Temperature compensation of acoustic resonators in the electrical domain

摘要

Embodiments of apparatuses, systems and methods relating to temperature compensation of acoustic resonators in the electrical domain are disclosed. Other embodiments may be described and claimed.

主权项

1. An apparatus comprising:
an acoustic resonator configured to convert energy between an acoustic wave form and an electrical form; and a capacitor configured to exhibit a negative temperature coefficient of capacitance, the capacitor coupled with the acoustic resonator and configured to at least partially compensate for temperature drift of a resonance frequency or an anti-resonance frequency of the acoustic resonator, wherein:
the capacitor has a high negative temperature coefficient of dielectric constant that is more negative than approximately −1,000 ppm/C, and a dielectric material that is composed primarily or solely of calcium titanate.