Engineer In Wonderland | Electronics Weekly https://www.electronicsweekly.com/blogs/engineer-in-wonderland/ Electronics Design & Components Tech News Thu, 05 Sep 2024 14:06:31 +0000 en-GB hourly 1 https://wordpress.org/?v=6.2.2 https://www.electronicsweekly.com/wp-content/themes/ew/images/logo.gif Electronics Weekly https://www.electronicsweekly.com/blogs/engineer-in-wonderland/ 125 75 Electronics Design & Components Tech News One I missed: Deluxe signal generator output stage with DAC https://www.electronicsweekly.com/blogs/engineer-in-wonderland/one-i-missed-deluxe-signal-generator-output-stage-with-dac-2024-09/ https://www.electronicsweekly.com/blogs/engineer-in-wonderland/one-i-missed-deluxe-signal-generator-output-stage-with-dac-2024-09/#respond Thu, 05 Sep 2024 14:06:30 +0000 https://www.electronicsweekly.com/?p=847776 Analog Devices has an output stage IC designed particularly for arbitrary waveform generators and power supplies. It is rather pricey, at $86 from Digikey, for example ($360 for the eval ...

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Sallen and Key filter puzzle with LTspice https://www.electronicsweekly.com/blogs/engineer-in-wonderland/sallen-and-key-filter-puzzle-with-ltspice-2024-09/ https://www.electronicsweekly.com/blogs/engineer-in-wonderland/sallen-and-key-filter-puzzle-with-ltspice-2024-09/#respond Tue, 03 Sep 2024 14:27:31 +0000 https://www.electronicsweekly.com/?p=847623 I was concocting a rather silly low-pass filter design, when I remembered that Messrs Sallen and Key did it better in the 1950s, and decided to use their two-pole design ...

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Excellent ‘free’ book on bipolar transistors (and other excellent free books too) https://www.electronicsweekly.com/blogs/engineer-in-wonderland/excellent-free-book-on-bipolar-transistors-2024-08/ https://www.electronicsweekly.com/blogs/engineer-in-wonderland/excellent-free-book-on-bipolar-transistors-2024-08/#respond Wed, 28 Aug 2024 09:53:00 +0000 https://www.electronicsweekly.com/?p=847264 There is some hogwash out there, masquerading as engineering white papers, which are really just click bait to get your contact details. And there are some gems available for the ...

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Is anyone working on a pesticide sensor? https://www.electronicsweekly.com/blogs/engineer-in-wonderland/is-anyone-working-on-a-pesticide-sensor-2024-08/ https://www.electronicsweekly.com/blogs/engineer-in-wonderland/is-anyone-working-on-a-pesticide-sensor-2024-08/#respond Wed, 21 Aug 2024 09:04:25 +0000 https://www.electronicsweekly.com/?p=846900 We got to hear of a citizen science project recently, where volunteers regularly sample a river and its tributaries to gather water quality information. Nitrates, for example, are measured using ...

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One I missed: OnSemi NCV68261 ideal diode and high-side switch https://www.electronicsweekly.com/blogs/engineer-in-wonderland/one-i-missed-onsemi-ncv68261-ideal-diode-and-high-side-switch-2024-08/ https://www.electronicsweekly.com/blogs/engineer-in-wonderland/one-i-missed-onsemi-ncv68261-ideal-diode-and-high-side-switch-2024-08/#respond Tue, 20 Aug 2024 15:38:47 +0000 https://www.electronicsweekly.com/?p=846855 YouTube presented me with a video* about a reverse polarity protection IC, On Semi’s NCV68261, which can also be an ideal diode and a load controller. And, being partial to ...

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Software-defined radio using a Raspberry Pi Pico https://www.electronicsweekly.com/blogs/engineer-in-wonderland/software-defined-radio-using-a-raspberry-pi-pico-2024-08/ https://www.electronicsweekly.com/blogs/engineer-in-wonderland/software-defined-radio-using-a-raspberry-pi-pico-2024-08/#respond Tue, 13 Aug 2024 16:46:21 +0000 https://www.electronicsweekly.com/?p=846510 I came across a delightful design by the un-named person behind 101 Things, a blog and a YouTube channel. It is an up-to-30MHz software defined radio using a Raspberry Pi ...

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One I missed – cunning hysteric dc-dc converter https://www.electronicsweekly.com/blogs/engineer-in-wonderland/one-i-missed-cunning-hysteric-dc-dc-converter-2024-08/ https://www.electronicsweekly.com/blogs/engineer-in-wonderland/one-i-missed-cunning-hysteric-dc-dc-converter-2024-08/#respond Mon, 12 Aug 2024 16:14:09 +0000 https://www.electronicsweekly.com/?p=846448 NCV30161 is a dc-dc converter intended to drive leds with a continuous current – albeit with a superimposed triangle wave. It is a buck converter – slightly up-side-down because it ...

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Raspberry Pi makes RISC-V more accessible https://www.electronicsweekly.com/blogs/engineer-in-wonderland/raspberry-pi-makes-risc-v-more-accessible-2024-08/ https://www.electronicsweekly.com/blogs/engineer-in-wonderland/raspberry-pi-makes-risc-v-more-accessible-2024-08/#respond Fri, 09 Aug 2024 15:51:52 +0000 https://www.electronicsweekly.com/?p=846394 In choosing to put RISC-V cores on its new microcontroller – fear not, there are Arm Coretex-M33 cores too – Raspberry Pi will be helping put this architecture on the ...

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One I missed – a whole new sort of pylon for the UK https://www.electronicsweekly.com/blogs/engineer-in-wonderland/one-i-missed-a-whole-new-sort-of-pylon-for-the-uk-2024-08/ https://www.electronicsweekly.com/blogs/engineer-in-wonderland/one-i-missed-a-whole-new-sort-of-pylon-for-the-uk-2024-08/#respond Wed, 07 Aug 2024 09:43:04 +0000 https://www.electronicsweekly.com/?p=846215 I had no idea that National Grid has installed a new sort of pylon – T-pylons, all the way back in 2021/22 in Somerset. There are 36 of them, rated ...

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Slightly fiddly-to-find ATtiny412 information https://www.electronicsweekly.com/blogs/engineer-in-wonderland/slightly-fiddly-to-find-attiny412-information-2024-07/ https://www.electronicsweekly.com/blogs/engineer-in-wonderland/slightly-fiddly-to-find-attiny412-information-2024-07/#respond Mon, 22 Jul 2024 16:33:09 +0000 https://www.electronicsweekly.com/?p=845313 The delightful 8pin ATtiny412 comes in a few versions, all with 4kbyte of flash and 256byte of ram, and it takes a while to dig out the following: ATtiny412-SSNR 20MHz ...

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