More about amplifier (484)

1-01-1998 | We can only answer questions or remarks of general interest to our readers, concerning projects not older than two years and published in E...

1-12-1997 | This inexpensive VHF preamplifier uses the BF324 1092 style pnp transistor in a grounded-base configuration. The circuit may be used as a...

1-11-1997 | The magnification of very weak audio-frequency signals is and remains a precarious affair. That is why a microphone amplifier good en...

1-09-1997 | There is no single answer to the question of whether audio amplifiers using transistors are better than those using valves or vice versa. It...

1-09-1997 | Almost fifty years ago, Wireless World (now Electronics World) published the design of an audio output amplifier that gave a new dimension t...

1-07-1997 | This amplifier board is aimed at those of you who want to experiment with RGB video connections between a PC and VGA monitor. Many up-ma...

1-07-1997 | Apart from their electronic configuration, all output amplifiers comprise the same elements: an amplifier board, a mains transformer; a b...

1-07-1997 | In symmetric preamplifiers and output amplifiers, it is highly advisable, if not imperative, to use truly complementary transistors. This...

1-07-1997 | The broad-band instrumentation amplifier described may be used for a number of applications. It has symmetrical Inputs and a variable amp...

1-05-1997 | The battery-powered preamplifier published in our February 1997 issue must have made many of our readers long for a matching power amplifie...