Found in a Motorola documentation from the 70s, this circuit makes use of transistors of the time. Modern equivalents can be used. The diode also supports an equivalent.
This circuit was found in Siliconix documentation from the 1980s. Equivalent operational...
We found this circuit in a 2001 publication. It sequentially drives Laser Pointers at a speed that...
The circuit shown in the figure presents a 18 dB attenuation for frequencies below the cut. The...