North Coast News

Video picks
2017 Sep 3rd

Video picks

I've been busy this week dusting off the design for the Leapfrog Filter. I really did most of the work on it back in 2016, and I even built a prototype which works pretty well, as you can hear in audio demos like this one. I'm hoping that will tran…

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Understanding stabilization capacitors
2017 Aug 27th

Understanding stabilization capacitors

Here's a simplification of the output driver circuit from the MSK 008 Dual VC Octave Switch. It's a familiar inverting op amp circuit with gain of -1. The op amp's positive input is tied to 0V; it will act to force its negative input to also s…

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Free EDA software rundown
2017 Aug 20th

Free EDA software rundown

The MSK 008 Octave Switch is planned to launch tomorrow and I've already posted the manual; so I thought it would be fun for this week's Web log entry to introduce some of the software tools I use for producing, and especially for documenting, module…

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Reality check: HP
2017 Aug 13th

Reality check: HP

Modular hobbyists love to invent fantasy modules. We'll sit down and sketch out just exactly the modules we wish we had in our racks, and then either show the mock-up images to their friends and leave it at that, or take it a little more seriously a…

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Post-launch thoughts
2017 Aug 6th

Post-launch thoughts

The shop has been open a few days.  Response hasn't been all that I hoped it would be.  There was a burst of traffic on the first day, but not the level of third-party referrals, social sharing, and in particular sales that I was hoping f…

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Launching the Web shop
2017 Aug 1st

Launching the Web shop

This is it! After many delays I'm happy to finally cut the virtual ribbon and open this Web shop. Take a look around; most things should be self-explanatory.  I customized the theme a bit and am not certain everything will work on all brows…

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