Custom Gain & Filtering

Standard, Custom

IEPE Power Supply

$299

The ASC-1401-SAL Integrated Electronics Piezo-Electric (IEPE) Power Supply provides an excitation for piezoelectric sensors, or other Constant Current Power (CCP) devices / sensors that require a constant current excitation. This portable, rechargeable battery powered device’s flat frequency response provides true, source-accurate broadband data. Both passive and active coupling versions are available. Active versions with filtering and amplification condition the signal to drive data acquisition systems. The excitation current is adjustable from 1 mA to 15 mA: in 1 mA steps.

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SKU: ASC-1401-SAL Category: Tag:

The ASC-1401-SAL Integrated Electronics Piezo-Electric (IEPE) Power Supply provides an excitation for piezoelectric sensors, or other Constant Current Power (CCP) devices / sensors that require a constant current excitation. This portable, rechargeable battery powered device’s flat frequency response provides true, source-accurate broadband data. Both passive and active coupling versions are available. Active versions with filtering and amplification condition the signal to drive data acquisition systems. The excitation current is adjustable from 1 mA to 15 mA: in 1 mA steps.

The standard version is a passive system, but custom options are available with gain, 50 Ω line driving, and low / high pass filtering (all filtering options specified at 0.1 dB). A-Weighted filtering is also available. Please contact IC2 to discuss your custom requirements.

  • Adjustable Excitation Current: 1-15 mA
  • Large Bandwidth: 0.06 Hz – >1 MHz
  • Low Noise Operation: 70 nV/√Hz
  • Short/Open Circuit Detection
  • Overload Detection
  • Compact design and battery operation suitable for laboratory and field testing
  Test Conditions MIN TYP MAX UNIT
Frequency Response
    Bandwidth (±3 dB) RL=2.7 kΩ, Exc = 4 mA 0.06 >1M Hz
RL=1.2 kΩ, Exc = 10 mA 0.07 >1M Hz
RL=680 Ω, Exc = 15 mA 0.09 1M Hz
    Bandwidth (± 1 dB) RL=2.7 kΩ, Exc = 4 mA 0.11 >1M Hz
RL=1.2 kΩ, Exc = 10 mA 0.13 >1M Hz
RL=680 Ω, Exc = 15 mA 0.15 800k Hz
Impedance
    Passive AC Coupling Circuit

Impedance (see Figure 2‑1)

100 || 47 kΩ || µF
Signal
    Excitation Current 1 15 mA
    Input Compliance Voltage 3.11 28.8 V
    Output Voltage Range -7 7 VP
Noise
    Input Voltage Noise f = 0 to 1 kHz 120 µVRMS
    Input Voltage Noise Density f = 10 kHz 0.07 µV/
    Input Voltage Noise Density f = 100 kHz 0.07 µV/
THD
    THD + N Ratio f = 1 kHz, Vin = 100 mVPP 0.01 %

 

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