323

Manuals – Specifications – Links – Pictures

The Sony/Tektronix 323 is a 4 MHz portable single-trace oscilloscope, similar to the 324.

It was the first product of the Sony/Tektronix cooperation. Project manager was John Gates.

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

Key Specifications

Bandwidth	4 MHz (2.5 MHz in ×10 mode)
Rise time	90 ns (130 ns in ×10 mode)
Sweep	5 μs/Div to 1 s/Div, 1—2—5, ×10 magnifier (i.e. to 500 ns/Div)
Deflection	10 mV/Div to 20 V/Div (1 mV/Div to 2 V/Div in ×10 mode)
Input impedance	1 MΩ // 47 pF
Calibrator	0.5 Vp-p, 750 Hz, rise time < 2 μs, source impedance 10 kΩ
CRT	T3230-31-1 (154-0519-00), P31 phosphor, 10 × 6 Div. @ 6.25 mm (0.25"), 2 kV acceleration
Power	AC: 90—136 V or 180—272 V, 14 W ; DC: 6—16 V, 1.6 W typ., 4.5 W max.
Battery	Six size "C" NiCd cells, runtime 3 h (full intensity) / 4 h (low intensity), charge time 16 h
Dimensions	10.7 cm × 21.6 cm × 27 cm (4.2" × 8.5" × 10.6")
Weight	3.06 kg (6.75 lb)
Features	Ext Trig / X input (supports X-Y displays) External blanking input (by deflection, not Z modulation) Built in battery

Links

• AC power connector schematic

Documents Referencing 323

Document	Class	Title	Authors	Year	Links
Service Scope 51 Aug 1968.pdf	Article	Portable Precision - Redefined		1968	323
Service Scope 51 Aug 1968.pdf	Article	Plug-on Versatility	Cal Hongel	1968	323 • P6048 • P6035 • 454
Tekscope 1969 V1 N4 Aug 1969.pdf	Article	Nickel-Cadmium Battery Rev1ew		1969	321A • 323 • 410 • 422

Prices

Year	1973	1976	1977
Catalog Price	$950	$1,200	$1,400
In 2023 Dollars	$6,600	$6,500	$7,100

Pictures

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  323 front with sine trace

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  323 front

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  323 front with square trace

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  323 front RHS with handle folded as stand

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  323 rear

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  323 LHS connectors

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  323 + pocket lighter size comparison

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  323 with 1501 TDR

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  Power Connectors - DC & AC

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  1401A-1/323 combo

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  1401A-1/323 combo side view with hand made acrylic support.

Internal

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  Top cover open

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  Top View of 323

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  323 Main Board (Bottom)

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  323 Battery and Charger Board

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  323 Vertical Attenuator Board

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  323 Spare Fuses

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  323 Power supply Board

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  323 Regulator board

Compopnents

Some Parts Used in the 323

Part	Part Number(s)	Class	Description	Used in
STD930	152-0330-00	Discrete component	2.2 mA, 25 pF tunnel diode	323 • 324
T3230	154-0519-00	CRT	CRT	323