Technical data

1 Specifications
12 N1911A/1912A P-Series Power Meters Service Guide
1 mW Power Reference
Rear panel inputs/outputs
NOTE
The 1mW power reference is provided for calibration of E-Series, 8480 Series and N8480
Series sensors. The P-Series sensors are automatically calibrated do not need this
reference calibration.
Power output
1.00 mW (0.0 dBm). Factory set ± 0.4 % traceable
to the National Physical Laborator (NPL) UK
Accuracy (over 2 years)
± 1.2 % (0 to 55
o
C)
± 0.4 % (25 ± 10
o
C)
Frequency
50 MHz nominal
SWR
1.08 (0 to 55
o
C)
1.05 typical
Connector type
Type N (f), 50 Ω
Recorder output
Analog 0-1 Volt, 1 kΩ output impedance, BNC
connector. For dual channel instruments there will be
two recorder outputs.
GPIB, 10/100 BaseT LAN and USB 2.0
Interfaces allow communication with an external
controller.
Ground
Binding post, accepts 4 mm plug or bare-wire
connection.
Trigger input
Input has TTL compatible logic levels and uses a BNC
connector.
Trigger output
Output provides TTL compatible logic levels and uses.
Line power
A BNC connector
• Input voltage range 100 to 240 Vac
100 to 120 Vac
Automatic voltage selection
Fluctuations not exceeding ±10%
• Input frequency range 50 to 60 Hz (100 to 240 Vac)
440 Hz (100 to 120 Vac)
• Power requirement 70 VA (maximum)