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A New Low-Noise Circuit Approach for Pentodes

Author(s): Blöhbaum Frank

In the tube world, it is taken for granted that if you want a low noise amplifier you don't use a penthode; penthodes have higher noise and more 3rd harmonic...

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Multiplied Transconductance Amplifiers

Author(s): Blöhbaum Frank

In the heydays of AM radio receivers some tubes were produced having up to 6 grids, called octodes. These tubes can be arranged as a triode and a hexode in a common...

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Multiplied Transconductance Amplifiers - part 2 - high power amplification

Author(s): Blöhbaum Frank

Multiplied Transconductance Amplifiers – part 2: high power amplification  Vol 8

Frank Blöhbaum

Frank Blöhbaum always comes up with quite...

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