A Darlington pair is used to offer a very high current gain even with low base current. Darlington configuration was invented by Sidney Darlington in the year of 1953. It is similar to the sziklai pair but uses two NPN and has a 1.2V activation voltage.
\[I_C= I_B * (\beta_1 * \beta_2)\]svg schematics by matt-chv is licensed under CC BY-SA 4.0
