Found in American documentation from the 90s, this circuit has a timing system for activating the headlamp and lanterns.
We found this circuit in factory documentation from the 70s. The operational amplifier is from...
This amplifier, of excellent quality, provides a power of 40 W IHF, or 22 W RMS, in a load of 8...
This circuit produces an intermittent ring tone being triggered directly by the telephone line. However,...