P: Difference between revisions

12 bytes removed ,  2 May 2017
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It does contain a [[selenium rectifiers|selenium rectifier]] and a [[mercury switch]].  
It does contain a [[selenium rectifiers|selenium rectifier]] and a [[mercury switch]].  
The selenium rectifier in the Type P has four sections and full-wave rectifies
The selenium rectifier in the Type P has four sections and full-wave rectifies
the 6.3 VAC that is supplied by the scope mainframe on pins 13 and 14.   
the 6.3 V<sub>AC</sub> that is supplied by the scope mainframe on pins 13 and 14.   
The 120 Hz (assuming 60 Hz mains) component of the full-wave rectified waveform
The 120 Hz (assuming 60 Hz mains) component of the full-wave rectified waveform
is applied to the coil of the mercury switch to drive the opening and closing
is applied to the coil of the mercury switch to drive the opening and closing
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best operating point.
best operating point.


The Type P was the only new plug-in for [[introduced in 1959|1959]], unless you count the upgrade
The Type P was the only new plug-in for [[introduced in 1959|1959]], except for the upgrade
from Type 53/54[[C]] to Type [[CA]].  It was dropped after 1963, replaced by the [[TU-7]].
from Type 53/54[[C]] to Type [[CA]].  It was dropped after 1963, replaced by the [[TU-7]].


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<gallery>
<gallery>
Image:Tek_type_p.jpg|Type P
Tek_type_p.jpg|Type P
Image:Type_p_inside.jpg|Type P
Type_p_inside.jpg|Type P
Image:Type_p_schem.png|Type P Schematic
Type_p_schem.png|Type P Schematic
Tek 53-54p front.jpg|Type 53/54P
Tek 53-54p front.jpg|Type 53/54P
Tek 53-54p inside.jpg|Type 53/54P
Tek 53-54p inside.jpg|Type 53/54P