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Circuits designed by David Johnson, P.E.
Last Updated on: Friday, November 17, 2017 06:32 AM

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More  Transimpedance Amplifiers

40KHz LIGHT RECEIVER FRONT-END CIRCUIT
 

This circuit uses a unique cascode Amplifier circuit to convert the current from a PIN photo diode to a current without any feedback network. It is very stable and very sensitive. The circuit shown has the potential for a conversion factor of 10 volts per microwatt at 900nm. I included a simple JFET post-amplifier with a gain of about 20.

Click on Drawing Below to view PDF version of Schematic

Circuit 40KHz Light Receiver Front End Circuit designed by David A. Johnson, P.E. (June 14,2000)

More  Transimpedance Amplifiers

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