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#redirect[[2465]]
{{Oscilloscope Sidebar |
title=Tektronix 2465B |
summary=Portable 200/250/400 MHz 4-ch scope |
image=Tek 2455b trace.jpg |
caption=Tektronix 2465B |
introduced=1989 |
discontinued=(?) |
manuals=
* [[Media:070-6860-00.pdf|2445B/2455B/2465B Operator]]
* [[Media:070-6861-00.pdf|2467B Operator -00]]
* [[Media:070-6861-01.pdf|2467B Operator -01]]
* [[Media:070-6861-02.pdf|2467B Operator -02]]
* [[Media:070-6862-00.pdf|2445B/2455B Service]]
* [[Media:070-6863-00.pdf|2465B/2467B Service -00]]
* [[Media:070-6863-01.pdf|2465B/2467B Service -01]]
* [[Media:070-6864-02.pdf|2465B/2467B Options Service]]
* [[Media:070-6882-00.pdf|2445B/2455B Service]]
* [[Media:070-7148-00.pdf|2445B/2465B/2467B Quick Start]]
}}
 
The '''Tektronix 2465B''' is a four-channel 400 MHz portable oscilloscope.<br />
The '''2445B''' and '''2455B''' are 200 and 250 MHz versions.<br />
CRT is the [[154-0850-01]].
 
The '''2466B''' is a 4-channel 400MHz Sony/Tektronix model released in Japan, using a smaller CRT run at higher cathode voltage to give a brighter display to aid in photographing waveforms. It is not an MCP CRT.<br />
The '''2467B''' is the same as the 2465B, except that the 2465B uses a conventional CRT while the 2467B uses a [[micro-channel plate CRT]]. The MCP CRT enables bright traces at fast sweep rates, particularly with one-shot or low repetition rate signals.
 
The 2465B is from the penultimate generation of analog Tektronix scopes.
 
The horizontal amplifier in the 2465B was designed by [[Art Metz]] and [[Ken Schlotzhauer]].
Art Metz also worked on the triggers.
Art Metz and [[Walt Ainsworth]] designed the sweeps.
 
'''Options'''
* Option 01 (DMM) added a 4½-digit, fully autoranging digital multimeter which measures DC and AC voltage and current, resistance, dBV, dBm, continuity, and temperature.
* Option 05 (TV) added TV (back-porch) clamp circuitry to the Channel 2 input and TV trigger coupling modes, allowing selection of either horizontal or vertical sync pulses to obtain horizontal-line-sync or field-sync pulse triggering.
* Option 5H is a HDTV version of option 05.
* Option 06 (Counter/Timer/Trigger) allows precision time-interval measurement, event and frequency counting, delay-by-events triggering, and logic triggering.
* Option 09 added option 06, the CTT, plus a 17-bit [[P6407|P6407 word recognizer probe]].
* Option 10 added a [[GPIB interface]] for remote control.
* Option 11 added two [[LEMO S-series connector|probe-power connectors]] on the rear panel of the instrument.  Only shown in the 1989 catalogue.
* Option 22 indicates the scope was originally supplied with two extra probes.
* Option 46 is the designation for the military version of the scope (OS-288/G) that included option 10 IEEE-488 interface and 2 probes.
* Option 1E Adds an External Frequency Reference (EFR) to Options 06 and 09 for increased accuracy.
* Option 1R is the 19" rack mount configuration.
 
{{BeginSpecs}}
{{SpecGroup|2445B}}
{{Spec | Bandwidth | 200 MHz }}
{{SpecGroup|2455B}}
{{Spec | Bandwidth | 250 MHz }}
{{SpecGroup|2465B}}
{{Spec | Bandwidth | 400 MHz }}
{{SpecGroup|2466B}}
{{Spec | Bandwidth | 400 MHz }}
{{SpecGroup|2467B}}
{{Spec | Bandwidth | 400 MHz }}
{{SpecGroup|Common}}
{{Spec | Sweep Rate | 500 ps/div }}
{{Spec | Channels | Four independent channels }}
{{Spec | Vertical | 2 mV/div vertical sensitivity }}
{{Spec | Cursors | Delta Volts and Delta Time Cursors }}
{{Spec | CRT Readout | Scale Factors, Trigger Level, Voltage, Time, Frequency, Phase and Ratio Measurements and Mode Indicators }}
{{Spec | Trigger | Advanced Triggering with "Hands Off" Auto Level Triggering }}
{{Spec | Trigger Bandwidth | 500 MHz min. }}
{{Spec | Input Impedance| 50 Ω/1 MΩ inputs with 50 Ω protection }}
{{Spec | Probes | Two or four [[P6137]] ×10 probes, 1.3 m  }}
{{EndSpecs}}
 
==Prices==
1990: $13,045 (2467B) = $24,400 equivalent in 2017
 
==See also==
* [[2465]]
* [[2465A]]
* [[2445 PSU Repairs|PSU Repairs]]
 
==Links==
* [http://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_other/2465B.htm Tek 2465B page @ amplifier.cd]
* [http://www.eevblog.com/forum/testgear/tektronix-2465b-oscilloscope-teardown/ Tektronix 2465B oscilloscope teardown] @ EEVblog forum (lots of nice internal pictures)
* [https://www.youtube.com/watch?v=ZGi1Uw8l-ac 2465B vs. 2467B @ YouTube]
* [http://www.tek.com/support/faqs/how-do-you-run-self-tests-2465 How to enter test mode]
* [http://worldphaco.com/uploads/TEKTRONIX_2465b_OSCILLOSCOPE_CALIBRATION___REPOWERING_THE_DS1225.pdf 2465B NVRAM replacement]
* [http://worldphaco.com/uploads/TEKTRONIX_2465b_OSCILLOSCOPE_A5_BOARD_REPAIR.pdf 2465B SMD capacitor leak repair]
 
==Pictures==
===2455B===
<gallery>
Tek 2455b trace.jpg
</gallery>
 
===2465B===
<gallery>
Tek 2465b trace1.jpg |2465B (photo by Alex Schonfeld)
Tek 2465b trace2.jpg |2465B (photo by Alex Schonfeld)
Tek 2465b trace3.jpg |2465B (photo by Alex Schonfeld)
Tek 2465b trace4.jpg |2465B (photo by Alex Schonfeld)
Tek 2465b trace5.jpg |2465B (photo by Alex Schonfeld)
</gallery>
 
===2465BDV===
<gallery>
Tek 2465bdv 1.jpg
Tek 2465bdv 3.jpg
Tek 2465bdv 2.jpg
Tek 2465bdv 4.jpg
</gallery>
 
===2466B===
<gallery>
Tek-2466.jpg
</gallery>
 
===2467B===
<gallery>
Tek_2467B.jpg
</gallery>




[[Category:246x series scopes]]
[[Category:246x series scopes]]
[[Category:Introduced in 1989]]
[[Category:Introduced in 1989]]
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