## Surface acoustic wave devices |

### From inside the book

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Page 139

A

5.1); with proper design an MSC can be used to transfer a surface-wave beam

completely from one track to another (Ref. 5.1). Such a track changer finds a ...

A

**multistrip coupler**(MSC) consists of a periodic array of isolated electrodes (Fig.5.1); with proper design an MSC can be used to transfer a surface-wave beam

completely from one track to another (Ref. 5.1). Such a track changer finds a ...

Page 149

Note that the

coupler comes from the frequency dependence of a. From Eq. 5.10, P2(N) = Pi(0)

sin2^ where a = 0.64 Kl sin — — Example 5.2 Design a multistrip beam ...

Note that the

**multistrip coupler**is fairly broadband. The frequency response of thecoupler comes from the frequency dependence of a. From Eq. 5.10, P2(N) = Pi(0)

sin2^ where a = 0.64 Kl sin — — Example 5.2 Design a multistrip beam ...

Page 249

... 82 Multistrip beam compressor illustration of, 146

coupling of tracks by a single electrode, 141 definition, 139 design, 140 overall

coupler operation, 143-50 Multitrack nonperiodic couplers, 149-50 N Newton's

law, ...

... 82 Multistrip beam compressor illustration of, 146

**Multistrip coupler**, 139-50coupling of tracks by a single electrode, 141 definition, 139 design, 140 overall

coupler operation, 143-50 Multitrack nonperiodic couplers, 149-50 N Newton's

law, ...

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### Contents

Transversal Filters | 1 |

Transmission Lines and Plane Acoustic Waves | 30 |

Surface Acoustic Waves in Piezoelectric Solids | 68 |

Copyright | |

9 other sections not shown

### Common terms and phrases

apodized IDT apodized transducers array factor attenuation bandpass filter Calculate capacitance capacitor center frequency characteristic impedance charge distribution components compressional wave conjugate matching Consider coupling delay line described direction discussed effects electric field electrodes equations equivalent circuit Figure Fourier transform frequency response Hence IDT in Example impulse response input insertion loss interdigital transducer lithium niobate metallization ratio mmho multistrip coupler Note number of electrodes obtained output parameters particle displacement passband piezoelectric solid positive electrodes potential propagation quartz radiation conductance reflection coefficient reflectors resonator samples SAW beam SAW devices SAW of amplitude 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 tap weights track transition bandwidth transmission line transmission matrix transmission-line transmitter transversal filters two-port unapodized IDT velocity voltage sequence waveguides wavelength width Y-Z lithium niobate zero