PVDF piezoelectric film kit charge amplifier module | Cable Winder

PVDF piezoelectric film kit charge amplifier module | Cable Winder

PVDF Suites include：

PVDFSensor A

The pre-amplifier board A

PVDFThe sensor is connected to the front amplifier board with a DuPont plug，

Definition of three-core terminal of front amplifier board：

Power supplyVCC+:+7V ----- +9V；

GND：Power supplyThe ground level；

OUT+:The output of the signal terminal。

Definition of two-core terminal of front amplifier board：

IN+:Pick upPVDFSensor positive；

GND：Pick upPVDFThe sensor to the negative terminal of；（IfPVDFNo other circuits connected or other，These two terminals can be connected random combination the two-core terminal of the front amplifier board）。

Adjustable resistor close to sensor on front amplifier board can adjust amplification factor，Dynamic range is about1000Times。The adjustable resistor near the output can be power frequency Wave trap quality factor，To adapt to different power frequency。

Kit output without vibration0Level，When there is vibration, output positive and negative fluctuation level signal，When the video displays the minimum magnification，Pencil tapPVDFThe output waveform of。

When the kit is saturated, the output level is about positive or negative power supply level，For example5vPower supply，Output is saturated at approximately plus or minus4.7vClipping。

The kit is vulnerable to external electromagnetic noise，In use need to consider away from interference sources。

This kit has made power frequency noise notch in the front amplifier board，A certain degree of power line interference can be eliminated。

The signal frequency band of this kit is about 0.3Hz-50KHz。

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