Model Nomenclature

• PXIe: PXI Express high‑speed modular instrumentation bus

• 46: Dynamic Signal Analysis (DSA) power amplifier series

• 10: 2‑channel, ±14 V/±2.2 A, low distortion, PXIe single‑slot amplifier

Technical Specifications

• Form factor: 3U single‑slot PXIe module

• Channels: 2 independent differential amplifier channels

• Gain: 20 dB (fixed, ±0.031 dB unadjusted, ±0.011 dB adjusted)

• Input: AC‑coupled differential, ±1.414 Vpk (1 Vrms full‑scale), 10 kΩ || 100 pF impedance

• Output: DC‑coupled differential, ±14.14 Vpk (10 Vrms full‑scale)

• Peak current: ±2.235 A (1.581 A rms) per channel

• Slew rate: ±15 V/μs (voltage), ±0.5 A/μs (current)

• Frequency response: 10 Hz to 100 kHz (±0.5 dB)

• Total harmonic distortion (THD): <0.005% (1 kHz, 1 W into 8 Ω)

• Noise: <10 μVrms (20 Hz–20 kHz, A‑weighted)

• Offset drift: 50 μV/°C

• Protection: Overvoltage, overcurrent, short‑circuit, overtemperature

• Operating temperature: 0 °C to 55 °C

• Storage temperature: −40 °C to 70 °C

• Connectors: Front‑panel BNC (input), screw terminals (output)

• Weight: approx. 200 g (7.1 oz)

Interface and Communication Configuration

• Bus: PXIe Gen1, plug‑and‑play compatible with PXI/PXIe chassis

• Driver: NI‑DAQmx 19.0 or later

• Software: NI‑MAX, LabVIEW, C/C++, Python, .NET; full API for configuration and control

• Triggering: PXI trigger lines 0–7; synchronized with other PXIe DSA modules (e.g., 446x, 447x)

• I/O: 2×BNC (differential input), 4×screw terminals (differential output, force/sense)

• Data transfer: DMA for high‑speed streaming of amplifier status and telemetry

Core Features

• Low distortion & low noise: <0.005% THD and <10 μVrms noise for high‑fidelity signal amplification

• High power density: 2 channels of ±14 V/±2.2 A from a single PXIe slot, no external amp required

• Differential I/O: AC‑coupled differential input, DC‑coupled differential output for noise rejection

• Fixed gain (20 dB): Precision gain with tight accuracy for consistent amplification

• Built‑in protection: OVP, OCP, short‑circuit, and overtemperature safeguards for DUT and module

• PXIe synchronization: Tight timing alignment with other PXIe instruments for closed‑loop testing

Application Scenarios

• Audio testing: Speaker, headphone, and audio component characterization (frequency response, distortion)

• Vibration testing: Shaker and transducer driving for modal analysis and structural testing

• Automotive: In‑car audio, infotainment, and NVH (noise, vibration, harshness) validation

• Aerospace: Avionics audio, vibration, and environmental simulation testing

• Industrial: Dynamic load testing, actuator driving, and precision signal amplification in manufacturing

Usage and Maintenance Instructions

Installation

Operation

Maintenance