Audio Cable Tester (CB3827E)

This simple circuit tests both monophonic and other two-wire audio cables. The circuit is powered by two common batteries.

Tunable Simple Oscillator (CB4931E)
We found this circuit in an old documentation, using an operational of the time. The circuit...
H Bridge Current Monitor (CB5902E)
This conventional H-bridge current monitor circuit was obtained from a 2005 Linear Technology...
High Side MOSFET Driver (CB20919E)
Found in old documentation for radio amateurs, this circuit is intended to excite a MOSFET on the...