Author

Vogel Burkhard

Vogel Burkhard

Burkhard achieved the degree Diplom-Ingenieur (Telecommunications) from Darmstadt University of Technology, Germany, in 1973. He then decided to follow a general management career path in the high-tech and IT industry in Germany, Switzerland and Austria. In the recent decade fruitful discussions on valve audio and electronic noise topics with customers, employees, colleagues and friends led to a range of magazine articles and books on these issues.

Written articles
The RIAA Phono-Amp Engine II - Burkhard Vogel

Burkhard Vogel set out to rectify some shortcomings of his Phono Engine I which was presented in “The Sound of Silence”, specifically the switching between the various input-output...

Letter to the Editor Burkhard Vogel

Letter to the Editor Burkhard Vogel Burkhard Vogel comments on two articles in Vol 0: Frank Blöhbaums A New Low-Noise circuit approach for Pentodes; Joachim Gerhards Down the Rabbit Hole -...

The Glowing Noisemaker Reloaded

Burkhard Vogel had an article in  the fifth Linear Audio (Vol 4) about calculating the noise production of triode gain stages. In this article Burkhard develops simulation models...

Letter to the Editor Dave Kimber

Letter to the Editor Dave Kimber and Burkhard Vogel. Burkhard Vogel and Dave Kimber commented on Frank Blöhbaums article in Vol 0 A New Low-Noise circuit approach for Pentodes. Frank...

The Glowing NoiseMaker - On the demystification of triode noise

Burkhard makes the observation that the audio designer, when it comes to noise performance of his triodes, often has incomplete, contradicting or even missing information available. He sets out to...

Challenging BJT Noise

Hit by a surprising noise production mechanism in his previously published the Amp2 signal-to-noise forced Burkhard to change his analysis approach from purely white noise to one also based on...

A Poor Man's Measurement Amplifier

Every audio designer finds himself eventually in the situation that he needs a very low noise preamplifier to interface between the tiny circuit signals and his test equipment. Such an amplifier...