GSP-830 User Manual
88
N dB Measurement
Background
N dB refers to the frequency bandwidth of a channel
that covers the specified amplitude.
Parameter N
dB
0.1dB to 80dB, 0.1dB resolution
1. Activate N dB
1.
Press the Measurement key.
Meas
2.
Press F6 (More).
More
F 6
3.
Press F1 (N dB BW On).
N dB BW
On Off
F 1
4.
The display switches to N dB
mode, updating N dB result in
the lower half of the display.
3dB
Bandwidth
2. Set amplitude
1.
Press F2 (NdB) to set the
amplitude which the BW covers.
N dB
F 2
2.
Enter the amplitude using the
Numerical keys and dB or Enter
key.
Range: 0.1dB to 70dB
BK SP
dB
Enter
GHz /
Sec
mSec
MHz /
kHz /
Sec
μ