5T3: Difference between revisions

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-The Tektronix Type 5T3 is a timing plug-in for the Type [[661]] [[sampling oscilloscope]].
+{{Plugin Sidebar
-It uses TD253B [[tunnel diodes]] for triggering.
+|manufacturer=Tektronix
-It has a high-impedance external trigger input that is buffered by an [[8056]] [[nuvistor|Nuvistor]] cathode follower.
+|series=661
-The 5T3 also has a 50-ohm external trigger input with no buffering stage.
+|type=5T3
-This low-impedance trigger input is capable of operation up to 5GHz.
+|summary=Timing plugin
+|image=Tek 5t3 front.jpeg
+|caption=Tek 5T3
+|introduced=1965
+|discontinued=(?)
+|designers=
+|manuals=
+* [[Media:070-0470-00.pdf|Tektronix 5T3 Manual]]
+* [[Media:Tek 5t3 field training.pdf|Tektronix 5T3 Field Training Kit]] (low quality, no OCR)
+* [[Media:Tek 5t3 training ocr4.pdf|Tektronix 5T3 Field Training Kit]] (high quality, OCR)
+* [[Media:Tek 5t3 cal outline.pdf|Tektronix 5T3 Calibration Outline]] (OCR)
+}}
+The '''Tektronix Type 5T3''' is a timing plug-in for the Type [[661]] [[sampling oscilloscope]].
+It uses [[TD253|TD253B]] [[tunnel diodes]] for triggering.
-* [http://w140.com/kurt/tektronix_5t3.pdf Tektronix 5T3 Manual (PDF)]
+The 5T3 can be triggered from any of four different sources:
-* [http://w140.com/tek_5t3_field_training.pdf Tektronix 5T3 Field Training Kit (PDF)]
+# Internal trigger from the sampling plug-in, via interconnect J9.
+# Internal trigger from the calibrator module in the 661 mainframe. This works up to 1 GHz.
+# External trigger to the high-impedance BNC trigger input. This input is buffered by an [[8056]] [[nuvistor|Nuvistor]] cathode follower. This can be used for triggering on signals up to 20 MHz.
+# External trigger to the 50 Ω [[GR-874]] trigger input. This input can drive either of two selectable signal paths:
+#* A path where the trigger signal skips the high-impedance Nuvistor input buffer but is still buffered by Q64 and Q124 (1 GHz NPN transistors, part number [[151-0138-00]]) before the tunnel diode trigger event recognizer circuit. This path provides triggering up to 500 MHz.
+#* A passive low-impedance path, capacitively coupled to a tunnel diode for "UHF SYNC" mode. This works up to 5 GHz.
+The 5T3 can also be set to free-run mode.
+{{MissingSpecs}}
+==Links==
+{{Documents|Link=3S3}}
+==Pictures==
 <gallery>
-Image:5t3_front.jpg|front view
+t3_front.jpg|front view
-Image:5t3_left.jpg|left view
+t3_left.jpg|left view
-Image:5t3_right.jpg|right view
+t3_right.jpg|right view
-Image:5t3_top.jpg|top view
+t3_top.jpg|top view
-Image:5t3_bottom.jpg|bottom view
+t3_bottom.jpg|bottom view
 </gallery>
+==Components==
+{{Parts|5T3}}
+[[Category:661 plugins]]
+[[Category:Sampling plugins]]