3S7

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Tektronix 3S7
Sampling TDR plug-in Tektronix 3S7 Compatible with 560-series scopes Produced from 1971 to 1973 Manuals Tektronix 3S7/3T7 Manual (All manuals in PDF format unless noted otherwise)

Manuals – Specifications – Links – Pictures

The Tektronix 3S7 is a Sampling TDR vertical plug-in, introduced in 1971, for 560-series scopes such as the 561 and 564.

When used with the 3T7, a TDR system is formed.

The 3S7/3T7 are seen on the front cover of the Tektronix TDR Measurement Concepts book. Like the 1S2, the connectors on the 3S7/3T7 are 50 Ω GR-874 connectors. A short coaxial cable carries the pulse from the front panel output of the 3T7 to the front panel input of the 3S7, where it passes through the sampling gate and out to the cable or network under test.

The interface between the GR-874 connector and the printed circuit board is described in US Patent 3,426,311.

Key Specifications

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Links

Documents Referencing 3S7

Document	Class	Title	Authors	Year	Links
062-1244-00.pdf	Book	Measurement Concepts: Time-Domain Reflectometry Measurements	James A. Strickland • H. Allen Zimmerman • Gordon Long • George Frye	1969	TDR • 3S7 • 3T7

Pictures

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Right
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Bottom
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Panel Wiring

Components

Some Parts Used in the 3S7

Part	Part Number(s)	Class	Description	Used in
155-0035-00	155-0035-00 • 155-0116-00	Monolithic integrated circuit	quad op-amp	3110 • 3S7 • 3T7 • 492 • 492A • 492AP • 492P • 494 • 494P • 496 • 496P • 4010 • 4011 • 4012 • 4013 • 7L5 • 7L12 • 7L13 • 7L14 • 7L18 • 7S11 • 7T11 • 7S12 • S-6 • 1461 • 4602 • P7001 • 613 • 653

3S7