More about amplifier (484)

1-02-1996 | If you are after great sound at an affordable price, go out and buy a pair of high-quality headphones. Next, you will need a dedicated hea...

1-12-1995 | A transconctuctance amplifier is a device whose output current is a function of the difference voltage at the inputs multiplied by a curre...

1-12-1995 | The amplifier described is intended as a practice unit for guitar players. Its power output is not sufficient (in most cases) for use duri...

1-12-1995 | The wideband distribution amplifier is based on a single Type OPA621. This op amp is typified by a very short settling time, a high slow...

1-12-1995 | The chip on wh ich the amplifier is based, a Type LM3876, is a member of the Overture family from National Semiconductor. All members of...

1-12-1995 | The matching circuit consists of a variable passive attenuator and an amplifier with variable gain: 0-20 dB. The attenuator reduces the s...

1-11-1995 | Taken by themselves, the properties of the PA300 amplifier are not revolutionary. But taken in combination, they show something special:...

1-10-1995 | An amplifier is described which, after a tuning fork has been struck, gives a continuous 440 Hz tone (= International A), so that the user...

1-09-1995 | The medium Power HEXFET amplifier published in this magazine in December 1993 has one small drawback: It delivers 'only' 60 W into 8 Ω (o...

1-09-1995 | On much audio equipment, the headphone output is simply derived from the loudspeaker output via a series resistor: not a very elegant desi...