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We found this circuit in the November 1992 issue of Radio Electronics magazine. The 30V power supply must be symmetrical and preamplification stages are included.
This 4-digit digital clock is ideal for anyone looking for a TTL project for school. The circuit uses...
The circuit given below was found in the National Semiconductor Linear Applications Handbook. The...
Found in the August 1982 issue of Radio Electronics magazine, this circuit lights LEDs in sequence...