1503C

The Tektronix 1503C is a sinusoidal TDR cable tester with a similar design to the 1502B/C step-pulse TDRs, an updated version of the analog 1503 and microprocessor-based 1503B predecessors.

Tektronix 1503C

Time Domain Reflectometer

Produced from 1992 to (?)

Manuals

1503C

1503C User Manual 070-7323-05 (FW 5.04+)
1503C User Manual 070-7323-02 (FW 5.02+)
1503C Service Manual 070-7170-05
1503C Service Manual 070-7170-01 B02XXXX needed
1503C Service Manual 070-7170-01 B01XXXX needed

ROM Images

File	Pos.	Checksum
160-9008-00	U2020	05b174ba

(All manuals in PDF format unless noted otherwise)

Manuals – Specifications – Links – Pictures

Key Specifications

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Links

Documents Referencing 1503C

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Internals

Several of the schematic diagrams in the 1503C Service Manual are labeled as being applicable to both the 1503B and 1503C: Main (Connectors, Processor, Address Decode, Option Port, Misc Analog,Video Processor, Digital Timebase,Analog Timebase), Front Panel, Power Supply, L/R Pulser/Sampler, Ethernet Adaptor.

Pictures

1503C
1503C
Plugin bay
TDR Sliderule Calculator

Components

Some Parts Used in the 1503C

Part	Part Number(s)	Class	Description	Used in
152-0503-00	152-0503-00	Discrete component	500 ps step recovery diode	1503C • TG501 • TG501A
SG3524	156-0933-00 • 156-0933-01 • 156-1585-00 • 156-1585-01	Monolithic integrated circuit	PWM switch-mode controller	067-1011-00 • 1502B • 1502C • 1503B • 1503C • 7A42 • DP100
Zilog Z-80	156-0983-03 • 156-0983-04 • 156-0963-02 • 156-2280-00	Monolithic integrated circuit	8-bit microprocessor	318 • 338 • 1503B • 1503C • 5223 • 834 • 835 • 836 • DAS9100 • SPG-271 • TSG-170