021-0374-00: Difference between revisions
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{{Plugin Sidebar | | {{Plugin Sidebar | ||
manufacturer=Tektronix | type=021-0374-00 GPIB Decoder | | |manufacturer=Tektronix | ||
summary=GPIB interface | | |type=021-0374-00 GPIB Decoder | ||
image=Tek_021_0374_00_Front2.jpg | | |summary=GPIB interface | ||
caption=021-0374-00 front | | |image=Tek_021_0374_00_Front2.jpg | ||
introduced=1986 | | |caption=021-0374-00 front | ||
discontinued=(?) | | |introduced=1986 | ||
series= | |discontinued=(?) | ||
manuals= | |series=7000-series scopes | ||
|manuals= | |||
* [http://w140.com/tek_021-0374-00_GPIB_interface.pdf Tektronix 021-0374-00 Manual (PDF)] | * [http://w140.com/tek_021-0374-00_GPIB_interface.pdf Tektronix 021-0374-00 Manual (PDF)] | ||
}} | }} | ||
Revision as of 04:24, 9 August 2021
The Tektronix 021-0374-00 GPIB Decoder is a 7000-series plug-in designed to allow GPIB control of 7A16P or 7A29P programmable amplifiers and/or a 7B90P programmable time base module in a 7854 mainframe. (The manual warns that of all 7000 series mainframes, only the 7854 has adequate +5 V supply capacity.)
The -P type plugins were originally designed for the 7000 series digitizers like the 7912AD that have a built-in GPIB interface.
The 021-0374-00 replicates the functions of that interface, receiving commands from GPIB and translating them to the internal serial format expected by the plugins. It is based on a Motorola 6802 microcontroller and a TMS9914 GPIB interface chip.
The interface must be installed in the left horizontal (A timebase) bay. It addresses left vertical, right vertical and right horizontal plugins through GPIB sub-addresses 1, 2 and 3, respectively. Data connections from the 021-0374-00 the plugins require flat cables because the relevant bus lines are n/c on the 7854 backplane.
Links
Pictures
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Front view of an early GPIB Decoder
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Front view of a late GPIB Decoder
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Left side
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Closeup of left side
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Right side
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Closeup of right side
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Rear view of the front panel
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Angeled view
Mounting Procedure
Location of electrical components
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A late version of the 7A16P plugin is needed
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Location of the connectors for the GPIB decoder on a 7A16P
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Right side of a 7A29P plugin
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Location of the connectors for the GPIB decoder on a 7A29P
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A late version of the 7B90P plugin is needed
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Location of the connectors for the GPIB decoder on a 7B90P
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Location of the zener diode V330 on a late 7B90P
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Location of the connectors to the plugins on the GPIB decoder
Mechanical components
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Bracket for mounting the programmable plugins to the decoder
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Bracket for mounting the programmable plugins to the decoder
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Bracket for mounting the programmable plugins to the decoder
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Bracket for mounting the programmable plugins to the decoder
Firmware (uploaded BIN files)
| Part number | Location | Used in |
|---|---|---|
| 160-3533-00.bin (?) | U4060 | up to #B010190 |
| 160-3533-01.bin (?) | U4060 | #B010191 and newer |