Endevco 2680M4-103 Accelerometer/Airborne Charge Amplifier

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The Endevco 2680M4-103 Charge Amplifier is designed for use with piezoelectric transducers and are suitable for airborne applications. Hybrid microcircuit construction results in small size, ruggedness and low power consumption. The airborne charge amplifiers have an output voltage proportional to the input charge. As a result, the amplifier sensitivity is not appreciably affected by the capacitance of the input cable.

The use of modular construction techniques permits great versatility in gain and filter choices. This unit has two outputs, a biased output and an unbiased output. Both outputs are adjustable with a common gain control. The M4 defines the charge gain. The 103 describes the upper cutoff frequency (-5% point), meaning it has a low pass filter which is flat up to 10,000 Hz.