Ton Giesberts (358)

1-05-2010 | The article 'Blinded by the Light?' in last the February 2010 edition showed that LED lamps didn’t exactly present a clean load to t...

1-03-2010 | It’s not always easy to reverse a car. There are some good reasons why modern cars are often fitted with sensors that indicate when the rear...

1-02-2010 | How can you find out how stable a lab or benchtop supply is? You can get a good impression of the stability of a power supply under various...

1-02-2010 | Elektor Live! 2009 was almost there. In the weeks leading up to the event, Ton Giesberts was busy in the Elektor lab with designing, measuri...

1-02-2010 | With personal PA systems there’s a fairly good chance of feedback howl. This occurs when the headset microphone picks up the sound from the...

1-02-2010 | When the load of a power supply is not purely resistive but reactive, or worse, non linear, the current through the load may not have the sa...

1-02-2010 | A minimum of parts is needed to turn a TDA7052 IC into a mini audio amplifier. Here's how.

1-11-2009 | During the winter many people suffer from Seasonal Affective Disorder (SAD), which is commonly known as the winter blues. With the help of b...

1-10-2009 | For the last few years we haven't worried too much about noise in audio any more. In the past, and we mean the pre-CD era, the noise fro...

1-10-2009 | The PWM power stage discussed in the previous instalment (June 2009) can be used perfectly well on its own. But a matching preamplifier with...