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The Tektronix 2336 is a ruggidized portable dual channel oscilloscope with 100MHz bandwidth.  
{{Oscilloscope Sidebar
This unit is similar to the 2335 except for a digital display to measure time intervals.
|manufacturer=Tektronix  
|series=2200-series scopes
|model=2236
|summary=100 MHz portable scope with counter/DMM
|image=Tek 2236.jpg
|caption=Tek 2236
|introduced=1984
|discontinued=1992
|designers=
|manuals=
'''2236'''
* [[Media:070-5371-00.pdf|2236 Reference Guide]]
* [[Media:070-4204-00_Nov_1986.pdf|2236 Service Manual 070-4204-00 (Nov 1986)]]
* [[Media:070-4204-00.pdf|2236 Service Manual 070-4204-00 (May 1989)]]
* [[Media:070-4205-00.pdf|2236 Operators Manual 070-4205-00]]


[[Image:Tektronix 2336.jpg]]
'''2236A'''
* [[Media:070-7685-00.pdf|2236A Instruction manual 070-7685-00]]
 
'''Service Info'''
* [[Media:Tek_2200_PSU_Noise_Mod-54681.pdf|PSU Audible Noise Mod #54681]]
* [[Media:SUP3010.pdf|Tek Service Update Plan 3010, CRT filament voltage reduction]]
* [[Media:050-2242-03.pdf|Product Modification 050-2242-03 - PSU replacement parts]]
}}
The '''Tektronix 2236''' is a 100 MHz portable scope with a dual time base and a built-in DMM/counter with a dedicated 9-digit VF display.
Apart from the counter, it is the same as the [[2235]].
 
An "A" model also exists.
 
In addition to signal frequency and period, the counter can measure delay time and delta time from the delayed timebase.
{{BeginSpecs}}
{{Spec | Bandwidth | 90 MHz at 2 mV/Div, 100 MHz at 5 mV/Div and above; switchable 20 MHz limit }}
{{Spec | Rise time | 3.9 ns at 2 mV/Div, 3.5 ns at 5 mV/Div and above  }}
{{Spec | Deflection | 2 mV/Div to 5 V/Div, 1−2−5, ±2%, and variable 2.5:1  }}
{{Spec | Time base | 50 ns/Div to 500 ms/Div (B timebase to 50 ms/Div), 1−2−5, ×10 magnifier for fastest deflection of 5 ns/Div  }}
{{Spec | Frequency counter | 7 digit resolution; frequency 100 Hz to 100 MHz in decade ranges, period 100 μs to 1 s in decade ranges, plus 5 s range; time base accuracy 1×10<sup>-5</sup> (Opt.14: 5×10<sup>-7</sup>), sensitivity same as trigger specs }}
{{Spec | Multimeter | 3¾ digit resolution, ≥2.5 measurements per second, 10 MΩ input resistance, input isolated from scope ground; DC volts 0.5 V to 500 V in decade ranges; AC volts RMS 0.5 V to 350 V in decade ranges; resistance 50 Ω to 50 MΩ in decade ranges, plus 200 MΩ and 2 GΩ ranges; temperature -62 °C to +230 °C (with [[P6602]] probe) }}
{{Spec | Input impedance | 1 MΩ // 20 pF  }}
{{Spec | Trigger sensitivity | 0.3 Div or 35 mV up to 10 MHz, 1 Div or 120 mV up to 60 MHz, 1.5 Div or 200 mV up to 100 MHz  }}
{{Spec | CRT | 80×100 mm² display area, P31 phosphor, 14 kV acceleration voltage }}
{{Spec | Power | 90−250 V<sub>AC</sub>, 48 to 440 Hz, 40 W  }}
{{Spec | Size | 137 mm × 328 mm × 440 mm  (5.4" × 12.9" × 17.3") }}
{{Spec | Weight | 5.2 kg (11.5 lb) without accessories }}
{{Spec | Features |
* DMM and counter
* Delayed timebase
* X−Y mode
* Z input
}}
{{EndSpecs}}
 
==Prices==
 
{| class="wikitable"
|-
! Year
! 1984
! 1986
|-
! Catalog Price
| $2,650
| $2,650
|-
! In 2023 Dollars
| $7,800
| $7,400
|}
 
