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{{Oscilloscope Sidebar | |||
|manufacturer=Tektronix | |||
|series=400-series scopes | |||
|model=468 | |||
|summary=10/100 MHz Digital Storage Scope | |||
|image=468-am.jpg | |||
|caption=Tek 468 | |||
|introduced=1980 | |||
|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 a 25 MS/s, 8-bit digitizer added. | |||
The 468 is controlled by an [[Intel 8085]]A processor. | |||
{{BeginSpecs}} | |||
{{Spec | Bandwidth | 100 MHz analog, 10 MHz digital repetitive, 2.5 MHz digital single-shot }} | |||
{{Spec | Deflection | 5 mV/Div to 5 V/Div, 1–2–5; CH1-CH2 cascaded – 1 mV/Div, 50 MHz }} | |||
{{Spec | Sweep | 20 ns/Div to 50 ms/Div (B) or 500 ms/Div (A), 1–2–5, ×10 magnifier to 2 ns/Div }} | |||
{{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== | |||
→ see [[468/Repairs]] page | |||
==Links== | |||
* [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== | |||
<gallery> | <gallery> | ||
468-am.jpg | |||
Test468.jpg | |||
468 front.JPG|front | |||
468 top.JPG|top and A16 | |||
Top Digital.JPG|Storage & Display A16 | |||
468 right.JPG|right Trigger A12 | |||
468 left.JPG|left V Preamp A11 | |||
468 bottom.JPG|bottom Interface Board A15 | |||
468 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> | </gallery> | ||
==Components== | |||
{{Parts|468}} | |||
[[Category:400 series scopes]] | [[Category:400 series scopes]] | ||
[[Category: | [[Category:Digital storage scopes]] | ||
[[Category: | [[Category:GPIB interface]] | ||