Keysight N9915-90020 User’s Guide 37
Preparing for Initial Use of Your New FieldFox
Avoid Overpowering the FieldFox
Avoid Overpowering the FieldFox
The FieldFox can be damaged with too much power or voltage applied.
Exceeding the maximum RF power levels shown below will cause an ADC Over
Range message to appear on the screen.
Maximum Input Voltages and Power:
– RF Output Connector: 50V DC, +23 dBm RF
– Ext Trig/Ref Connector: 5.5 V DC
RF Input:
– +27 dBm RF, ±50 VDC Max. (N991xA/B, N9925B, N9926A,
N9928A, N993xA/B)
– +23 dBm RF, ±50 VDC Max. (N9923A, N9923AN)
– +25 dBm RF, ±40 VDC Max. (N99xxC, N995xA/B, N996xA/B)
DC Input: 19VDC, 4ADC, 60 Watts maximum when charging battery
Learn more about Maximum power and voltages in the FieldFox Data
Sheet. Refer to the C-Series FieldFox Data Sheet and Appendix B:,
“Specifications/Data Sheet,” on page 869
.
Very often, coaxial cables and antennas build up a static charge, which, if
allowed to discharge by connecting to the FieldFox, may damage the
instrument input circuitry. To avoid such damage, it is recommended to
dissipate any static charges by temporarily attaching a short to the cable
or antenna prior to attaching to the FieldFox.
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