LM3900 Positive Differentiator (CB5054E)

The circuit shown in the figure has an output voltage rise time of 0.22 ms and an input time constant of approximately 1 ms.

Sound Effects Generator (CB25050E)
Found in the June 1987 issue of Radio Electronics magazine, this circuit uses well-known CMOS...
High sensitivity receiver for fiber optics (CB9734E)
This Low Speed circuit was found in an American documentation from the 1980s. The integrated...
Aviation Band Receiver (CB26085E)
This circuit was found in the January 1999 issue of Electronics Now magazine. The circuit uses an...