Design & Build

Various electronics design and build

EEVblog #1129 – Creating a Nice Readable Schematic

How to turn a horrible unorganised schematic into a nice readable modular schematic with proper signal flow. Tips on industry standard and expected layout techniques. Using the open source Haasoscope oscilloscope as an example. Please do NOT complain about the length of this video. I know. It is what it ...

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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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