We found this circuit in a Radio Electronics issue from July 1969. The lamp remains on until C1 opens. The time is given by capacitor C1.
This noise generator uses the thermal noise of a common diode junction. The circuit is from an...
This solid-state relay (SSR) or shield was found in a 1995 Electronics Now. The transistor can be...
Other operational amplifiers from the same family such as MC34002, MC35001, MC34004 and MC35004 can...