[2317] Order Modules Now!

Date: October 30th, 2017 | Comments : none | Categories: DIY.

AMZ module

Order assembled modules now, before the price goes up!

I had no intention of increasing the price of the modules, but I ordered some Jfet buffer modules this morning, and found that the factory had added a setup charge that almost doubles the price. Ouch!

I’m not sure if I can continue to offer pre-assembled modules at the new higher production cost, so I may have to look for a new assembler or discontinue them.

There are plenty of the Opamp and V-Doubler modules in stock, and lesser amounts of the others. The Jfet buffer module is out of stock but I will have it at the current price when the new order arrives in a couple of weeks.

I will keep the prices on all modules at the current amount through the end of 2017, or until the stock of each module runs out. Not too sure what will happen in the new year. The production cost increase does not apply to the ready-to-solder pc boards. It only applies to the pre-assembled modules.

Thanks for your interest. Best regards, Jack

 

[2314] Decapping the LM308

Date: October 19th, 2017 | Comments : none | Categories: DIY.

LM308 die shot

If you are a fan of the LM308 for use in the ProCo Rat, then you probably will be interested in reading Ken Shirriff’s blog where he strips away the layers of the integrated circuit and shows the chip’s internals.

Die photos and analysis of the LM308 op amp

 


 

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