2235: Difference between revisions
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! Catalog Price | ! Catalog Price | ||
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! In 2023 Dollars | ! In 2023 Dollars | ||
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Tek 2235 trace.jpg | Tek 2235 trace.jpg | ||
Tek 2235 controls.jpg | Tek 2235 controls.jpg | ||
Tek an usm 488 1.jpeg|AN/USM-488 | |||
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</gallery> | </gallery> | ||
Latest revision as of 13:37, 1 December 2023
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 |
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Prices
| Year | 1984 |
|---|---|
| Catalog Price | $1,650 |
| In 2023 Dollars | $4,900 |
- 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
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2235
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2235A
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This 2235 has a 3.44 ns rise time.
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AN/USM-488
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AN/USM-488
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AN/USM-488
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AN/USM-488
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AN/USM-488
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AN/USM-488
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AN/USM-488
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AN/USM-488
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AN/USM-488
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AN/USM-488
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AN/USM-488
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AN/USM-488
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 |