Electronic components
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- TDK CORP
- Filing Date
- 2024-12-02
- Publication Date
- 2026-06-12
AI Technical Summary
【0009】 本発明の電子部品では、第1の本体は、入力ポートと、出力ポートと、回路構成上入力ポートと出力ポートとの間に設けられると共に、ローパスフィルタとハイパスフィルタとを含む第1の回路部分とを含んでいる。弾性波素子は、回路構成上第1の回路部分と出力ポートとの間に設けられている。これにより、本発明によれば、弾性波素子に起因する問題の発生を抑制できる電子部品を実現することが可能になるという効果を奏する。
Smart Images

Figure 2026095884000001_ABST
Abstract
Claims
[Claim 1] The first main body, The first body is mounted on a second body which includes an elastic wave element, The first main body includes an input port, an output port, and a first circuit portion provided between the input port and the output port in the circuit configuration, and including a low-pass filter and a high-pass filter. The elastic wave element is an electronic component characterized in that, in terms of circuit configuration, it is provided between the first circuit portion and the output port. [Claim 2] The aforementioned input port is a port for connecting to an antenna. The electronic component according to claim 1, characterized in that the output port is a port for connecting to at least one of a transmitting circuit for processing a transmitted signal and a receiving circuit for processing a received signal. [Claim 3] The electronic component according to claim 1, characterized in that the low-pass filter is provided between the input port and the high-pass filter in the circuit configuration. [Claim 4] The electronic component according to claim 1, characterized in that at least one of the low-pass filter and the high-pass filter is of order 3 or higher. [Claim 5] Furthermore, it comprises a second circuit portion including the elastic wave element, The electronic component according to claim 1, characterized in that the passband of the second circuit portion includes frequencies 1.5 to 3 times the cutoff frequency of the high-pass filter. [Claim 6] The electronic component according to claim 1, characterized in that the elastic wave element is provided in a path connecting the input port and the output port. [Claim 7] The first main body further includes a capacitor, The electronic component according to claim 6, characterized in that the capacitor is connected in parallel with the elastic wave element. [Claim 8] The electronic component according to claim 6, characterized in that no other elastic wave elements other than the elastic wave element are provided in the path connecting the input port and the output port. [Claim 9] The electronic component according to claim 1, characterized in that the elastic wave element is provided between the path connecting the input port and the output port and ground in the circuit configuration. [Claim 10] The first main body further includes a capacitor, The electronic component according to claim 9, characterized in that the capacitor is provided between the elastic wave element and the ground in the circuit configuration. [Claim 11] The first main body further includes an LC parallel circuit in which an inductor and a capacitor are connected in parallel with each other. The electronic component according to claim 9, characterized in that the LC parallel circuit is provided between the elastic wave element and the ground in terms of the circuit configuration. [Claim 12] The electronic component according to claim 9, characterized in that, in terms of circuit configuration, no other elastic wave elements other than the elastic wave element are provided between the path connecting the input port and the output port and the ground.