The antiresonant circuit comprises the first FBAR (11) and a parallel inductor (14).
A duplexer (1) with two band-pass filters (5, 6) comprising film bulk acoustic wave resonators (FBAR) (8, 9, 10, 11, 12, 13) has an extra antiresonant circuit in order to block the transmission signal.
The tank circuit, including the self-inductance of the capacitor, is preferably designed to also resonate at the second harmonic of the design frequency, to provide improved linearity.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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