H Bridge Current Monitor (CB5393E)

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

15 to 4800 Hz Variable Oscillator (CB13742E)
This circuit was found in a 1975 technical publication. The circuit can be designed with 741...
FET Hartley 2 (CB22392E)
The difference between this oscillator in relation to the previous one is in the use of source...
Active Tone Control (CB6314E)
We found this circuit in a 1969 Mullard documentation. The same configuration appears elsewhere in...