Wilcoxon Sensing Technologies Charge Converter, Model CC701A
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Model CC701A Charge Converter

Brand: Wilcoxon Sensing Technologies
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The CC701A charge converter is a solid state, in-line device which converts the charge output of a high impedance piezoelectric vibration sensor to a low impedance voltage signal. It incorporates an overload-protection circuit and the low noise PIEZOFET® amplifier. The CC701A yields a strong signal, immune to cable motion noise, and is compatible with standard signal readout equipment such as monitors, voltmeters, analyzers, etc. Long cables can be driven without signal loss. 

The CC701A charge converter is powered by the constant current source of a Wilcoxon power unit/amplifier (models P702, P703B, P704B, PR710 or PR712) or it can be supplied from an external constant current supply of 18-30 Vdc, capable of delivering from 2-10 mA (a 4 mA constant current diode is recommended).
Features
  • Overload protection
  • Strong voltage signal
  • Immune to cable motion noise
  • Compatible with standard signal readout equipment

Specifications

Brand

Capacitance

  • Allowable Source Capacitance: Max. 6,000 pF
  • Electrical Noise, Nominal [Source Capacitance (Transducer + Cable)]: 1,000 PF

Circuit Protection

  • Overload Protection

Electrical Connectors

  • Signal Input: Microdot Connector 10-32
  • Signal Output: BNC Connector

Enclosure, Body Material

  • Stainless Steel

Frequency

  • Frequency Response (± 5 %): 10 to 25,000 Hz
  • Frequency Response (-3 dB): 2 Hz

Noise

  • Electrical Noise, Nominal (Broadband: 2.5 Hz to 25 kHz): 30 µV
  • Electrical Noise, Nominal (Spectral: 1,000 Hz): 0.2 µV/√Hz
  • Electrical Noise, Nominal (Spectral: 10 Hz): 4.0 µV/√Hz
  • Electrical Noise, Nominal (Spectral: 10,000 Hz): 0.06 µV/√Hz
  • Electrical Noise, Nominal (Spectral: 100 Hz): 0.6 µV/√Hz

Non-Linearity

  • < 1 %

Output Impedence

  • Output Impedance (Depending on Source Capacitance): 25 to 150 ohms

Power Requirement

  • 18-30 Vdc
  • 2-10 mA

Sensitivity

  • Sensitivity, ± 5 %: 10 mV/pC

Temperature Range

  • -40° to 100° C (-40° to 212° F)

Voltage

  • Bias Output Voltage, Nominal: 10 Vdc
  • Output Voltage, Max. 5 Vrms

Documentation

Data Sheets

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