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-{{Oscilloscope Sidebar |
+{{Oscilloscope Sidebar
-title=Tektronix 468 |
+|manufacturer=Tektronix
-summary=10/100 MHz Digital Storage Scope |
+|series=400-series scopes
-image=468-am.jpg |
+|model=468
-caption=Tek 468 |
+|summary=10/100 MHz Digital Storage Scope
-introduced=1980 |
+|image=468-am.jpg
-discontinued=1985 |
+|caption=Tek 468
-manuals=
+|introduced=1980
-* [http://www.ko4bb.com/getsimple/index.php?id=manuals&dir=Tektronix/Tektronix_-_468_Digital_Storage_Oscilloscope Tektronix 468 manuals]
+|discontinued=1985
+|designers=
+|manuals=
+* [[Media:070-2906-01.pdf|Tektronix 468 Operators Manual]]
+* [[Media:070-3515-00.pdf|Tektronix 468 Service Manual Vol.1]] (OCR)
+* [[Media:070-3516-00.pdf|Tektronix 468 Service Manual Vol.2]] (OCR)
+* [https://www.ko4bb.com/getsimple/index.php?id=manuals&dir=Tektronix/Tektronix_-_468_Digital_Storage_Oscilloscope Tektronix 468 manuals] @ KO4BB
+* [https://www.hakanh.com/dl/docs/kitinstructions/040-0999-02.pdf GPIB Option Installation]
+{{ROM Images}}
+* [[Media:160-0459-01.bin |160-0459-01 (U565)]]
+* [[Media:160-0759-01.bin |160-0759-01 (U575)]]
+* [[Media:067-0989-00.bin |067-0989-00 Service ROM]]
 }}
-The '''Tektronix 468''' is a digital/analog scope, essentially a [[465B]] with an added 25 MS/s 8 bit digitizer.
+The '''Tektronix 468''' is a digital/analog scope, essentially a [[465B]] with a 25 MS/s, 8-bit digitizer added.
+The 468 is controlled by an [[Intel 8085]]A processor.
-==Specifications==
+{{BeginSpecs}}
-* Digital mode: Sampling rate 25 MS/s, bandwidth 10 MHz (sine)/2.5 MHz (pulse), resolution 8 bit
+{{Spec | Bandwidth       | 100 MHz analog, 10 MHz digital repetitive, 2.5 MHz digital single-shot }}
-* Analog mode: 100 MHz bandwidth
+{{Spec | Deflection      | 5 mV/Div to 5 V/Div, 1–2–5; CH1-CH2 cascaded – 1 mV/Div, 50 MHz }}
-* GPIB option
+{{Spec | Sweep           | 20 ns/Div to 50 ms/Div (B) or 500 ms/Div (A), 1–2–5, ×10 magnifier to 2 ns/Div }}
-* ''please add more'' ... [[Category:Specifications needed]]
+{{Spec | Sampling rate   | 25 MS/s }}
+{{Spec | Resolution      | 8 bit }}
+{{Spec | Input impedance | 1 MΩ // 20 pF }}
+{{Spec | Z Axis          | 5 V<sub>p-p</sub> (max. 25 V DC+peak AC) into 25 kΩ (down to 200 Ω at 2 MHz and above), 50 MHz }}
+{{Spec | CRT             | [[154-0731-00]], 8×10 cm², P31 [[phosphor]], 18.5 kV acceleration (–2.45 kV / +16 kV) }}
+{{Spec | Power           | 90–210 V, 108–132 V, 198–242 V or 216–250 V; 48–440 Hz; 115 W/140 VA, max. 150 W/190 VA }}
+{{Spec | Dimensions      | 18.3 cm × 29.2 cm × 55 cm (H×W×D) }}
+{{Spec | Weight          | 15 kg (33 lb) }}
+{{EndSpecs}}
+<small>
+===Options===
+* Opt.02 − GPIB (A17 board)
+* Opt.04 − EMI shielding
+* Opt.05 − TV Sync Separator (A29 board)
+* Opt.11 − Analog X-Y/Plotter Output (A27 board)
+* Opt.12 − Averaging - Standard on SN B032430 and up
+</small>
 ==Repair issues==
-Many 468s used Mostek MKB36000 masked ROMs that can suffer from "ROM rot". It may be necessary to replace the 160-0459-01 and 160-0759-01 ROMs with 2764 EPROMs through a 2364/2764 adapter.
+→ see [[468/Repairs]] page
 ==Links==
-* [http://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_other/468/468.html Tektronix 468 @ amplifier.cd]
+* [https://youtu.be/bgbY4Ca_imU Tektronix 468 Repair Vol.1] / [https://www.youtube.com/watch?v=4y8q0wbZ71U Vol.2] / [https://www.youtube.com/watch?v=hf1qhx3JNRY HV multiplier/CRT replacement] by vintageTek Museum @ YouTube
+* [https://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_other/468/468.html Tektronix 468 @ amplifier.cd]
+{{Documents|Link=468}}
 ==Pictures==
@@ Line 28: / Line 61: @@
 Test468.jpg
 front.JPG|front
-top.JPG|top
+top.JPG|top and A16
-right.JPG|right
+Top Digital.JPG|Storage & Display A16
-left.JPG|left
+right.JPG|right Trigger A12
-bottom.JPG|bottom
+left.JPG|left V Preamp A11
+bottom.JPG|bottom Interface Board A15
 back.JPG|rear
+Storage Boards.JPG|Processor Board Set
+CPU Board.JPG|Microprocessor Board A21
+Memory Board A18.JPG|Memory Board A18 (TRW part on the right is the [[TRW TDC1007|TDC1007 A/D converter]])
+Timebase - PS A22.JPG|Timebase/Power Supply A22
+Timebase A22.JPG|Timebase Oscillator A22
+Tek_468_A17_GPIB_Option_A2.jpg|A17 GPIB OPT A2
 </gallery>
+==Components==
+{{Parts|468}}
 [[Category:400 series scopes]]
 [[Category:Digital storage scopes]]
 [[Category:GPIB interface]]