Performance ver
ification
Input-related spurious response: Half-IF response
NOTE. Youdono
t need to do the first three steps (setup, reset, and alignment) when you perform the input-related spurious
response tests in sequence.
NOTE. The half-IF specification applies when the second harmonic distortion of the signal at the input of the RSA306 is less
than -60 dBc. A tunable band pass fi lter is used to attenuate the second harmonic distortion of the generator.
1. Connec
t the signal generator, power splitter, power sensor, power meter, tunable band pass filter (K&L
5BT-375/750-5-N/N), and RSA306 as shown. Connect the power sensor and RF signal generator directly to the power
splitter, which is connected directly to the RSA306.
NOTE.
You will replace the tunable band pass filter with a different range filter later in the procedure.
2. Reset the RSA306 to factory defaults (Presets > Main).
3. Run the RSA 306 alignment procedure (Tools > A lignments > Align Now).
4. Set the RSA306 as follows:
a. Reference Level = –30 dBm
b. Span = 1MHz
c. RBW = 1kHz
d. Detection mode = +PEAK (Setup > Settings > Traces > Detection > +PEAK)
e. Function = Avg (Vrms) (Setup > Settings > Traces > Function)
f. Averaging = 10 (Setup > Settings > Traces > Function: count = 10)
g. Select External Reference (Setup > Acquire > Frequency Reference > External)
49 RSA306 Speci fications and Performance Verification
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