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Tektronix

323

Produced 1969–1978Tektronix 323 family
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The Tektronix 323 is a Sony/Tektronix portable single-trace oscilloscope. The Tektronix 323 has a 4 MHz bandwidth. The Tektronix 323 was produced from 1969 to 1978.[1]

Tektronix logo
Fig. — Manufacturer logo, not a photo of this toolWikimedia Commons (see file page for license)

Produced

1969–1978

Power

4 MHz[1]

Preceded by
321
This tool
323
Succeeded by
Latest generation
All related

What it is

The Tektronix 323 is a battery powered portable single trace oscilloscope.[1]

The Tektronix 323 was produced from 1969 to 1978.[1]

Applications

The Tektronix 323 can be used as the CRT display for a 1501 TDR unit or a 1401 spectrum analyzer.[1]

What do the numbers mean?

Power & electrical5

Bandwidth
4 MHz[1]
Accurate?
Bandwidth in ×10 mode
2.5 MHz[1]
Accurate?
Deflection
10 mV/div to 20 V/div (1 mV/div to 2 V/div in ×10 mode)[1]
Accurate?
Calibrator
0.5 V p-p, 750 Hz, rise time < 2 μs, source impedance 10 kΩ[1]
Accurate?
Power
AC: 90–136 V or 180–272 V, 14 W; DC: 6–16 V, 1.6 W typ., 4.5 W max.[1]
Accurate?

Control & software1

CRT
T3230-31-1 (154-0519-00), P31 phosphor, 10 × 6 div. @ 6.25 mm (0.25"), 2 kV acceleration[1]
Accurate?

Dimensions & facilities3

Portability
lightweight and totally portable[2]
Accurate?
Dimensions
10.7 cm × 21.6 cm × 27 cm[1]
Accurate?
Weight
3.06 kg[1]
Accurate?

Configuration & options8

Series
Sony-Tektronix 300 series oscilloscopes[2]
Accurate?
Type
battery-powered portable single-trace oscilloscope[1]
Accurate?
Rise time
90 ns[1]
Accurate?
Rise time in ×10 mode
130 ns[1]
Accurate?
Sweep
5 μs/div to 1 s/div, 1–2–5, ×10 magnifier (to 500 ns/div)[1]
Accurate?
Input impedance
1 MΩ // 47 pF[1]
Accurate?
Battery
Six size C NiCd cells; runtime 3 h at full intensity / 4 h at low intensity; charge time 16 h[1]
Accurate?
Features
Ext Trig / X input (supports X-Y displays); external blanking input (by deflection, not Z modulation); built-in battery[1]
Accurate?

Vintage & configurations

  1. 1969Production start[1]

    Produced from 1969.

  2. 1978Production end[1]

    Produced until 1978.

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What replaced it?

  • predecessorTektronix 321— 300 series replaced the model 321 oscilloscopesource[2]
  • predecessorTektronix 321A— 300 series replaced the model 321A oscilloscopesource[2]
  • siblingTektronix 335— Example of the Sony/Tektronix 300 series models.source[2]

What does it need to run?

Site utility requirements, footprint, and infrastructure needed to install and operate this tool. Sourced from public records.

  • Bandwidth4 MHz[1]
  • Bandwidth in ×10 mode2.5 MHz[1]
  • Deflection10 mV/div to 20 V/div (1 mV/div to 2 V/div in ×10 mode)[1]
  • Calibrator0.5 V p-p, 750 Hz, rise time < 2 μs, source impedance 10 kΩ[1]
  • PowerAC: 90–136 V or 180–272 V, 14 W; DC: 6–16 V, 1.6 W typ., 4.5 W max.[1]

Where are the manuals?

Generated from public-source data on file. Enter your email to access — nothing is published; details are routed privately.

Not publicly documented

Field notes

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Frequently asked questions

What type of instrument is the Tektronix 323?

It is a portable single-trace oscilloscope with 4 MHz bandwidth.[1]

What power sources does the Tektronix 323 support?

It supports AC power at 90–136 V or 180–272 V and DC power at 6–16 V. It also has a built-in battery.[1]

What display modes are supported?

It includes an external trigger/X input that supports X-Y displays.[1]

Can the Tektronix 323 be used with other equipment?

It can be used as the CRT display for a 1501 TDR unit or a 1401 spectrum analyzer.[1]

Not publicly documented

The following facts about the 323 are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.

  • No publicly documented variants, configuration options, or revision breakpoints of the 323 are on record.

    Answerable by: an OEM product catalog or an engineer who ordered or specified the tool

  • The control-system platform and OS era of the 323 are not on record.

    Answerable by: an engineer who operated it or OEM installation records

  • No publicly documented failure modes or field errata for the 323 are on record.

    Answerable by: a field service engineer, process engineer, or maintenance technician

  • The process node or technology generation of the 323 is not on record.

    Answerable by: an OEM datasheet or a fab qualification report

  • No publicly documented compatible parts, consumables, or accessories for the 323 are on record.

    Answerable by: an OEM parts catalog or a service engineer

No research found yet — worked with this tool? Share what you know.

Sources & citations

Sources (2)Every fact above is drawn from these public sources
  1. [1]w140.com — w140.comw140.com
  2. [2]en.wikipedia.org — en.wikipedia.orgen.wikipedia.org
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Last updated Oct 11, 2026.

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