This 1980s documentation circuit uses a 741 in a different high-speed comparator configuration. The feed must be symmetrical. The diode is general-purpose.
This amplifier with complementary output transistors delivers a 20 W load at 80 ohms. We find it...
Other operational amplifiers from the same family such as MC34002, MC35001, MC34004 and MC35004 can...
This circuit activates a warning lamp when an incoming call is received. We found it in an 80s...