More about Amplifier (436)

| Last month we discussed the principle of error correction and developed an error-correction power output stage. In this installment we will...

| In Part I and part II about the paX amplifier we developed a complete error-correction power amplifier. In this accompanying article the pro...

| Most solid state power amplifiers employ some form of global negative feedback to reduce non-linearities and output impedance. In some cases...

| Valves (or ‘vacuum tubes’) are experiencing a real revival in the audio world, which can readily be seen from the large number of commercial...

| You might think that amplifiers are like sand on the beach. But if you restrict your search for fully assembled amplifier modules to hi-fi a...

| It is 100 years ago this year that the triode was invented by Lee de Forest.It is remarkable that triode output stages still occupy an impor...

| There are still a lot of hobbyists who enjoy making high-quality live audio recordings of concerts, interviews, radio broadcasts, natural so...

| The schematic of our preamplifier is very simple because it uses a very low-noise dual operational amplifier. Here the NE5532 is used, whose...

| Designs for audio amplifiers with DC coupling to the load are not often encountered these days, even though they offer definite advantages....

| Galvanic isolation is a special feature of this telephone amplifier, which includes a line output connection for a hi-fi system.Although in...