81

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{{{manufacturer}}} Adapter
Plugin Adapter
Type 81 front view

Compatible with [[580-series scopes]]

Produced from {{{introduced}}} to {{{discontinued}}}

Manuals
[[Category:Introduced in {{{introduced}}}]]
Manuals – Specifications – Links – Pictures

The Tektronix Type 81 is a plug-in adapter so that letter-series and 1-series plug-ins can be used in 580-series scopes.

The Type 81 contains a two-stage amplifier. The letter-series plug-in drives the input stage of the Type 81 which is a high impedance, similar to the input of a 530-, 540-, or 550-series scope. The second stage of the Type 81 is a cathode-follower, which drives the 580-series scope using a low impedance, as is required by 580-series scopes.

The 81 and 81A are significantly different. Type 81 is tube-based and has bandwidth of 33 MHz. Type 81A is solid-state and has bandwidth of 50 MHz.

Specifications

please add

Pictures