Surface Acoustic Wave Devices |
From inside the book
Results 1-3 of 28
Page 203
... insertion loss is composed of 3 dB of bidirectional loss , 1.2 dB of apodization loss , and 13.1 dB of mismatch loss . The mismatch loss can be eliminated with proper matching circuits but not much can be done about the other two ...
... insertion loss is composed of 3 dB of bidirectional loss , 1.2 dB of apodization loss , and 13.1 dB of mismatch loss . The mismatch loss can be eliminated with proper matching circuits but not much can be done about the other two ...
Page 207
... insertion loss is because half the power is reflected back . = 0.707 VSWR = 5.8 If high VSWRS are unacceptable , losses in the form of electrical resistance should be added to the IDT . Before we end this section on conjugate matching ...
... insertion loss is because half the power is reflected back . = 0.707 VSWR = 5.8 If high VSWRS are unacceptable , losses in the form of electrical resistance should be added to the IDT . Before we end this section on conjugate matching ...
Page 221
... insertion loss ( 10 dB / div ) ; ( b ) insertion loss ( 1 dB / div ) ; ( c ) phase ( 10 deg / div ) . References : loss , 24.27 dB ; phase , -147.65 ° ; delay , 1,296 μs ; center frequency , 70 MHz . impossible to correct in the ...
... insertion loss ( 10 dB / div ) ; ( b ) insertion loss ( 1 dB / div ) ; ( c ) phase ( 10 deg / div ) . References : loss , 24.27 dB ; phase , -147.65 ° ; delay , 1,296 μs ; center frequency , 70 MHz . impossible to correct in the ...
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
apodized IDT array factor attenuation bandpass filter Calculate capacitance center frequency characteristic impedance charge distribution components compressional wave Consider coupled csc kl current source delay line described direction discussed electric field electrodes equations equivalent circuit Figure Fourier transform frequency response IDT in Example impulse response input insertion loss interdigital transducer lithium niobate metallization ratio mmho negative Note number of electrodes output parameters particle displacement passband piezoelectric solid positive electrodes potential propagation radiation conductance reflection coefficient reflector resonator response function sampling SAW beam SAW devices Section shear shown in Fig sidelobe signal single electrode solid-electrode Solution split-electrode IDT strain stress strips subscripts substrate surface acoustic waves surface wave track transition bandwidth transmission line transmission matrix transmission-line transmitter transversal filter V₁ V₂ velocity vo(t voltage sequence wave amplitudes waveguides wavelength width zero Φι