# Impedance

## Links

 - [Why your Function Generator's output voltage reading can be wrong](https://www.youtube.com/watch?v=tClE8s6RZdg)
 - [Why is it desirable in an amplifier to have high input impedance and low output impedance?](https://electronics.stackexchange.com/questions/68638/why-is-it-desirable-in-an-amplifier-to-have-high-input-impedance-and-low-output)
 - [Input Impedance of an Amplifier](http://www.electronics-tutorials.ws/amplifier/input-impedance-of-an-amplifier.html)
 - [INPUT and OUTPUT IMPEDANCE](https://www.pdx.edu/nanogroup/sites/www.pdx.edu.nanogroup/files/2013_Input_output_impedance_9.pdf)
 - [Measuring Impedance](http://www.learnabout-electronics.org/ac_theory/impedance73.php)
 - http://www.electronicdesign.com/communications/back-basics-impedance-matching-part-1