This circuit is from the time when cars used contact breakers. This 80's version measures the dwell angle of the contact breaker for dwell adjustment using an era integrated circuit, the LM3917.
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...