This amplifier stage was equipped with a Motorola radio from the 70s. The transistors were from that time and the single transistor output used an autotransformer.
This interesting circuit, which can be used as an alarm, was found in a 1997 documentation. It...
The figure shows how to implement a No – OR or NOR function with 1 general purpose transistor. The supply...
This circuit was obtained in Linear Technology documentation from 1993. The circuit provides 3.3 V and...