Found in old documentation, this source uses an integrated circuit from that time, which is uncommon nowadays. The power source has a ripple below 1 mV.
This circuit can be used to test zener diodes up to 25 V using a standard multimeter. The voltage...
This TTL traffic light circuit was found in an English magazine from 1977. The magazine no longer...
This circuit is from National Semiconductor documentation. The operational amplifier is of the...