Ton Giesberts (358)

1-07-1995 | Bessel filters have a fairly constant transit time (delay) over the pass band and their characteristic thus shows no ringing. This means,...

1-07-1995 | This circuit was originally designed to enable one S/PDIF output on a CD player to drive several inputs. The circuit acts as a 3-way spli...

1-03-1995 | The power that can be obtained from a standard car radio amplifier operating from a 12 V car battery is 5-6 W, which (for many listeners)...

1-01-1995 | A digital-to-analogue converter is described, which is intended to be connected directly to a compact disc player or digital cassette reco...

1-12-1994 | Oscillators exist in a bewildering number of types and variants, each with its own, specific, features. A type known for its near-perfect s...

1-12-1994 | The gyrator, or electronic inductor, is based on a Type NE5532 operational amplifier and can be used in filters and other apphcauons at...

1-12-1994 | Most readers will be acquainted with a tone control as found on many audio amplifiers. Such a control normally consists of a potentiomet...

1-12-1994 | Standard potentiometers have some unfortunate properties, such as crackling when they get older and unequal tracking in stereo types. A...

1-12-1994 | The filter consists of two fourth -order sections in series. Various components in the second section have been given two different valu...

1-12-1994 | As described in Part 1, the temperature sensor is linked to the protection circiut in the inverter via K1 (pins 2, 4, 6 and 8). lts outp...