Dave scored a Fluke 45 on ebay, the world’s first dual display multimeter
Does it work?
What’s inside?
Service Manual HERE
HD6303 Processor HERE
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: …