519

The Type 519 is a high-speed oscilloscope made by Tektronix from the late 1950's to the early 1970's. It is very unusual in that it does not contain vertical amplifiers. The input signal is passively connected to the vertical deflection plates of the CRT. This allows the scope to have 1GHz bandwidth.

To allow viewing of the rising edge of pulses, there is a coaxial delay line between the input and the CRT.