Acquisition and waveform setup
R&S
®
RTO6
161User Manual 1801.6687.02 ─ 05
Remote command:
DEEMbedding<m>:
COMPonent<n>:
LOAD:IMPedance? on page 2565
PROBe<m>:DEEMbedding:LOAD:IMPedance on page 1361
5.6.5.3 Termination voltage with R&S RT‑ZMA40 SMA module
Termination voltage is relevant if you use the R&S RT‑ZMA40 SMA module. The SMA
module applies a termination voltage (±4 V) to the DUT to enable measurements
against a common mode DC voltage instead of ground. This measurement is required
for many digital signal standards.
The termination voltage can be controlled by the oscilloscope. Therefore, connect the
V
T
terminal of the R&S RT‑ZM probe amplifier to the V
T
terminal of the R&S RT‑ZMA40
SMA module using the red DC lead (see R&S RT‑ZM User Manual). The required ter-
mination voltage is measured and adjusted automatically, but can also be set manually.
Access: "Menu" > "Vertical" > "Probes" > "Termination"
Enable
Activates control of the termination voltage.
Remote command:
PROBe<m>:
SETup:TERM:
STATe on page 1356
Mode
In "Auto" mode, the instrument uses the measured common mode voltage for termina-
tion.
In "Manual" mode, you can enter the voltage to be used for termination. Use the man-
ual mode if you know the common mode voltage of the DUT.
Remote command:
PROBe<m>:SETup:TERM:MODE on page 1357
Adjustment
Sets the voltage to be used for termination to DC voltage.
Remote command:
PROBe<m>:SETup:TERM:ADJust on page 1357
Probes
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