Tag Archives: Current Source

Precision Current Source

Posted on March 6, 2010 by Rend
Precision Current Source

This is a circuit of precision current source. This circuit uses two kinds of transistor, the 2N2219 bipolar and the 2N3069 JFET. Both of them are used as voltage devices between the current sensing resistor and the output. As the … Continue reading →

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Linear TEC (Thermo Electric Cooler) Driver

Posted on December 25, 2009 by Adam
thermoelectric-cooler-driver

TEC is one of the cooler that was popular because of its robustness and maintenance free characteristic. This article shows one example of the TEC driver. To operate this circuit operates we need a single +5V supply and drives the … Continue reading →

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