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25. Basis Performance Test (2650 only)
To keep the quality of the unit, regular performance testing is recommended. This section describes
a method and specification of basic performance testing. If a problem is found in the results of basic
performance testing, or formal testing is needed, please contact the dealership where you purchased the
product, or contact us.
[Connection diagram]
Receiver for calibration
Spectrum analyzer calibration unit
(MICRONIX MFG206)
2650
25.1 Frequency characteristics
Adjust the output level of the spectrum analyzer calibration unit (thereafter, “calibration unit”) so that the
displayed power value is -15dBm at each frequency for this unit, and measure the absolute value with a
receiver for calibration (microwave power meter, etc.).
Setting of 2650
Center
frequency
Frequency
span
RBW
50kHz
100kHz
1MHz
10MHz
100MHz
1GHz
2GHz
3.3GHz
200kHz
200kHz
2MHz
10MHz
10MHz
10MHz
10MHz
10MHz
10kHz
30kHz
100kHz
3MHz
3MHz
3MHz
3MHz
3MHz
Specifications
Measurement value
Judgment
Within Reference±2.6dB±1dot
Within Reference±2.6dB±1dot
Within Reference±1.6dB±1dot
Within Reference±1.0dB±1dot
Reference
Within Reference±1.0dB±1dot
Within Reference±1.0dB±1dot
Within Reference±1.0dB±1dot
* RBW switching error is included at RBW other than 3MHz.
· Setting of 2650
Reference level
VBW
Sweep time
Detection mode
Display scale
:
:
:
:
:
-15dBm
1MHz
1s
SMPL
2dB/div
· Setting of calibration unit
:
Frequency
Output power :
–63–
Same as a center frequency of
2650.
Adjust the power indication of
2650 to -15dBm.