Tektronix SD22

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Equipment Location: USA

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Description of Tektronix SD22

Categories: T&M, Sampling Heads

Manufacturer: Tektronix

Model: SD22

Condition: Used

Seller: TestWorld Inc

Tektronix SD22 SD-22 12.5 GHz Sampling Head, 3.5mm, for 11800 series scopes

Rise time

28 ps

Bandwidth

12.5 GHz

Sampling repetition rate

100 Hz to 200 kHz

Time coincidence

10 ps between channels

Maximum input voltage

1 V_p-p, 1.6 V_p-p operating, ±3 V non-destructive

Noise

800 μV_RMS max., 400 μV_RMS typ. (400/180 μV with smoothing)

Time coincidence

10 ps between channels

Input

3.5 mm connector

Product specifications of Tektronix SD22 (From Used-Line T&M Specifications)

Launch Date Jan-2049
Status Discontinued by Manufacturer

The SD22 is a dual-channel, 12.5 GHz sampling head specifically designed for low-noise measurement in digital communications and device characterization applications. It provides an acquisition rise time of 28 ps, and typically 450 µVRMS of displayed noise. With smoothing, noise levels are 180 µVRMS.

In order to precisely capture and display the switching characteristics of high-speed communications circuits, to make accurate statistical measurements of signal noise and signal timing jitter, or to obtain stable timing measurements of fast digital ICs, the noise floor of the test equipment must be kept to a minimum. The SD22 is the ideal instrument for these low-noise applications.

12.5 GHz Bandwidth
Low-noise
Dual-channel
Sample repetition rate
- Maximum: 200 kHz
- Minimum: 100 Hz
Rise Time: 28 ps, from 10% to 90%
Dynamic Range - 1 Vp-p within a ±1.6 V range
Aberrations
- 10 ns to 20 ps before step: ±3% or less, typical
- <300 ps after step: +10%, -5% or less, typical
- 300 ps to 5 ns after step: ±3% or less, typical
- 5 ns to 100 ns: ±1% or less, typical
- elsewhere: ±0.5% or less, typical
Dot Transient Response - Accuracy after calibration at operating temperature is ±5% for signals up to 0.5 Vp-p. Adjustable to unity for signals up to 1.0 Vp-p
Input Impedance: 50 Ohm ±0.5 Ohm
Displayed Noise
- Maximum, typical, with unity dot response: 800 µV, 400 µV
- Maximum, typical, with smoothing: 400 µV, 180 µV
Maximum Safe Input Voltage: ±3 V
Maximum Operating Input: 1.6 Vp-p
Maximum Signal Voltage: 1.0 Vp-p