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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 | 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 Tektronix 175 requires a 575 to work, which provides +300 V, +100 V, and -150 V to power | ||
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 | [[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 | Most of the weight of the 175 is due to the large transformer for the collector supply. | ||
==Pictures== | ==Pictures== |