==Links==
* [http://www.hakanh.com/dl/docs/troubleshooting_tips_on_2200_ps.pdf Troubleshooting tips on 2200 PSU]
* [https://www.eevblog.com/forum/repair/tektronix-2232-scope-in-need-of-a-doctor/ 2232/5/6 PSU repair thread]
* [http://www.hakanh.com/dl/docs/hardtofind/2200_ps_noise.pdf Power Supply Audible Noise]
 
==Pictures==
===2236===
<gallery>
Tek 2236 trace.jpg | 2236 trace
Tek 2236 digital readout.jpg | counter/DMM display
US Tektronix 2236 Right1.jpg | interior, right
US Tektronix 2236 Top1 RAW.jpg | interior, top
US Tektronix 2236 Left1 RAW.jpg | interior, left
Tek 2236 A12 U1902 multimeter control board.jpg|funny face behind U1902 on the A12 board of Tek 2236
Tek 2236 trace2.jpg
Tek 2236 rear.jpg|rear
2236(1).jpg
2236(2).jpg
2236(3).jpg
2236(4).jpg
2236(5).jpg
</gallery>
 
===2236A===
<gallery>
2236a.png
</gallery>
 
==Components==
{{Parts|2236}}
{{Parts|2236A}}
 
[[Category:2200 series scopes]]

Latest revision as of 14:12, 27 October 2023

Tektronix 2236
100 MHz portable scope with counter/DMM
Tek 2236

Produced from 1984 to 1992

Manuals
Manuals – Specifications – Links – Pictures

The Tektronix 2236 is a 100 MHz portable scope with a dual time base and a built-in DMM/counter with a dedicated 9-digit VF display. Apart from the counter, it is the same as the 2235.

An "A" model also exists.

In addition to signal frequency and period, the counter can measure delay time and delta time from the delayed timebase.

Key Specifications

Bandwidth 90 MHz at 2 mV/Div, 100 MHz at 5 mV/Div and above; switchable 20 MHz limit
Rise time 3.9 ns at 2 mV/Div, 3.5 ns at 5 mV/Div and above
Deflection 2 mV/Div to 5 V/Div, 1−2−5, ±2%, and variable 2.5:1
Time base 50 ns/Div to 500 ms/Div (B timebase to 50 ms/Div), 1−2−5, ×10 magnifier for fastest deflection of 5 ns/Div
Frequency counter 7 digit resolution; frequency 100 Hz to 100 MHz in decade ranges, period 100 μs to 1 s in decade ranges, plus 5 s range; time base accuracy 1×10-5 (Opt.14: 5×10-7), sensitivity same as trigger specs
Multimeter 3¾ digit resolution, ≥2.5 measurements per second, 10 MΩ input resistance, input isolated from scope ground; DC volts 0.5 V to 500 V in decade ranges; AC volts RMS 0.5 V to 350 V in decade ranges; resistance 50 Ω to 50 MΩ in decade ranges, plus 200 MΩ and 2 GΩ ranges; temperature -62 °C to +230 °C (with P6602 probe)
Input impedance 1 MΩ // 20 pF
Trigger sensitivity 0.3 Div or 35 mV up to 10 MHz, 1 Div or 120 mV up to 60 MHz, 1.5 Div or 200 mV up to 100 MHz
CRT 80×100 mm² display area, P31 phosphor, 14 kV acceleration voltage
Power 90−250 VAC, 48 to 440 Hz, 40 W
Size 137 mm × 328 mm × 440 mm (5.4" × 12.9" × 17.3")
Weight 5.2 kg (11.5 lb) without accessories
Features
  • DMM and counter
  • Delayed timebase
  • X−Y mode
  • Z input

Prices

Year 1984 1986
Catalog Price $2,650 $2,650
In 2023 Dollars $7,800 $7,400

Links

Pictures

2236

  • 2236 trace

    2236 trace

  • counter/DMM display

    counter/DMM display

  • interior, right

    interior, right

  • interior, top

    interior, top

  • interior, left

    interior, left

  • funny face behind U1902 on the A12 board of Tek 2236

    funny face behind U1902 on the A12 board of Tek 2236

  • rear

    rear

2236A

Components

Some Parts Used in the 2236

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Some Parts Used in the 2236A

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