Gw Instek GSP-830Spectrum analyzer, spectrum analyzerBandwidth (RBW) 3/30/300 kHz/4 MHz GSP-830 数据表

产品代码
GSP-830
下载
页码 181
   AMPLITUDE 
   51
 
Set external offset level 
 
Background 
External offset compensates the amplitude gain or loss 
caused by an external network or device. 
Panel operation 
1.  Press the Amplitude key. 
Amplitude
 
 
2.  Press F4 (Ext.Gain). 
Ext.Gain
0dB
F   4
 
 
3.  Enter the value using the 
Numerical keys and dB or Enter 
key. 
BK  SP
dB
Enter
GHz /
Sec
mSec
MHz /
kHz /
   Sec
μ
 
Range 
−20.0dB to +20.0dB, 0.1dB resolution 
Icon 
 
The amplitude icon appears at the bottom of  
the display when the external offset changes. 
Example 
Before (offset: 0dB) 
Reference: -27dBm
Offset:
0dB
 
After (offset: −3dB) 
Offset:
-3dB
Reference: -30dBm
Icon