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* [http://w140.com/tek_s-3.pdf Tektronix S-3 Manual (PDF)] | * [http://w140.com/tek_s-3.pdf Tektronix S-3 Manual (PDF)] | ||
}} | }} | ||
The S-3 sampling head is a plug-in head for use with the | The '''Tektronix S-3 sampling head''' is a plug-in head for use with the | ||
7000 series sampling plug-ins or | 7000 series sampling plug-ins or the Type [[3S2]], [[3S5]], and [[3S6]] samplers. | ||
The plug-in includes a permanently attached 1× probe with the sampling bridge enclosed in the probe. | The plug-in includes a permanently attached 1× probe with the sampling bridge enclosed in the probe. | ||
Optional 10× or 100× attenuator tips | Optional 10× or 100× attenuator tips (010-0364-00, 010-0365-00) provide extended input voltage range. | ||
==Specifications== | ==Specifications== | ||
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* Maximum signal voltage: 2 V<sub>p-p</sub> | * Maximum signal voltage: 2 V<sub>p-p</sub> | ||
* The S-3 does not provide a trigger pickoff for internal triggering. | * The S-3 does not provide a trigger pickoff for internal triggering. | ||
* An offset voltage of either | * An offset voltage of either ±1 V or ±2 V can be selected via a toggle switch on the front panel. | ||
== Differences between S-3 and S-3A == | == Differences between S-3 and S-3A == | ||
The S-3A sampling head has a 10× improvement in baseline shift due to cable flexing. | The S-3A sampling head has a 10× improvement in baseline shift due to cable flexing. | ||
All other specifications are identical to the ordinary S-3. | All other specifications are identical to the ordinary S-3. | ||
The major differences in design involves the gate board in the box part of the probe, | The major differences in design involves the gate board in the box part of the probe, | ||
but some changes are also made to the circuits in the body of the probe. | but some changes are also made to the circuits in the body of the probe. | ||
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<gallery> | <gallery> | ||
S3_frontend.png | S3_frontend.png | ||
S3a attenuator.jpg|S-3A | S3a attenuator.jpg|010-0364-00 ×10 attenuator for S-3A | ||
S3a box front.jpg|Front | S3a box front.jpg|Front | ||
S3a probe external1.jpg|S-3A probe | S3a probe external1.jpg|S-3A probe |