585: Difference between revisions
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The Type 585 is a 100MHz oscilloscope introduced by Tektronix in | The Type 585 is a 100MHz oscilloscope introduced by Tektronix in | ||
[[introduced_in_1959|1959]] and made through the 1960's. | [[introduced_in_1959|1959]] and made through the 1960's. | ||
The 585 uses | The 585 uses [[580-series plug-ins]], which look like [[letter-series and 1-series plug-ins]] but are electrically | ||
different, primarily in the impedance of the signal interface between the plug-in and the scope. | different, primarily in the impedance of the signal interface between the plug-in and the scope. | ||
The Type 81 adapter allows the use of letter-series and 1-series plug-ins in a 585. | The Type 81 adapter allows the use of letter-series and 1-series plug-ins in a 585. | ||
The 585 has tunnel diode triggering and, like many Tek scopes, a distributed amplifier for vertical deflection. | The 585 has [[tunnel diode]] triggering and, like many Tek scopes, a distributed amplifier for vertical deflection. | ||
A Type 585A also exists. | A Type 585A also exists. Several improvements were published for the 585 circuitry. If all of those | ||
changes are applied to a 585, it is essentially a 585A. | |||
<gallery> | <gallery> | ||
Revision as of 05:52, 5 July 2010
The Type 585 is a 100MHz oscilloscope introduced by Tektronix in 1959 and made through the 1960's. The 585 uses 580-series plug-ins, which look like letter-series and 1-series plug-ins but are electrically different, primarily in the impedance of the signal interface between the plug-in and the scope. The Type 81 adapter allows the use of letter-series and 1-series plug-ins in a 585. The 585 has tunnel diode triggering and, like many Tek scopes, a distributed amplifier for vertical deflection. A Type 585A also exists. Several improvements were published for the 585 circuitry. If all of those changes are applied to a 585, it is essentially a 585A.
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Front view.
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Trigger circuit.
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White plastic clip holds tunnel diode for triggering.
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Inside view shows regulator tubes.
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Distributed vertical amplifier.
