 The Endevco Models 2680M1-XXX through 2680M7-XXX Charge
Amplifiers are 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
M1 through M7 defines the charge gain.
The -XXX describes the upper cutoff frequency (-5%). For
example, a -101 has a low pass filter which is flat up
to 100 Hz, a -502 has a low pass filter which is flat
up to 5000 Hz.
Features:
• For use with piezoelectric transducers
• Small, rugged, light weight
• Dual outputs, biased and unbiased
• Adjustable gain
• Optional low pass filter
Endevco Model 2680M1-M7
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