User Manual

SIGLENT
SVA1000X Service Manual 29
4. Connect the RF generator and spectrum analyzer as figure 3-2(b) shows
5. Set the output frequency of the RF generator to 50 MHz and the amplitude
to P
-10
.
6. Configure the spectrum analyzer:
a) Set the center frequency to 50 MHz.
b) Set the span to 10 kHz.
c) Set the reference level to 0 dBm.
d) Set the input attenuation to 20 dB.
e) Set the resolution bandwidth to 1 kHz and the video bandwidth to 10 Hz.
f) Set the sweep time to auto and the auto sweep time to accuracy.
7. Press Peak to find the maximum value. Record it as reference value P
(ATT = 20 dB).
8. Change the output amplitude of the RF generator to P
-30
。
Set the input
attenuation of the spectrum analyzer to 0dB. Press Peak to find the
maximum value. Record it as reference value P (ATT = 0 dB).
9. Repeat the step 8, record the value
P (ATT = 5 dB),
P (ATT = 10 dB),
P (ATT = 15 dB),
P (ATT = 25 dB),
P (ATT = 30 dB).
Error (ATT = 0 dB)= P (ATT = 0 dB)- P (ATT = 20 dB),
Error (ATT = 5 dB)= P (ATT = 5 dB)- P (ATT = 20 dB),
Error (ATT = 10 dB)= P (ATT = 10 dB)- P (ATT = 20 dB),
Error (ATT = 15 dB)= P (ATT = 15 dB)- P (ATT =20dB),
Error (ATT = 25 dB)= P (ATT = 25 dB)- P (ATT = 20 dB),
Error (ATT = 30 dB)= P (ATT = 30 dB)- P (ATT = 20 dB).
Record:
P
0~-30
ATT
P (ATT = 0~30 dB)
Error
P
0
0
P
-5
5
P
-10
10
P
-15
15
P
-20
20
——
P
-25
25
P
-30
30