Position: Index > Switch Circuit >

Touch-sensitive switch

2015-10-09 09:14  
Declaration:We aim to transmit more information by carrying articles . We will delete it soon, if we are involved in the problems of article content ,copyright or other problems.


A high impedance input is provided by Ql, a general purpose field effect transistor
Touch-sensitive switch

741 op amp is used as a sensitive voltage level switch which in turn operates the current Q2, a medium current PNP bipolar transistor, thereby energizing the relay which can be used to control equipment, alarms, etc.



Reprinted Url Of This Article:
http://www.next.gr/other-circuits/switch-circuits/touch-sensitive-switch-l12574.html