GW Instek GSP-930 User Manual - Manual (Page 245)

APPENDIX
243
Absolute Amplitude Accuracy
Absolute Point Center=160 MHz ; RBW 10 kHz; VBW 1 kHz;
span 100 kHz; log scale; 1 dB/div; peak
detector; 20 to 30°C; signal 0 dBm
Preamp off ± 0.3 dB Ref level 0 dBm;
10 dB RF attenuation
Preamp on ± 0.4 dB Ref level -30 dBm;
0 dB RF attenuation
Frequency Response
Preamp off Attenuation: 10 dB; Reference: 160 MHz; 20 to
30°C
100 kHz to 2.0
GHz ± 0.5 dB
2.0GHz to 3.0
GHz ± 0.7 dB
Preamp on Attenuation: 0 dB; Reference: 160 MHz; 20 to
30°C
1 MHz to 2.0
GHz ± 0.6 dB
2.0GHz to 3.0
GHz ± 0.8 dB
Attenuation Switching Uncertainty
Attenuator setting 0 to 50 dB in 1 dB step
Uncertainty ± 0.15 dB reference: 160 MHz,
10dB attenuation
RBW Filter Switching Uncertainty
10 Hz to 1 MHz ± 0.15 dB reference : 10 kHz
RBW
Level Measurement Uncertainty
Overall Amplitude
Accuracy ± 1.5 dB 20 to 30°C; frequency > 1 MHz;
Signal input 0 to -50 dBm;
Reference level 0 to -50 dBm;
Input attenuation 10 dB;
RBW 1 kHz;
VBW 1 kHz; after cal; Preamp Off
± 0.5 dB Typical