Simple repair on the neighbours $4500 Audiophile Chord Hugo DAC. Replacing the rechargeable lithium ion batteries wasn't quite as simple as expected though... And is this thing worth $4500? Forum: https://www.eevblog.com/forum/blog/eevbog-1613-audiophile-repair-chord-hugo-dac/ If you find my videos useful you may consider supporting the...

Siglent SDS1000X HD 12 bit Oscilloscope Teardown and brief play, noise measurement, and comparison to the SDS2000X HD Teardown photos: https://www.eevblog.com/2024/04/27/eevblog-1612-siglent-sds1000x-hd-12-bit-oscilloscope-teardown/ SDS2000X HD Teardown: https://www.youtube.com/watch?v=lUAevbBh0rQ Forum: https://www.eevblog.com/forum/blog/eevblog-1612-siglent-sds1000x-hd-12-bit-oscilloscope-teardown/...

The TOP 5 Jellybean 7440 and 4000 series logic chips. Schmitt Trigger video: https://www.youtube.com/watch?v=Ht48vv0rQYk Forum: https://www.eevblog.com/forum/blog/eevblog-1611-top-5-jellybean-7400-4000-logic/ 00:00 - Top 5 TTL and CMOS Jellybean chips 00:37 - Different 7400 series family types 01:52 - What makes a Jellybean component...

A look at the Deye 5kW Hybrid Solar Inverter and attempted teardown. SUN-5K-SG04LP1-AU Forum: https://www.eevblog.com/forum/blog/eevblog-1610-deye-hybrid-solar-inverter/ Joule Power: https://joulepower.com.au/ Teardown video: https://www.youtube.com/watch?v=UO1lDaIDBo0 Manual: https://www.sunovagroup.com.au/wp-content/uploads/2023/12/SUN-3-6K-SG04LP1-AU-1.pdf...

A lot of texbooks don't teach Composite Amplifiers, but they are one of the most used circuit configurations to solve real world design poblems where you have multiple conflicting specifications. Opamp Tutorial Playlist: https://www.youtube.com/playlist?list=PLvOlSehNtuHu2FviAaZaiyXwN41G4b1Lf Cascaded Compound Amplifiers: https://www.youtube.com/watch?v=ZvT9hHG17tQ...

More mailbag! 00:00 - Jumperless Breadboard from Architeuthis Flux & WokWi https://www.tindie.com/products/architeuthisflux/jumperless/ https://hackaday.io/project/191238-jumperless/log/222858-getting-started-using-your-jumperless https://wokwi.com/ https://www.digikey.com/en/maker/projects/jumperless/2e62cc88ee6145bc924041dd486de76f...