Advances in Microwave Acoustic Frequency Sources

Applications of SAW Devices in High Performance Instrumentation

“…[2] The lower end of this frequency range is of course set by the large size of the lower frequency devices, and the ready availability of quartz bulk resonators with higher Q and better temperature compensation and aging than SAW resonators. Above 2 GHz fabrication difficulties are formidable, in that the transducer [3] To elaborate briefly on the present prefence for SAW resonators we will next list some performance features of SAW resonators and some of the negative features of the alternative technologies that leave SAWS in the lead. See also [3].…”

“…Above 2 GHz fabrication difficulties are formidable, in that the transducer [3] To elaborate briefly on the present prefence for SAW resonators we will next list some performance features of SAW resonators and some of the negative features of the alternative technologies that leave SAWS in the lead. See also [3].…”

“…and harmonic composite resonators [3] offer the attraction of higher Q when fabricated on such low-loss materials as sapphire. However, it is too early to say what role they will come to play in instrumentation.…”

Applications of SAW resonators in high-performance instrumentation

“…In this range we find at the present time a unique set of advantages makes the SAWcontrolled oscillator the preferred choice for frequencycontrol applications. Alternative technologies include multiplied-up bulk crystal oscillators at lower frequencies; high-order harmonic mode bulk crystals; cavities; dielectric resonators; LC circuits; composite resonators [3]. To elaborate briefly on the present prefence for SAW resonators we will next list some performance features of SAW resonators and some of the negative features of the alternative technologies that leave SAWS in the lead.…”

“…To elaborate briefly on the present prefence for SAW resonators we will next list some performance features of SAW resonators and some of the negative features of the alternative technologies that leave SAWS in the lead. (See also [3].) The SAW resonator is small; it is based on well-developed IC-like fabrication processes that make it mass producible; it is exceptionally repeatable; and device performance is impressive.…”