Specifications and Characteristics 11
N1911A/1912A P-Series Power Meters User’s Guide 259
Measurement Characteristics
Trigger
4
Latency is defined as the delay between the applied RF crossing the trigger level and the power
meter switching into the triggered state.
Internal Trigger Range: –20 to +20 dBm
Resolution: 0.1 dB
Level Accuracy: ±0.5 dB
Latency:
4
160 ns±10 ns
Jitter:
≤
5 ns rms
External TTL Trigger
Input
High: >2.4 V
Low: <0.7 V
Latency:
4
90 ns±10 ns
Minimum trigger pulse width: 15 ns
Minimum trigger repetition period: 50 ns
Impedance: 50
Ω
Jitter:
≤
5 ns rms
External TTL Trigger
Output
Low to High transition on trigger event.
High: >2.4 V
Low: <0.7 V
Latency:
4
30 ns ±10 ns
Impedance: 50
Ω
Jitter:
≤
5 ns rms
Trigger Delay Delay range: ±1.0 s, maximum
Delay resolution: 1 % of delay setting
(10 ns maximum)
Trigger Hold-off Range: 1 µs to 400 ms
Resolution: 1 % of selected value
(to a minimum of 10 ns)
Trigger Level Threshold
Hysteresis
Range: ±3 dB
Resolution: 0.05 dB