Performance Verification
2715 Spectrum Analyzer Service Manual 4-15
Check with Preamp OFF as specifi ed in Table4 --9.
1. Recall default power up settings by pressing UTIL 1 1.
2. Select the following settings on the SpectrumAnalyzer:
FREQUENCY 2.15 GHz
REFERENCE LEVEL --30 dB m
SPAN/DIV ZERO SPAN
RESOLUTION BW 5 MHz
VERTICAL SCALE 10 dB/
3. Set the VIDEO FILTERto 10 Hz by pressing UTIL251.
4. Make sure that the preamplifieris disabled (INPUT 1).
5. Check that the noise floor is ≤-- 77 dBm.
6. Check sensitivity as specified in Table4--9 forthe remaining bandpass
filters.
Table4 -9: Sensitivity Settings at 2.15 GHz
Res BW Ref Level Sensitivity
5MHz --30 dBm --75dBm
1MHz --30 dBm --82dBm
300 kHz --30dBm --87 dBm
100 kHz --40dBm --92 dBm
30 kHz --50dBm --97 dBm
10 kHz --50dBm --102 dBm
3 kHz --60dBm --107 dBm
1 kHz --60dBm -- 1 1 2 d B m
300 Hz --70dBm -- 11 7 dBm
Performance requirement is ≤--100 dBm (exceptat 1780 MHz where the
specification is ≤--90dBm).
1. Recall default power up settings by pressing UTIL 1 1.
Sensitivity at 2.15 GHz(Option 50 and Option 75)Spurious Responses