EEVblog 1697 - What's Up With Different Brand Op-Amps?

EEVblog July 18, 2025
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NO SCRIPT, NO FEAR, ALL OPINION An off-the-cuff Video Blog about Electronics Engineering, for engineers, hobbyists, enthusiasts, hackers and Makers Hosted by Dave Jones from Sydney Australia DONATIONS: PayPal: [email protected] Patreon: https://www.patreon.com/eevblog EEVblog2: http://www.youtube.com/EEVblog2 EEVdiscover: https://www.youtube.com/channel/UCkGvUEt8iQLmq3aJIMjT2qQ EMAIL: Advertising/Commercial: [email protected] Fan mail: [email protected] Hate Mail: [email protected] I DO NOT PAID VIDEO SPONSORSHIPS, DON'T ASK! PLEASE: Do NOT ask for personal advice on something, post it in the EEVblog forum. I read ALL email, but please don't be offended if I don't have time to reply, I get a LOT of email.

Video Description

Why does this Uni-T UDP6731 PSU use different brand LM358 opamps on the same PCB? All about Bill Of Materials, SMD pick and place machines, suppliers and specifications. Links: Jellybean Opamps: https://www.youtube.com/watch?v=uq1DMWtjL2U NESS Factory tour: https://www.youtube.com/watch?v=bTij7Juj5qE http://www.artschip.com/pdf/LM358.pdf https://www.st.com/content/ccc/resource/technical/document/datasheet/61/46/87/01/98/ed/44/c5/CD00000464.pdf/files/CD00000464.pdf/jcr:content/translations/en.CD00000464.pdf Forum: https://www.eevblog.com/forum/blog/eevblog-1697-whats-up-with-different-brand-op-amps/ Web Site: http://www.eevblog.com Hardware Store: https://eevblog.store/ Merch Store: https://eevblog.dashery.com/ If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblog Other channels: EEVblog2: http://www.youtube.com/EEVblog2 EEVdiscover: https://www.youtube.com/eevdiscover #ElectronicsCreators #Design #Opamps

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