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 [[580-series plug-ins]], which look like [[letter-series and 1-series plug-ins]] but are electrically | The 585 uses [[580-series plug-ins]], | ||
different, primarily in the impedance of the signal interface between the plug-in and the scope. | which look like [[letter-series and 1-series plug-ins]] | ||
The Type 81 adapter allows the use of letter-series and 1-series plug-ins in a 585. | but are electrically different, | ||
The 585 has [[tunnel diode]] triggering and, like many Tek scopes, a distributed amplifier for vertical deflection. | primarily in the impedance of the signal interface between the plug-in and the scope. | ||
The [[81|Type 81]] adapter allows the use of letter-series and 1-series plug-ins in a 585. | |||
The 585 has [[tunnel diodes|tunnel diode]] triggering and, | |||
like many Tek scopes, a [[distributed amplifier]] for vertical deflection. | |||
Unlike other 500-series scopes, the 585 CRT has distributed vertical deflection plates, | |||
enabling it to have both high sensitivity and fast risetime. | |||
A Type 585A also exists. Several improvements were published for the 585 circuitry. If all of those | 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. | changes are applied to a 585, it is essentially a 585A. | ||
Revision as of 12:19, 17 October 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. Unlike other 500-series scopes, the 585 CRT has distributed vertical deflection plates, enabling it to have both high sensitivity and fast risetime. 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.
