This integrated amplifier was found in a non-existent British magazine from 1975. The used integrated circuit is still popular and the mono bridged version can provide 36 W output power. 4 A.
This high quality circuit with complementary symmetry was found in an Electronics World of 1966....
Other CMOS gates can be used in this sensor, which we found in the July 1995 Electronic Now...
We found this digital scoreboard in a 1998 publication. It has two 7-segment displays, but it can...