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26 Jun 2015

In today’s post is a tiny Programmable Waveform Generator module based on the Analog Devices AD9833

AD9833 Waveform Generator – [Link]

21 Jun 2015

Dave gives his first impression of Altium’s new FREE PCB design tool for the maker community, Circuit Maker.
What are the limitations?
What do you get?

EEVblog #754 – Altium Circuit Maker First Impressions – [Link]

21 Jun 2015

Dave checks out a Fluke/Philips PM2812 System DC Power supply he scored from ebay for 30 bucks.
Does it work?
Will the bunker hardware tin collection come through?

EEVblog #755 – Fluke PM2812 PSU Ebay Score – [Link]

18 Jun 2015

A tutorial on zener diodes and how to use them as voltage clamps, voltage regulators, and how to create audio distortion circuits.

What is a zener diode? – [Link]

13 Jun 2015

A look inside a 10GHz microwave comms transceiver head.

10GHz Microwave link teardown – [Link]

7 Jun 2015

Teardown & Repair of an Agilent EPM-441A (E4418A) Power Meter Plus Tutorial on Power Sensors – [Link]

2 Jun 2015

Dave explains how BJT and MOSFET transistors work at the silicon chip level.
How does a BJT transistor actually amplify current?
P and N type doping, charge carriers, conduction channel, field effect, holes and electrons, all the other good stuff.

EEVblog #748 – How Do Transistors Work? – [Link]

2 Jun 2015

A tutorial covering the advantages and disadvantages of schottky diodes over regular silicon diodes.

What is a schottky diode? – [Link]


23 May 2015

Teardown of Given RF pillcam.

Another pill-cam teardown – [Link]

23 May 2015

What’s inside the a 1987 vintage Sharp X68000 personal computer / gaming system from Japan?
Sold exclusively in Japan from 1987 to 1993 this 10MHz 68000 based boasted graphics capability superior to the Amiga and Atari ST. The powerful graphics enabled pixel-perfect ports of clasic games arcade games, and the machine was highly sought after by gamers. Running a custom operating system called Human68K, it even had 3D goggle support.

EEVblog #746 – Sharp X68000 Retro Computer Teardown – [Link]





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