Endevco 2721B Charge Amplifier

Endevco 2721B Charge Amplifier
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Datasheet

Specifications:

  • Small unit for laboratory and field use
  • Front panel selectable filter
  • Dial-in sensitivity for set output in mVg
  • Input Type: Piezoelectric single-ended with one side connected to circuit common
  • Output Type: AC voltage, single-ended with one side connected to ground
  • Transfer Characteristics
    • High Sensitivity Transducers: 100 to 1100 pC/g range - 100, 300, 1k, 3k, 10k mV/g (green scale)
    • Medium Sensitivity Transducers: 10 to 110 pC/g range - 10, 30, 100, 300, 1k mV/g (red scale)
    • Low Sensitivity Transducers: 1 to 11 pC/g range - 1, 3, 10, 30, 100 mV/g (black scale)

Frequency Response
Maximum Frequency  
3 Hz > 100 k ohms
5 Hz 10 k ohms to 100 k ohms
50 Hz 1 k ohms to 10 k ohms

 

Upper Cutoff Frequency: 10 kHz

  • Lower Cutoff Frequency - the lower cutoff frequency is dependent on the input shunt resistance:
  • Power: This Signal Conditioner has been designed for use with the Endevco Model 4221A Power Supply.
    • Supply Voltage: ±15 VDC
    • Supply Current: ±7.5 mA DC
  • Connectors:
    • Input: Microdot type 10-32
    • Output: BNC type coaxial receptacle
    • Power: Terminal strip with three #2-56 screw terminals