This circuit is from a 1965 General Electric hobby manual. The circuit can be assembled with sensitive reed relays.
We found this circuit in a Linear Technology component manual. The circuit also has a DC zeroing...
This circuit has a scale of 0 to 2.56 V, but it can be changed by changing the values of the...
Figure Bellow shows how to use a 7490 (TTL) IC to divide the frequency of a TTL signal by 6; The...