8 Using N8480 Series Power Sensors
230 Keysight N1911A/1912A User’s Guide
Introduction
The N8480 Series power sensors is a replacement for the 8480 Series power
sensors (excluding the D-model sensors) with build-in Electrically Erasable
Programmable Read-Only Memory
(EEPROM)
[1]
.
The N8480 Series power sensors is used for measuring the average power
supplied by RF or microwave source or a device-under-test (DUT). The N8480
Series power sensors places a 50 ohm load on the RF or microwave source. The
power meter indicates the power dissipated in this load in W or dBm.
The N8480 sensors (excluding Option CFT) measure power levels from
–35 dBm to +20 dBm (316 nW to 100 mW), at frequencies from 10 MHz to 33 GHz
and have two independent power measurement path (upper and lower range).
Meanwhile, the N8480 sensors with Option CFT only measure power levels from
–35 dBm to +20 dBm (1 µW to 100 mW) in single range.
[1] The calibration factor table stored in the EEPROM is not applicable for N8480 Series sensors with
Option CFT.
Table 8-1 Power range in the Range setting
Sensor Range Setting Lower Range Upper Range
N8481/2/5/7/8A and
N8486AQ/AR
excluding Option CFT
AUTO (Default) –35 dBm to –1 dBm –1 dBm to +20 dBm
LOWER –35 dBm to –1 dBm -
UPPER
[a]
[a] Recommended for pulse signals measurement with period of more than one second.
- –35 dBm to +20 dBm
N8481/2B excluding
Option CFT
AUTO (Default) –5 dBm to +29 dBm +29 dBm to +44 dBm
LOWER –5 dBm to +29 dBm -
UPPER
[a]
- +29 dBm to +44 dBm
N8481/2H excluding
Option CFT
AUTO (Default) –15 dBm to +17 dBm +17 dBm to +35 dBm
LOWER –15 dBm to +17 dBm -
UPPER
[a]
- +17 dBm to +35 dBm
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