2235

Manuals – Specifications – Links – Pictures

The Tektronix 2235 is a 100 MHz dual-trace, dual-timebase portable scope.

It was also sold to the military under the model name AN/USM-488.

The 2236 sister model adds a built-in DMM/counter.

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
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 × 327 mm × 440 mm (5.4" × 12.9" × 17.3")
Weight	5.2 kg (11.5 lb) without accessories
Probes	Two P6122 ×10 voltage probes (010-6122-01)
Features	Delayed timebase X−Y mode Z input

Prices

• 1984: $1,650 ($4,300 in 2021 dollars)

Links

• Troubleshooting tips on 2200 PSU
• Tektronix 2235 Oscilloscope Restoration by NFM @ YouTube
• 2232/5/6 PSU repair thread
• Power Supply Audible Noise

Pictures

• 

  2235

• 

  2235A

• 

  This 2235 has a 3.44 ns rise time.

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Components

Some Parts Used in the 2235

Part	Part Number(s)	Class	Description	Used in
2N5454	151-1042-00	Discrete component	dual n-channel JFET	7B80 • 7B53A • 2213 • 2215 • 2235 • T912 • T921 • T922 • T932 • T935