More about Electronics (817)

| SWITCHABLE A.C. SUPPLY Many experiments in the electronics workshop require a.c. voltages simply by setting the alternating supply voltages...

| Quartz crystals are ground by the manufacturers to oscillate either on the fundamental frequency or on one of the odd harmonics (overton...

| It is not two well-known that If the characteristics of the two transistors making up a multivibrator are near-identical, it is very dif...

| Occasionally, an ideal fullwave rectifier is required, for example inadynamie compressor where switching thresholds and non-linear behav...

| Temperature sensors and switches in the TC62x series from Teledyne Components make some interesting applications practicable. They are pa...

| The meter can measure the spacing between the trailing edges of not fewer than two, or more than, rune pulses in a train, The number of...

| This unit is intended as an add-on for the many lead acid battery chargers that have no charge indicator. A green LED shows that the bat...

| Most modern video units are provided with an S-VHS or Y /C output. This output furnishes the black-and-white information (luminance or Y...

| The mains-synchronised oscillator has certain advantages over a simple zero crossing detector. For instance, the brief failing of input p...

| As far as audio enthusiasts are concerned, striving for perfection is a never-ending quest. The present circuit should appeal to them.