??? 05/17/04 20:41 Read: times |
#70533 - RE: PNP Responding to: ???'s previous message |
Hello Andy,
Since the 8051 family being able to sink much more current than it can source PNP transistors would be the natural choice. The following circuit demonstrates this well. http://www.webelectricmagazine.com/01/4/schd...chdino.gif Regards, Charles Bannister ![]() |