220501 ⎘
Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Balance-unbalance or balance-balance networks using surface acoustic wave devices
Sub-classes:ACOUSTIC WAVE FILTER WITH LOW NOISE AMPLIFIER AND BALUN
#2Out-of-band rejection using saw-based integrated balun
#3WAFER LEVEL PACKAGE HAVING ENHANCED THERMAL DISSIPATION
#4Out-of-band rejection using saw-based integrated balun and a differential low noise amplifier
#5Out-of-band rejection using SAW-based integrated balun
#6Acoustic wave element and communication apparatus
#7Radio frequency switch apparatus with improved harmonic attenuation characteristics
#8Filter device
#9High frequency filter with phase compensating circuit
#10Filter device having a filter connection conductor line including parallel connected conductor lines
#11Electronic device including filter
#12Filter device and duplexer
#13Duplexer including a low-pass filter capacitor
#14Acoustic wave device
#15Duplexer and module including the same
#16Elastic-wave filter device
#17Method for manufacturing BAW resonators on a semiconductor wafer
#18High-frequency module having inductors disposed with directions of their polarities opposite to each other
#19High-frequency module
#20Filter module
#21Acoustic wave device and fabrication method of the same
#22Elastic wave apparatus
#23Wireless communication system using surface acoustic wave (SAW) second harmonic techniques
#24Filter, duplexer and communication module
#25Wireless communication system using surface acoustic wave (SAW) second harmonic techniques
#26Elastic wave device using SH waves as the principal component
#27METHOD FOR MANUFACTURING BAW RESONATORS ON A SEMICONDUCTOR WAFER
#28Device with an electroacoustic balun
#29Wireless communication system using surface acoustic wave (SAW) second harmonic techniques
#30High frequency device, filter, duplexer, communication module, and communication apparatus
#31Duplexer, module including a duplexer and communication apparatus
#32Filter, branching filter and communication apparatus
#33Duplexer
#34DMS filter with improved matching
#35ACOUSTIC WAVE FILTER APPARATUS AND DUPLEXER
#36Complex resonance circuit
#37Boundary acoustic wave filter
#38Saw filter featuring impedance transformation
#39Component comprising at least one filter that operates with acoustic waves
#40Frequency shunt
#41Filter device with balanced signal input and output terminals
#42Wireless communication system using surface acoustic wave (SAW) second harmonic techniques
#43Elastic wave filter device and duplexer
#44Resonator filter structure having equal resonance frequencies
#45Surface acoustic wave device
#46Balanced high-frequency device and balanced high-frequency circuit using the same
#47Surface acoustic wave filter and wireless device that employs the same
#48Symmetrically-operating reactance filter
#49Wireless communication system using surface acoustic wave (SAW) second harmonic techniques
#50Surface acoustic wave device with two split interdigital transducers connected by specified electrode structures