Facilities

Electromagnetic in-field test system



Specs

  • Measure: S, refraction angle, phase offset
  • Frequency range: 10MHz ~20GHz
  • 123 dB dynamic range & 0.006 dB trace noise
  • Measure speed: 26 ms/point, 32 channel, 16001 points
  • Support TRL/LRM calibration, and measurement for crystal, waveguide, antenna
  • Mixer transfer loss, echo loss, insulation and absolute group delay.

Functionality

  • Transmit and receive EM wave. Measure amplitudes and phases of single/dual port network. Measure EM reflection, transmission, screening quality of materials. Measure EM field distribution.

Brüel&Kjær Tube type 4206T acoustic test system



Specs

  • Impedance tube, model: 4206T.
  • Software: PULSE 7700.
  • Data acquisition and signal generator: 3560C.
  • Power amplifier: 2716C.
  • Microphone: 4187, Preamplifier: 2670.
  • Calibrator: 4231.
  • Operating power: 10W~50W, Empty field loss: 50Hz-4kHz [4%] 5kHz-6.3kHz [10%]
  • Large tube: length-700mm, internal diameter-100mm, measurement range-50Hz~1.6kHz.
  • Small tube: length-850mm, internal diameter-29mm, measurement range-500Hz~6.4kHz

Functionality

  • Measure sound absorption ratio, reflection ratio and transmission ratio. Normalize impedance and admittance.

Ultrapac System ultrasonic nondestructive inspection system



Specs

  • Ultrasonic pulse acquisition card combining transmitting and receiving functionality. (Bandwidth up to 30MHz, 12 digits precision).
  • Multi axes motion controller with position coder and power amplifier.
  • CNC machine drives multi DOF scanning system with sweeping speed up to 500mm/s and high precision (up to 0.05mm)
  • Integrated software capable of sweeping surface, analyzing destruction, imaging and evaluating the result.

Functionality

  • Nondestructive test for parts

MakerBot Replicator 2X 3D Printer



Specs

  • Environment temperature: 15°C ~ 32°C, Reserving: 0°C ~ 32°C.
  • AC input: 100 ~240V, 50 ~60 Hz. Connectivity: USB, Micro SD
  • Platform: Black anodized 356F aluminum. Printing technology: Fused Deposition Modelling (FDM) Positioning accuracy: X-Y plane 11um, Z axis 2.5 um. Nozzle diameter: 0.4mm
  • Software: MakerWare. Supported file type: .stl, .obj, .thing.

Functionality

  • Prototyping products and making small parts

Flexible structure vibration test system



Specs

  • NI motion control system: motion controller, driver, motor, coder
  • Motion controller NI-7342: An integrated 32 bit CPU, a DSP and a customizable logic gate array. Running up to 10 programs simultaneously. Able to control 2 axes motion at the same time.

Functionality

  • NI PCI-4461 acquisition card: Dynamic measurement range-118dB. Resolution-24 bit. Maximum sampling rate and refreshing rate: 204.8kS/s. Support 2 port analogue input and output. Maximum input voltage: ±42.4V. Maximum output voltage: ±10V.
  • Software: LabVIEW program
  • Study on vibration control of continuous and discrete system.

LeCroy Wavepro 7200A oscilloscope



Specs

  • Bandwidth: 2 GHz. Channel quantity: 4. Risetime: 225ps.
  • Max recording length: 48 M points in 2 channels, 24 M points in 1 channel.
  • Resampling speed: 200 GS/s. Single time sampling speed: 20 GS/s (2 channels), 10 GS/s (4 channels).
  • Bandwidth limit: 25 MHz-200 MHz. Vibrating background noise: 1 ps RMS.
  • Input impedance: 50 ohm (+/-1.50%), 1M ohm (+/-1.25%).
  • Sensitivity: 1M ohm-2mV~2V/div, 50 ohm-2mV~1V/div.
  • Max input voltage: 50 ohm-5V RMS, 1M ohm-100V MAX (DC-10kHz).

Functionality

  • Viewing wave curve of signals. Analyzing voltage, current, frequency, phase difference and amplitude.

2D Acoustic field scanning system



Specs

  • System components: sounding device, scanning platform, controlling device, acquisition installation.
  • Scale of platform: 700mm *700mm
  • Scanning range: 500Hz ~ 5000Hz

Functionality

  • Measurement for acoustic wave amplitude and phase in far field of acoustic metamaterial.

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