The Dynaco ST-70 is one of the most popular tube amplifiers ever. First released in 1959, it's still sought after by hi-fi enthusiasts today.

An accurate nonlinear model is necessary to optimize the tradeoff between efficiency and linearity in power amplifiers. Gain compression (AM/AM) and amplitude-phase (AM/PM) distortion are the two ...

This paper describes the design of a power supply intended for a traveling wave tube (TWT) power supply. For the faithful operation of the TWT amplifier, constant DC voltages are required for the ...