More about amplifier (487)

1-07-2003 | Since modern sound systems usually lack inputs for record players, separate MD preamplifiers are becoming increasingly popular. They are nee...

1-02-2003 | In this semiconductor age, we find valves being used increasingly often for hi-fi and guitar amplifiers, top-end condenser microphones and s...

1-12-2002 | Butterworth filters, and to a lesser degree Bessel filters, are probably the most commonly used types of analogue filters. However, in circu...

1-09-2002 | This power supply unit (PSU) provides hum-free and stable operating voltages for valve preamplifiers and power stages. Negative bias voltage...

1-07-2002 | Elsewhere in this collection of small circuits a 1-dB version of a third-order Chebyshev filter can be found. This 3-dB version is a bit ste...

1-07-2002 | The instrumentation amplifier described here has two important features. Its input is electrically isolated and it has no fewer than 16 inpu...

1-04-2002 | By utilising a special processor and a variable step-down converter, STMicroelectronics in partnership with Indigo Manufacturing have succee...

1-02-2002 | Only a few years ago, many music lovers turned up their noses on seeing a hybrid circuit or integrated circuit in a final amplifier, but now...

1-02-2002 | Despite semiconductors being all around us, it seems that valves have never lost their appeal and even enjoy increasing interest from the ‘a...

1-11-2001 | Semiconductor manufacturers are always coming up with new techniques and tricks for making effective use of energy. Final amplifiers for car...