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1A1: Difference between revisions
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|designers=Ron Olson | |designers=Ron Olson | ||
|manuals= | |manuals= | ||
* [ | * [[Media:070-378.pdf|Tektronix 1A1 Manual (early)]] (bad-OCR) | ||
* [ | * [[Media:070-0885-00.pdf|Tektronix 1A1 Manual (late)]] (bad-OCR) | ||
* [[Media:tek_1a1_field_cal_proc.pdf|Tektronix 1A1 Field Recalibration Procedure]] (OCR) | |||
* [ | * [[Media:tek_1a1_sn20000up_german_short_version.pdf|Tektronix 1A1 Manual SN20000-up German Short Version]] (bad-OCR) | ||
* [[Media:Tek type 1a1 cal outline.pdf|Tektronix 1A1 Calibration Outline]] (OCR) | |||
* [[Media:Tek 1A1 FET mod.pdf|Modification to replace nuvistors with FETs]] | |||
* [ | <!-- | ||
* [ | * [https://w140.com/mmm/tek-1a1-early.pdf Tektronix 1A1 Manual (early)] | ||
* [ | * [https://w140.com/mmm/tek-1a1-late.pdf Tektronix 1A1 Manual (late)] | ||
* [ | * [http://w140.com/tek_fcp/tek_type_1a1_factory_cal_proc.pdf Tektronix 1A1 Field Recalibration Procedure] | ||
* [https://w140.com/Tektronix_1A1_SN20000up_german_short_version_300dpi.pdf Tektronix 1A1 Manual SN20000-up German Short Version] | |||
--> | |||
}} | }} | ||
The '''Tektronix Type 1A1''' plug-in for the [[500-series scopes]] has two channels and a −3 dB point of 50 MHz at 50 mV/Div, 28 MHz at 5 mV/Div, | The '''Tektronix Type 1A1''' plug-in for the [[500-series scopes]] has two channels and a −3 dB point of 50 MHz at 50 mV/Div, 28 MHz at 5 mV/Div, | ||
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Type 1A1 uses the [[500_Series_plug-in_interface|"ALT SWEEP SLAVE PULSE" signal]] that is sent by scopes on pin 7 of the plug-in connector. | Type 1A1 uses the [[500_Series_plug-in_interface|"ALT SWEEP SLAVE PULSE" signal]] that is sent by scopes on pin 7 of the plug-in connector. | ||
In a Type [[547]] mainframe, this signal allows channel 1 to be displayed using the "A" timebase | In a Type [[547]] mainframe, this signal allows channel 1 to be displayed using the "A" timebase and channel 2 using the "B" timebase. | ||
and channel 2 using the "B" timebase. | |||
This is useful, for example, to view the IF and AF of a radio receiver at the same time. | This is useful, for example, to view the IF and AF of a radio receiver at the same time. | ||
Even after the front-end transitioned from Nuvistors to FETs, the output amplifier continued to use Nuvistors. | Even after the front-end transitioned from Nuvistors to FETs, the output amplifier continued to use Nuvistors. | ||
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Type 1A1 has an External Trigger output for mainframes prior to the [[547]] that don't support plug-in triggering, and supplies the trigger system on [[500 Series plug-in interface|pins 4/5 of the mainframe interface]]. It also has a ×10 amplified output from channel 1 that can be cascaded into the channel 2 input for 500 μV/Div sensitivity at reduced bandwidth (15 MHz). | Type 1A1 has an External Trigger output for mainframes prior to the [[547]] that don't support plug-in triggering, and supplies the trigger system on [[500 Series plug-in interface|pins 4/5 of the mainframe interface]]. It also has a ×10 amplified output from channel 1 that can be cascaded into the channel 2 input for 500 μV/Div sensitivity at reduced bandwidth (15 MHz). | ||
Types 1A1 and [[1A2]] were [[introduced in 1964|introduced together in 1964]], | Types 1A1 and [[1A2]] were [[introduced in 1964|introduced together in 1964]], the former for high-end use, the latter as an upgrade/replacement for [[CA|Type CA]]. | ||
the former for high-end use, the latter as an upgrade/replacement for [[CA|Type CA]]. | |||
Both remained available until the [[500-series scopes|500-series scope line]] was discontinued. | Both remained available until the [[500-series scopes|500-series scope line]] was discontinued. | ||
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==Links== | ==Links== | ||
* [http://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_other/1A1.html 1A1 @ amplifier.cd] | * [http://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_other/1A1.html 1A1 @ amplifier.cd] | ||
{{Documents|Link=1A1}} | |||
==Pictures== | ==Pictures== | ||
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Tek_1A1_FETFront-CH1.jpeg | Input FET board CH1 | Tek_1A1_FETFront-CH1.jpeg | Input FET board CH1 | ||
Tek_1A1_FETFront-CH2.jpeg | Input FET board CH2 | Tek_1A1_FETFront-CH2.jpeg | Input FET board CH2 | ||
Tek 1a1 front3.jpeg | |||
</gallery> | </gallery> | ||
==Components== | |||
{{Parts|1A1}} | |||
[[Category:500 series plugins]] | [[Category:500 series plugins]] | ||