175: Difference between revisions

11 bytes added ,  14 July 2015
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The '''Tektronix 175''', [[introduced in 1961]], is an external unit that extends the current  
The '''Tektronix 175''', [[introduced in 1961]], is an external unit that extends the current  
capability of the [[575|575 curve tracer]].
capability of the [[575|575 curve tracer]].
The 175 uses the standard circuit topology for the collector supply: a variac followed by a multitap
The 175 uses the standard circuit topology for the collector supply: a variac followed by a multi-tap
isolation transformer, followed by full-wave rectifiers.
isolation transformer, followed by full-wave rectifiers.


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panel switch.   
panel switch.   


The Tektronix 175 requires a 575.  The 575 provides +300 V, +100 V, and -150 V to the 175,
The Tektronix 175 requires a 575 to work, which provides +300 V, +100 V, and -150 V to power
which power the step generator circuit in the 175.
the step generator circuit in the 175. The cable that connects the 175 to the 575 uses  
The cable that connects the 175 to the 575 uses [[Amphenol 165-15]] and 165-15 connectors.
[[Amphenol 165-15 connector|Amphenol 165-14 and 165-15 connectors]].


The front panel of the 175 has Superior Electric [[Supercon connector]]s for the high-current measurements.
The front panel of the 175 has Superior Electric [[Supercon connector]]s for the high-current measurements.
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The 175 is 12"x13"x24" and weighs 38 kg (84 pounds).
The 175 is 12"x13"x24" and weighs 38 kg (84 pounds).
Most of the weight of the 175 is due to the large transformer it has for the collector supply.
Most of the weight of the 175 is due to the large transformer for the collector supply.


==Pictures==
==Pictures==