| Analog circuits have had their day; everything is digital now. Here we present a simple digital amplifier built with standard CMOS logic gat...
All items tagged with Simple and Circuit (25)
| A noise generator with a wideband output signal is always handy to have around when you’re adjusting receivers and other types of HF equipme...
| Chip manufacturers are always coming up with ever more sophisticated constant current driver chips for LEDs. We have included this design fo...
| This circuit is suitable in every situation where over-current protection is required. Here we give an example from the model train world.Ev...
| The fan runs constantly in many PCs, which may not even be necessary. A simple controller circuit can regulate the fan speed according to...
| The TDA1572 integrated AM receiver circuit performs all the active functions and part of the filtering required of an AM radio receiver. It...
| 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...
| In many instances, suspect television receivers and monitors can be tested with a simple test pattern generator as described in this a...
| Simple triangle-wave generators have a weakness in that the waveform of their output signal normally cannot be modified. The circuit pre...
| This little circuit will be valued highly whenever a signal is required for the testing of infrared receivers. In most cases, such a tes...