Surface Acoustic Wave Devices |
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Page 26
... frequency . A widely used algorithm is one developed by Remez and extended by McClellan et al . ( Ref . 1.2 ) . It ... center frequency of 100 MHz and a transition bandwidth of 1 MHz . We wish to transform it to time domain to determine ...
... frequency . A widely used algorithm is one developed by Remez and extended by McClellan et al . ( Ref . 1.2 ) . It ... center frequency of 100 MHz and a transition bandwidth of 1 MHz . We wish to transform it to time domain to determine ...
Page 118
... center frequency . Assume that ʼn = 0.5 . The fundamental center frequency is the same as that for unapodized solid - electrode IDTS . Is Solution vo = 3500 m / s 20 = 4.5 Ω ( Table 3.2 ) νο center frequency = fo = = 500 MHz 2p At f ...
... center frequency . Assume that ʼn = 0.5 . The fundamental center frequency is the same as that for unapodized solid - electrode IDTS . Is Solution vo = 3500 m / s 20 = 4.5 Ω ( Table 3.2 ) νο center frequency = fo = = 500 MHz 2p At f ...
Page 207
... center frequency . What will be the VSWR in the transmission line connecting the device to the generator ( a ) at center frequency ; ( b ) at a frequency where the insertion loss is 3 dB higher ? Solution ( a ) Since the IDT is ...
... center frequency . What will be the VSWR in the transmission line connecting the device to the generator ( a ) at center frequency ; ( b ) at a frequency where the insertion loss is 3 dB higher ? Solution ( a ) Since the IDT is ...
Contents
Transmission Lines and Plane Acoustic Waves | 29 |
Surface Acoustic Waves in Piezoelectric Solids | 68 |
SAW Device Components | 84 |
Copyright | |
6 other sections not shown
Common terms and phrases
acoustic waves admittance amplitude apodized IDT array factor assume bandwidth beam Calculate capacitance center frequency Chapter characteristic charge circuit coefficient components compressional conductance Consider constant coupled defined delay depends derivation described determined devices direction discussed distribution effects electric field electrodes equal equations equivalent Example expect fields Figure filter Fourier transform frequency response function given gives Hence impedance impulse response incident induced input interdigital transducer layer length loss material matrix negative Note obtained output particle passband periodic phase piezoelectric plane positive potential produces propagation receiver reflection reflectors requires resonator response function result sampling shift shown in Fig shows signal simple solid Solution spacing strain stress strips substrate surface wave Table track transducer transfer transmission line usually velocity voltage width