512px-32x32.jpg https://twiar.net 32 32 https://twiar.net/2026/02/22/via-hackaday-555-based-square-wave-and-triangle-wave-function-generator-build-for-beginners/ Sun, 22 Feb 2026 07:45:40 +0000 https://twiar.net/?p=39603 Over on YouTube [Andrew Neal] has a Function Generator Build for Beginners. As beginner videos...]]> https://twiar.net/2025/05/23/via-hackaday-five-oddest-op-amp-applications/ https://twiar.net/2025/05/23/via-hackaday-five-oddest-op-amp-applications/#comments Fri, 23 May 2025 23:45:44 +0000 https://twiar.net/?p=31835 You think of op amps as amplifiers because, no kidding, it is right in the...]]> https://twiar.net/2025/05/23/via-hackaday-five-oddest-op-amp-applications/feed/ 1 https://twiar.net/2025/01/12/via-hackaday-rethinking-your-jellybean-op-amps/ Mon, 13 Jan 2025 03:46:02 +0000 https://twiar.net/?p=27178 Are your jellybeans getting stale? [lcamtuf] thinks so, and his guide to choosing op-amps makes...]]> https://twiar.net/2022/08/28/via-hackaday-simple-breadboard-sdr-for-shortwave/ Sun, 28 Aug 2022 20:12:00 +0000 https://twiar.net/?p=11323 One of the best ways to learn about radios is to build your own, even...]]> https://twiar.net/2022/01/06/via-hackaday-from-nanoamps-to-gigahertz-the-worlds-most-extreme-op-amps/ Thu, 06 Jan 2022 21:56:02 +0000 https://twiar.net/?p=7030 The operational amplifier, or op amp, is one of the most basic building blocks used...]]>