[2514] Isolated 24v from 9v Power Supply

Date: February 10th, 2019 | Comments : none | Categories: DIY.

DC-DC converter to give isolated 24v from a 9v power supply jack. Full article is in the AMZ Lab Notebook.

Edit: I have a few extra pc boards of this project, so if you want one to use for experimentation, I am selling the spares for $5 each plus postage:

 

[2510] 9v Isolated Power

Date: February 7th, 2019 | Comments : none | Categories: DIY.

Details of my 9v isolated power converter now in the Lab Notebook.

 

[2500] What is a Preamp?

Date: February 1st, 2019 | Comments : [1] | Categories: DIY.

In the last year or so, I have noticed a number of new pedals being introduced that are being called preamps. So what is a preamp, and can a pedal serve as one?

In audio applications, a preamp is a circuit that amplifies very weak audio signals to a level that will drive a power amplifier to its rated capacity.

(more…)

 


 

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