3A1S

{{{manufacturer}}} Vertical Amplifier
25 MHz vertical amplifier 3A1S front view Compatible with [[560-series scopes]] Produced from {{{introduced}}} to {{{discontinued}}} Manuals (All manuals in PDF format unless noted otherwise) [[Category:Introduced in {{{introduced}}}]]

The Tektronix 3A1S is a vertical plug-in for the 561S.

The input signal passes through a compensated attenuator switch and then into a 7586 cathode-follower biased with 2 mA plate current.

Specifications