Acoustic surface transverse wave resonant filter

The invention discloses an acoustic surface transverse wave resonant filter comprising a piezoelectric quartz substrate, wherein a first reflector, a first transducer, an intermediate short circuit gate, a second transducer and a second reflector are sequentially arranged on the piezoelectric quartz substrate in a comb shape to serve as a topological structure of the piezoelectric quartz substrate, a first electrode and a second electrode are respectively arranged at two ends of the first transducer, a third electrode and a fourth electrode are respectively arranged at two ends of the second transducer, the finger-shaped strip widths of the first reflector and the second reflector are greater than the width of a gap between finger-shaped strips, the finger-shaped strip width of the intermediate short circuit gate is equal to the width of the gap between the finger-shaped strips, and the finger-shaped strip widths of the first transducer and the second transducer are equal to the widthof the gap between the fi