NI PXI/PCI-5124 Specifications 18 ni.com
Time
Resolution
TDC Onboard Clock External Clock TDC = Time
toDigital
Conversion
Circuit
On 50 ps N/A
Off 5ns External Clock Period
Rearm Time TDC Rearm Time Holdoff set to 0
On 10 μs
Off 2μs
Holdoff TDC Onboard Clock External Clock —
On 10 μs to 85.899 s N/A
Off 2μs to 85.899s 200 × (External Clock
Period) to
(232 – 1) × (External Clock
Period)
Analog Trigger (Edge, Window, and Hysteresis Trigger Types)
Sources CH 0 (front panel BNC connector)
CH 1 (front panel BNC connector)
TRIG (front panel BNC connector)
—
Trigger Level
Range
CH 0, CH 1 TRIG (External Trigger) —
100% FS ±5V
Trigger Level
Resolution
10 bits (1 in 1,024) —
Edge Trigger
Sensitivity
CH 0, CH 1 TRIG (External Trigger) —
3.5% FS up to 50MH z,
increasing to 10% FS at
150 MHz
0.25 Vpk-pk up to 100MHz,
increasing to 1 Vpk-pk at
200 MHz
Level
Accuracy,
Typical
CH 0, CH 1 TRIG (External Trigger) —
±4.7% FS up to 10MHz ±0.35 V up to 10 MHz
Trigger
Jitter
≤80 ps rms Within ±5 °C of
self-calibration
temperature
Specification Value Comments