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{{TM500 | mfg=Tektronix | type=WR501 | function=16-channel word recognizer | class=digital function | image=wr501_front.jpg | introduced= | {{TM500 | mfg=Tektronix | type=WR501 | function=16-channel word recognizer | class=digital function | image=wr501_front.jpg | introduced=1976 | discontinued=(?) | | ||
manuals= | designers=Pete Janowitz;Milt Klaudt;Dennis Glasby;Mike Lancaster |manuals= | ||
* [ | * [[Media:070-2168-00.pdf|WR501 Service Manual]] (OCR) | ||
* [ | * [https://w140.com/tek_wr501_1976_vol8no2_tekscope.pdf Article about WR501 and LA501 in Tekscope Magazine, 1976, Vol 8, No 2] | ||
* [ | * [https://w140.com/DD501-DL502-WR501.pdf Catalog Descriptions of DD501, DL502, and WR501] | ||
}} | }} | ||
{{MissingSpecs}} | {{MissingSpecs}} | ||
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* specification of the 16-bit trigger word, including any don't-care bits | * specification of the 16-bit trigger word, including any don't-care bits | ||
It produces a pulse at its output when the trigger word is recognized. | It produces a pulse at its output when the trigger word is recognized. | ||
==Links== | |||
{{Documents|Link=WR501}} | |||
==Internals== | ==Internals== | ||
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The WR 501 includes a delay function and can provide a trigger signal for an oscilloscope or provide a trigger signal and data acquisition for the [[LA501]] Logic Analyzer. | The WR 501 includes a delay function and can provide a trigger signal for an oscilloscope or provide a trigger signal and data acquisition for the [[LA501]] Logic Analyzer. | ||
Note that DL15 and DL115, the 24 pin delay lines that fit in the sockets on each board are | Note that DL15 and DL115, the 24-pin delay lines that fit in the sockets on each board are | ||
only found on units that were interconnected to an LA 501. The empty socket for DL15 is visible | only found on units that were interconnected to an LA 501. The empty socket for DL15 is visible | ||
in the pictures below, on the A1 daughter board. The socket for DL115 is on the board underneath A1, | in the pictures below, on the A1 daughter board. The socket for DL115 is on the board underneath A1, | ||
on the A2 main board. They are unnecessary if you are using the WR501 to trigger a scope. | on the A2 main board. They are unnecessary if you are using the WR501 to trigger a scope. | ||
These ECL delay lines, | These ECL delay lines, P/N 119-0775-00, 10 ns, 100 Ω, can be found in the [[7D01]] logic analyzer plugin for the [[7000-series scopes]]. | ||
for the [[7000-series scopes]]. | |||
==Pictures== | ==Pictures== | ||
<gallery> | <gallery> | ||
Wr501_front.jpg|Front | |||
Wr501_left.jpg|Left internal | |||
Wr501_left2.jpg|Left internal | |||
WR501 with DL.jpg | Left internal (unit with delay line fitted) | |||
Wr501_right.jpg|Right internal | |||
Wr501_connector.jpg|Logic pod connector | |||
Tek wr501 block.png|Block diagram | |||
</gallery> | </gallery> |