Flasher CA3130 (CB22004E)

Found in an English documentation from 1977, this flasher or pulser circuit drives an LED. The frequency depends on C2.

Under-temperature switch (CB9357E)
Found in Radio Electronics from the 90s, this circuit uses a thermistor as a sensor that can have...
Electronic Bargraph Scale (CB16655E)
The scale of this scale uses LEDs, and its accuracy depends on the number of LEDs. We found this...
Burst generator (CB21067E)
Found in American documentation from the 90s, this circuit generates sound bursts according to the...