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4
Specifications and Characteristics
N432A Specifications
Frequency range
100 kHz to 18 GHz, thermistor- sensor dependent
Power range
–30 dBm to +10 dBm (1 μW to 10 mW), thermistor- sensor dependent
Thermistor sensor compatibility
• Keysight 478A thermistor sensor (with Option H63, H75, and H76)
• Keysight 8478B thermistor sensor
Meter power accuracy
Absolute power accuracy: ± (0.1% of reading + 0.5 μW)
Meter voltage accuracies (1-year reference specifications)
• V
• V
Bridge resistance
Selectable resistances of 100, 200, 300, and 400 Ω
Single sensor dynamic range
40 dB maximum (Keysight 478A and 8478B thermistor sensors)
Display units
• Power: Absolute – Watts (W) or dBm, Relative – Percent (%) or dB
• V
• V
• Bridge resistance: Ohm
Display resolutions
• Power: Selectable resolutions of 1, 0.1, 0.01, and 0.001 dBm in
122
and V
: 23°C
RF
COMP
±
and V
: 23°C
5°C:
0
1
and V
: VDC
RF
COMP
and V
: VDC and mVDC
0
1
logarithmic mode, or 1, 2, 3, and 4 significant digits in linear mode
±
±
5°C:
(0.0035% + 50
±
μ
(0.0040% + 25
V) [reading + range]
μ
V) [reading + range]
N432A User's Guide
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