EEVblog #281 - BK Precision 8500 Electronic Load Teardown

http://www.bkprecision.com/products/dc-electronic-loads.html

Featured Chips:
AD7708: http://www.analog.com/static/imported-files/data_sheets/AD7708_7718.pdf
DAC7631: http://www.ti.com/lit/gpn/dac7631
ADR421: http://www.analog.com/static/imported-files/data_sheets/ADR420_421_423_425.pdf
IRFP250N: http://www.irf.com/product-info/datasheets/data/irfp250npbf.pdf

Teardown Tuesday.
What's inside BK Precision's 8500 300W 120V/30A DC Electronic Load?
It is also known as the Itech 8512.
http://www.itech.sh/en/products.jsp?id=12&sortid=001005

Dave's DIY Simple Constant Current Dummy Load:
http://www.youtube.com/watch?v=8xX2SVcItOA