H Bridge Current Monitor (CB5393E)

We found this circuit in a 2005 Linear Technology manual. Observe the component values and operating current range.

Linear switch using FET (CB6919E)
Found in a 1967 Electronics World, this circuit can use any modern equivalent FET. Observe the...
400 Hz variable Q filter (CB7565E)
Found in American documentation from the 90's, this circuit applies to other operational...
Flashing mobile bar with 4017 (CB25434E)
This circuit was obtained from the February 1992 Radio Electronics magazine. In it, a bar of 4...