Ttl logic tester

2016-01-26 03:43  
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.


Gates Gl and G2 together with resistors Rl and R2 form a simple voltage monitor that has a trip point of 1 volts. Gate G3 is simply an inverter. The display section of the tester consists of a common anode alphanumeric LED and current-limiting resistors
Ttl logic tester

It indicates whether the input voltage is above or below 1,4 V, and displays a H or a L (for high or low logic-level) respectively.



Reprinted Url Of This Article:
http://www.next.gr/digital/logic-circuits/ttl-logic-tester-l12928.html