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1L5: Difference between revisions
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The Tektronix 1L5 is a low-frequency spectrum analyzer for [[500-series scopes]]. | The '''Tektronix 1L5''' is a low-frequency spectrum analyzer for [[500-series scopes]]. | ||
It is very similar to the [[3L5]]. | It is very similar to the [[3L5]]. | ||
Its center frequency is set on a trio of rotary switches and can range from | Its center frequency is set on a trio of rotary switches and can range from 50 Hz to | ||
990 kHz. Minimum resolution bandwidth is 10 Hz. It has a 1 MΩ input resistance. | |||
Type 1L5 was sold from 1967 or 1968 until the end of the classic plug-in scope | Type 1L5 was sold from 1967 or 1968 until the end of the classic plug-in scope | ||
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Although Type 1L5 can operate in any classic plug-in scope*, it is most useful by far | Although Type 1L5 can operate in any classic plug-in scope*, it is most useful by far | ||
in the Type [[549]] storage mainframe | in the Type [[549]] storage mainframe which allows slow | ||
sweeps needed to match the narrower resolution bandwidths. | |||
In conjunction with the [[015-0107-00]] "Swept Frequency Generator" (tracking generator), the 1L5 can also measure frequency response. | |||
<nowiki>*</nowiki> [[531]]/[[535]]/[[541]]/[[545]] need a wiring mod | <nowiki>*</nowiki> [[531]]/[[535]]/[[541]]/[[545]] need a wiring mod | ||
to alleviate vertical amp instability. | to alleviate vertical amp instability. | ||
==Manuals== | |||
* [http://bama.edebris.com/download/tek/1l5/Tek%201L5_v6.pdf Tektronix 1L5 Manual (PDF)] | * [http://bama.edebris.com/download/tek/1l5/Tek%201L5_v6.pdf Tektronix 1L5 Manual (PDF)] | ||
==Pictures== | |||
<gallery> | <gallery> | ||
Image:Tek 1l5 1.jpg | Image:Tek 1l5 1.jpg | ||