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
