Monitoring Signal Characteristics
R&S
®
SMW200A
623User Manual 1175.6632.02 ─ 30
1 2
3
5
6
7
9
10
11
4
8
Figure 9-17: Overview of the acquisition points (source) and output points
1 = Baseband A/B/C/D
2 = Fading Input A/B/C/D
3 = Fading Output A/B/C/D
4 = AWGN Input A/B/C/D
5 = Stream A/B/C/D
6, 10 = output: RF A/B (A/B)
7, 9 = output: I/Q Out 1/2 (C/D)
8 = output: Dig I/Q Out BBMM 1/2 (A/B), FADER 3/4 (C/D)
11 = BB Input C/D
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Depending on the current routing, the signal at the input of the fading blocks (2)
can be:
– One of the basebands (1)
– The sum product of the corresponding internal baseband and externally applied
digital baseband signal (11).
Enabled power offsets are considered.
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The signal at the fading output (4) is the faded signal if fading is enabled or the
sum product of the input signals if summation after the fading is performed.
Enabled power offset is considered.
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The signal measured at the acquisition points "Stream A/B/C/D" (5) is the signal
after the AWGN block (3). Depending on the AWGN settings, performed are mea-
surement on interference-free digital I/Q baseband signal or the signal superim-
posed by the noise generator AWGN.
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The points (6) to (10) represent the possible outputs for the corresponding analog,
digital or RF output. The measured values are displayed in the current units of the
corresponding output.
Querying Information on the Baseband Power Levels
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