Found in an Electronic Design of 1965, this circuit consists of NOR gates and can be used in astable and monostable multivibrators.
Using bipolar, FETs and unijunction this long-lasting timer can reach 10 hours with good quality...
The configuration shown is from the National Semiconductor Linear Applications Handbook. The...
This shield circuit uses a common CMOS port. The voltage depends on the interfaced logic. The...