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US 2022/0069800 A1Published application
Acoustic resonator filter
AssigneeSamsung Electro-Mechanics Co., Ltd.
InventorsSung HAN, Yoon Sok PARK, Tae Kyung LEE, Hwa Sun LEE
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Abstract
An acoustic resonator filter is provided. The acoustic resonator filter includes a rear filter electrically connected between a front port and a rear port, through which a radio frequency (RF) signal passes, the rear filter including at least one film bulk acoustic resonator (FBAR); and a front filter electrically connected between the front port and the rear filter and including at least one solidly mounted resonator (SMR).
Claims18
An acoustic resonator filter, comprising:
- a rear filter, electrically connected between a front port and a rear port, through which a radio frequency (RF) signal passes, the rear filter comprising at least one film bulk acoustic resonator (FBAR);
- and
- a front filter, electrically connected between the front port and the rear filter, and comprising at least one solidly mounted resonator (SMR).
An acoustic resonator filter, comprising:
- a front filter, connected between a front port and a rear port, and comprising at least one series solidly mounted resonator (SMR) and at least one shunt film bulk acoustic resonator (FBAR);
- and
- a rear filter, connected between the front filter and the rear port, and comprising at least one series FBAR and at least one shunt FBAR,
- wherein at least one series SMR is electrically connected in series with at least one series FBAR.
1 more element
Dependencies are inferred from the claim text.