Phil VK2BDF from the Manly Warringah HAM Radio Society shows off his 1970’s vintage home made 200MHz DIY spectrum analyser.
Forum: http://www.eevblog.com/forum/blog/eevblog-575-diy-1970s-spectrum-analyser/
Podcast: Download
Phil VK2BDF from the Manly Warringah HAM Radio Society shows off his 1970’s vintage home made 200MHz DIY spectrum analyser.
Forum: http://www.eevblog.com/forum/blog/eevblog-575-diy-1970s-spectrum-analyser/
Podcast: Download
The TOP 5 Jellybean 7440 and 4000 series logic chips. Forum: https://www.eevblog.com/forum/blog/eevblog-1611-top-5-jellybean-7400-4000-logic/ Schmitt Trigger video: …