EEVblog

EEVBlog #1116 – The Capacitance Multiplier

Circuit building block time. The capacitance multiplier and how it gives almost negligible power supply ripple compared to a voltage regulator. Whiteboard theory and then some bench demonstrations and experiments. Plus a twist at the end that proves that the “Capacitance multiplier” is perhaps one of the most mis-named circuits ...

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EEVblog #1115 – Traps In Chips – And the 7660

Dave looks at some traps in chips and their modes of operation. In this case the TI LM2776, a look a the classic 7660 charge pump voltage inverter, and output ripple and ways to reduce it. Parametric searching, and a look at some interesting rail inverters. The uSleeve Forum HERE ...

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EEVblog #1112 – Vintage Computer Warehouse Diving!

The Australian Computer Museum Societies’ warehouse has to shut down next week, so Dave goes warehouse diving. If you know of someone willing to donate warehouse space in Sydney, please let me know. UPDATE: Please don’t contact them with offers of small donations space, they need a HUGE space, as ...

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