GW Instek GSP-830 User Manual - Manual (Page 88)

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