| Electronic circuits must never be operated with an excessive supply voltage. Such a situation may be prevented with the protection circuit...
| Electronic circuits must never be operated with an excessive supply voltage. Such a situation may be prevented with the protection circuit...
| The circuit in the diagram enables a negative voltage to be derived without the use of integrated circuits. Instead, it uses five n-p-n tr...
| Accurate measurements that are not affected by ambient temperature may be taken when the part or circuit being tested is placed in an oven...
| A linear circuit consisting of an input buffer, IC1a, and output-scaling amplifier, IC1b, two zener diodes, D1 and D2, and several other c...
| Have you ever needed to power a 12-volt relay in a circuit but only had 6 or 9 volts available? This simple circuit will solve that problem...
| The Type LM35 temperature sensor from National Semiconductor is very popular for two reasons: it produces an output voltage that is direct...
| Today some aspect of chaos theory is often seen in science magazines and even newspapers. Does it have any relevance to radio and othe...
| Digital voltmeters are popular tools for anyone wishing to measure electrical voltages. The circuit described here is, we feel, unique bec...
| Many hobbyists seem to harbour a desire to control stepper motors from a PC. Unfortunately, complete stepper motor interfaces that can com...
| Many experts in the field query the use of sinewave signals to test amplifiers and other audio gear. Although a rectangular signal is i...