Charge controller for synchronous linear operation of multiple piezoelectric ceramics
A piezoelectric ceramic and linear operation technology, applied in the field of piezoelectric actuator controllers and micro-displacement devices, can solve problems such as the inability to apply DC feedback networks, piezoelectric actuators without grounding configuration, etc., and achieve low-frequency performance Improvement, good synchronization, and the effect of reducing electrical noise
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[0015] The present invention will be further explained below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and not to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of this application.
[0016] Such as figure 2 As shown, a charge controller for synchronous linear operation of multiple piezoelectric ceramics provided by the present invention includes a preamplifier K1, an input resistor R1, an input capacitor C1, and a T-type resistor network (composed of resistors Rf1, Rf2, and Rf3). ), multiple piezoelectric actuators (Cp1, Cp2, Cp3,..., Cpn) and high-voltage power amplifier HVA.
[0017] The resistors Rf1, Rf2, Rf3 and R1...
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