Performance Tests 2
Keysight N1913/1914A Service Guide 49
Complete Equipment List
Instrument Critical specifications Recommended Keysight 
model number
Alternative Keysight 
model number
Meters
Power Meter Dual channel
Absolute accuracy: 0.5%
Power reference accuracy: 0.9% – (a best 
capability measurement is required for the 
power reference output — the power level 
must be accurately measured, and the 
uncertainty of this measurement must also be 
known)
E4419B E4419A
Power Sensor Frequency: 50 MHz
Amplitude range: –70 dBm to –20 dBm
SWR: 1.15 at 50 MHz
8481D
Power Sensor Frequency: 50 MHz
Amplitude range: –30 dBm to +20 dBm
SWR: 1.1 at 50 MHz
N8482A 8482A
Power Sensor Frequency: 50 MHz
Amplitude range: –70 dBm to +20 dBm
SWR: 1.06 maximum
E4412A
Attenuator
20 dB Fixed Attenuator N-type (m,f) 8491B (Option 020)