All items tagged with Circuit and Power (49)

| The testet provides 16 LEDs arranged on the board in the shape of a 16-pin DlL package. Each of these LEDs indicates the logic level pre...

| Most of you will be familiar with the etassie resisror-capacitor cornbination which serves to reset a microprocessor er -controller.

| Although designed m a robust, wideband output driver for the MAX038-based Function Generator described in the June 1995 issue of Elektor...

| Electronic circuits that draw a current of more than a few milliamperes should preferably not be powered by a battery: most are, therefore,...

| active power buffer Frequently, a direct voltage is required in a circuit that must be free of hum and noise, but not regu- lated. For in- s...

| Most of today's 486 and Pentium PCs offer a 'Green Power' function which serves to switch off external components automatically when the c...

| The tester checks whether a transistor, n-p-n as weIl p-n-p , works or not. If it does. the buzzer emits a squeak.

| There is a problem if you want to use a car battery to power a circuit which requires a symmetrical supply voltage. Having abandoned the i...

| The circuit shown in here has been designed to protect (expensive) high-power resistors against overheating. Very high power resistors (...

| The transmitters is a crystal-controlled, battery-powered, one-chip narrow-band FM (NB FM) model for operation in the 27-MHz band, primar...