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Low-loss low-ripple SAW filters using three bidirectional centrosymmetric transducers

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5 Author(s)
Yen, K.H. ; TRW Electronics Systems Group, Redondo Beach, USA ; Stokes, R.B. ; Lau, K.F. ; Kong, A.
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Low-loss, low-ripple and high out-of-band rejection SAW filters have been constructed using a three transducer configuration with symmetric/antisymmetric end transducers. The filter on 128°-cut LiNbO3 has an insertion loss of 5.2 dB, a passband ripple of 0.3 dB (peak to peak) and an out-of-band rejection of 55 dB.

Published in:

Electronics Letters  (Volume:18 ,  Issue: 10 )