Table 1-6 Signal Generator Settings - Keysight 8990B Service Manual

1 Performance Verification and Adjustments
7 Set the input impedance for the video input channel 2 to 50 Ω.
8 Set the vertical scale for the video input channel 2 to the vertical scale as
9 Set the horizontal scale to 16 ns/div.
10 Set the signal generator to output a 50 MHz sine wave (CW signal) with a
Table 1-6
Vertical scale
5 mV/div
10 mV/div
20 mV/div
50 mV/div
100 mV/div
200 mV/div
500 mV/div
1 V/div
The power splitter has a 6 dB loss.
NOTE
11 Turn on the RF Out of the signal generator.
12 Measure the input power at video input channel 2 of the 8990B, and convert
13 Record the calculated RMS voltage (V
48
shown in Table 1-6.
peak-to-peak amplitude of 4 divisions. Refer to
required signal amplitude.
Signal generator settings
RF signal amplitude
(signal source)
0.02 Vpp
0.04 Vpp
0.08 Vpp
0.20 Vpp
0.40 Vpp
0.80 Vpp
2.0 Vpp
4.0 Vpp
the value to rms voltage using the following equation:
V in@50 MHz = P meas
RF signal amplitude
(signal source)
–24 dBm
–18 dBm
–12 dBm
–4 dBm
+2 dBm
+8 dBm
+16 dBm
+22 dBm
× Ω
50
in@50 MHz
Table 1-6 to determine the
RF signal amplitude
(power meter and
8990B)
–30 dBm
–24 dBm
–18 dBm
–10 dBm
–4 dBm
+2 dBm
+10 dBm
+16 dBm
) in Table 1-7.
Keysight 8990B Service Guide