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1A7: Difference between revisions
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FET Mod Kit
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Vintage dave (talk | contribs) (FET Mod Kit) |
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* [[Media:Tek 1a7a fcp april 1968.pdf|Tektronix 1A7A Factory Calibration Procedure, April 1968]] | * [[Media:Tek 1a7a fcp april 1968.pdf|Tektronix 1A7A Factory Calibration Procedure, April 1968]] | ||
}} | }} | ||
Replacing [[ | Replacing Types [[D]] and [[E]], the '''Tektronix Type 1A7''' is a high-sensitivity differential plug-in for [[500-series scopes]]. | ||
It senses down to 10 μV/Div, either AC or DC-coupled. It's possible to | It senses down to 10 μV/Div, either AC or DC-coupled. It's possible to | ||
apply up to | apply up to ± 400 mV offset to the reading while maintaining sensitivity and common-mode rejection. | ||
Upper and lower cutoff frequency is selectable on the front panel. | Upper and lower cutoff frequency is selectable on the front panel. | ||
Maximum bandwidth is 500 kHz, and common-mode rejection is 50,000 to 1. | Maximum bandwidth is 500 kHz, and common-mode rejection is 50,000 to 1. | ||
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Type 1A7 (initially named [[F|Type F]]) was designed by [[John Addis]] and [[introduced in 1966]]. Lasting only two years, Type [[1A7]] is the shortest-lived 500-series plugin. | Type 1A7 (initially named [[F|Type F]]) was designed by [[John Addis]] and [[introduced in 1966]]. Lasting only two years, Type [[1A7]] is the shortest-lived 500-series plugin. | ||
In 1968, a FET front-end Mod Kit (040-0485-00) was offered to retrofit existing instruments to reduce drift and microphonics. | |||
====Type 1A7A==== | ====Type 1A7A==== | ||
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{{SpecGroup | 1A7}} | {{SpecGroup | 1A7}} | ||
{{Spec | Bandwidth | | {{Spec | Bandwidth | 500 kHz, LF limit switchable DC, 0.1 Hz to 10 kHz in ×10 steps, HF limit switchable 100 Hz to 100 kHz in ×3/×10 steps, and 500 kHz; AC coupling 1.6 Hz }} | ||
{{SpecGroup | 1A7A}} | {{SpecGroup | 1A7A}} | ||