Tektronix MSO70000C/DX

The timebase changes in correspondence to the fluctuations in the external reference.
≥4 GHz models 10 MHz, 100 MHz
The instrument scans for either 10 MHz or 100 MHz.
<4 GHz models 10 MHz
External reference input
sensitivity, typical
≥4 GHz models ≥ 200 mV
p-p
<4 GHz models ≥ 1.5 V
p-p
External reference input voltage,
maximum, typical
> 20 GHz models: 4 Vp-p
≤20 GHz models: 7 Vp-p
External reference input
impedance, typical
>20 GHz models R
in
= 50 Ω
≥4 GHz, ≤20 GHz models R
in
= 1.5 kΩ, C
in
= 40 pF, measured at >100 kHz
<4 GHz models 385 Ω, C
in
= 137 pF, measured at 10 MHz
External reference input frequency
variation tolerance, typical
>20 GHz models Low (stable) jitter mode: ± 10 ppm
High (tracking) mode: ± 1%
≥4 GHz, ≤20 GHz models Low (stable) jitter mode: ± 100 ppm
High (tracking) mode: ± 1%
Running SPC is required whenever the external reference is more than 0.1% (1000 ppm) different
from the nominal reference frequency or reference at which SPC was last run.
<4 GHz models 9.8 MHz to 10.2 MHz
Internal reference output
frequency
≥4 GHz models 10 MHz
<4 GHz models 10 MHz available at AUXOUT
Internal reference output voltage,
typical
≥4 GHz models > 750 mV peak-peak into 50 Ω
> 1.5 V peak-peak into 1 MΩ (internally AC coupled).
<4 GHz models
V
out
high V
out
low (true)
≥2.5 V into open circuit,
≥1.0 V into 50 Ω load to ground
≤0.7 V with ≤4 mA sink,
≤0.25 V into 50 Ω load to ground
Specifications (MSO70000C/DX, DPO70000C/DX, and DPO7000C series) Input-output port specifications
(cont.)
72 MSO70000C/DX, DPO70000C/DX, DPO7000C, MSO5000/B, DPO5000/B Series