S-6
Template:Plugin Sidebar 2 The Tektronix S-6 Sampling Head plug-in is a 50 Ω feed-through unit with a rise-time of 30 ps and bandwidth of 11.5 GHz. It was introduced in 1971.
The S-6 provides two unterminated 50 Ω SMA connections in a loop-through configuration as is convenient for TDR applications. It is good practice to leave a termination resistor on the unit when unused to give some protection against electrostatic discharge.
Key Specifications
| Rise time | 30 ps |
|---|---|
| Bandwidth | 11.5 GHz |
| Operating input voltage range | 1 Vp-p |
| Maximum single sample step | 250 mV for less than 5% aberration |
| Maximum input voltage | ±5 VDC |
| Input impedance | 50 Ω (unterminated!) |
| Noise | < 5 mV of noise |
| Features |
|
Links
- S-6 internal photo and simulation
- Repairing an S-6 head (with internal photos)
- S-6 @ amplifier.cd 7S12 page
- S-6 @ barrytech.com
Pictures
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S-6 front
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S-6, entire plugin
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S-6 sampling head and S-52 pulse generator head in a 7S12 TDR/Sampler plugin
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S-6 with a black face plate
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S-6 internal left side
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S-6 internal right side
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S-6 internal right side
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S-6 internal left side, Preamp board removed
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S-6 internal all boards removed, 155-0053-00 hybrid remains
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S-6 Preamp board top
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S-6 Preamp board backside
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S-6 Strobe board backside
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S-6 interconnect board
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155-0053-00 hybrid sampling diode assembly
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155-0053-00 hybrid sampling diode assembly (internal)
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155-0053-00 hybrid sampling diode assembly with lid
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155-0053-00 hybrid sampling diode assembly (internal)
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155-0053-00 hybrid sampling diode assembly (internal)
Measurements
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Impulse taken with S6 sampling head. Every dot is equivalent to one sample taken, and combined on the CRT with a rate of app. 100 Hz. Bright dots are newer than dimmed ones.
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Incident pulse from an S-52 (nom. < 25 ps) displayed by an S-6 head (nom. < 30 ps), both installed in a 7S12. Displayed rise time ~35 ps confirms spec.
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"Self Portrait" of an S-6: A pulse reflected on the unterminated "through" path (approx. 120 ps one way)
