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* [http://w140.com/tek_fcp/tek_type_p_factory_cal_proc.pdf Tektronix Type P Factory Calibration Procedure (PDF)]
* [http://w140.com/tek_fcp/tek_type_p_factory_cal_proc.pdf Tektronix Type P Factory Calibration Procedure (PDF)]
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The '''Tektronix Type P''' plug-in is a calibration aid [[introduced in 1959]]  
The '''Tektronix Type P''' plug-in is a calibration aid [[introduced in 1959]] for [[500-series scopes]] that applies a
for [[500-series scopes]].   
fast (4 nanosecond risetime) voltage step to the mainframe vertical amplifier via plug-in connector pins 1 and 3.   


It applies a fast (4 nanosecond risetime) voltage step to the mainframe vertical amplifier,
Type P is designed to simulate a perfectly-adjusted Type [[K]] plug-in being driven by a Type [[107]] square-wave generator,  
via plug-in connector pins 1 and 3. 
and is used when adjusting the peaking coils and the [[delay line]].   
The Type P is designed to simulate a perfectly-adjusted Type [[K]]  
The idea is to calibrate a mainframe using Type P, then use this mainframe and a 107 to calibrate other plug-ins.
plug-in being driven by a Type [[107]] square-wave generator, and is
used when adjusting the peaking coils and the [[delay line]].   
The idea is to calibrate a mainframe using Type P,  
then use this mainframe and a 107 to calibrate other plug-ins.


The Type P does not contain any tubes, transistors, or tunnel diodes.  
The Type P does not contain any tubes, transistors, or tunnel diodes.