Model Explanation

PXI: Standard 3U PXI bus module, single slot, compatible with PXI/PXIe mixed slots.

5114: NI 5100 series number, representing 2 channels, 125 MHz bandwidth, 250 MS/s, 8 bits, PXI high-speed oscilloscope.

Component Number:

779466‑01: 8 MB / channel onboard memory

779466‑02: 64 MB / channel onboard memory

779466‑03: 256 MB / channel onboard memory

Technical Parameters (25℃, preheating 15 min)

Channels: 2 analog inputs, full channel synchronous sampling.

Resolution: 8 bits.

Sampling Rate: Real-time maximum 250 MS/s; Random interleaving maximum 5 GS/s.

Analog Bandwidth: 125 MHz (‑3 dB).

Input Voltage Range: 40 mVpp to 40 Vpp (multiple selectable levels).

Input Impedance: 50 Ω / 1 MΩ (software selectable).

Coupling Mode: AC / DC (per channel independently).

Onboard Memory: 8 MB / 64 MB / 256 MB (per channel, according to model).

Spurious Free Dynamic Range SFDR: Typical 60 dBc.

Triggering Mode: Edge, Window, Hold, Video, Digital Trigger; 40 ps timestamp; Pre-trigger / Post-trigger.

Clock: Internal 250 MHz; External 4–250 MHz sampling clock; Lockable PXI 10 MHz reference.

Power Consumption: Approximately 21.63 W.

Size / Weight: 3U single slot, approximately 450 g.

Environment: Operating 0–55℃; Storage -40–70℃; Humidity 10%–90% RH (no condensation).

Calibration: Recommended 2-year 1-time NIST traceable calibration; Supports self-calibration to compensate for temperature drift.

Interface and Communication Configuration

Front-end Interface

2×BNC: CH0–CH1 analog input NI.

1×BNC (TRIG): External analog trigger input NI.

1×SMB (CLK IN): External sampling clock input NI.

1×9-pin mini circular DIN (AUX I/O): Digital trigger I/O, PFI0/PFI1 NI.

Panel Indicator Lights

PWR (green): Power normal.

RUN (green): Active when collecting, flashes when waiting for trigger.

ERR (red): Over-temperature, over-current or configuration error.

Bus and Synchronization

PXI bus, supports PXI trigger bus, RTSI synchronization.

Multi-module synchronization phase error < 1 μs, scalable multi-channel synchronization acquisition.

Software Driver

NI‑SCOPE driver, supports LabVIEW, TestStand, Python, C#.

NI MAX: Device identification, self-check, configuration, calibration.

Companion: Soft front panel SFP, 50 + built-in measurement functions, signal processing library. Core function

2-channel synchronous high-speed acquisition: 250 MS/s real-time, 5 GS/s equivalent, capturing high-frequency transient signals.

125 MHz wideband input: covers high-frequency signals, suitable for RF, ultrasound, and communication testing.

Flexible input configuration: each channel with AC/DC coupling, 50 Ω/1 MΩ impedance, multiple voltage range options available.

Ultra-large deep storage: up to 256 MB per channel, supporting long-term high-frequency waveform recording.

Precise triggering and timestamp: multiple triggering modes, 40 ps timestamp, accurately capturing target events.

Multi-module synchronous expansion: PXI/RTSI synchronization, building a multi-channel phase-coherent acquisition system.

High-frequency signal analysis: supporting waveform display, FFT, power spectrum, transient analysis with the accompanying software. Applicable scenarios

Radar/Ultrasonic Testing: Pulse signals, echo signals, ultrasonic imaging signals acquisition.

Communication and RF: Baseband signals, modulation signals, RF transient signal observation.

Automotive Electronics: High-speed CAN/LIN buses, sensor transient signals, ECU waveform testing.

Research and Medical: Mass spectrometry, particle physics, ultrasonic medical imaging signal acquisition.

Industrial High-Frequency Monitoring: Frequency converters, power modules, voltage/current waveform monitoring of high-speed motors.

User and Maintenance Instructions

Installation and Power On

Power off installation, insert into single slot and fix; the chassis should be reliably grounded to prevent static electricity.

Power on preheating for 15 minutes, NI MAX self-check to confirm no hardware errors.

Keep the chassis ventilated during operation, environmental temperature ≤ 55℃, avoid blocking the fan.

Wiring and Operation

High-frequency signals use 50 Ω coaxial cables, tighten the BNC connector to reduce signal reflection NI.

High-frequency/Radio Frequency signals select 50 Ω impedance, low-frequency/high-voltage signals select 1 MΩ.

AC signals use AC coupling, DC/Slow-changing signals use DC coupling.

The trigger source should prefer the signal within the channel, set the appropriate trigger level to avoid false triggering.

Multiple modules can be used in synchronization by using the PXI trigger bus or RTSI to ensure phase consistency.

Maintenance and Calibration

Perform NIST traceable calibration once every 2 years; use internal self-calibration to compensate for temperature drift on a daily basis.

Regularly clean dust from BNC/SMB/DIN interfaces to keep them dry; add a dust cap for long-term inactivity NI.

The working environment should be free of condensation, humidity 10%–90% RH, and away from strong electromagnetic interference.

Do not input >±40 V voltage; do not plug in or unplug cables while powered on; avoid severe vibrations.