JP6849060B2 - 増幅器 - Google Patents
増幅器 Download PDFInfo
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- JP6849060B2 JP6849060B2 JP2019518682A JP2019518682A JP6849060B2 JP 6849060 B2 JP6849060 B2 JP 6849060B2 JP 2019518682 A JP2019518682 A JP 2019518682A JP 2019518682 A JP2019518682 A JP 2019518682A JP 6849060 B2 JP6849060 B2 JP 6849060B2
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- 239000002184 metal Substances 0.000 claims description 69
- 239000000758 substrate Substances 0.000 claims description 28
- 230000003071 parasitic effect Effects 0.000 description 15
- 230000002500 effect on skin Effects 0.000 description 10
- 230000003993 interaction Effects 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 2
- 230000009931 harmful effect Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Description
図1は、本発明の実施の形態1に係る増幅器10の断面図である。増幅器10は、パッケージ12を備えている。パッケージ12は、金属ベース部分12a、金属ベース部分12aの上に設けられた側壁部分12b、および側壁部分12bの上に設けられたふた部分12cを備えている。パッケージ12に端子13と端子14が固定されている。
図6は、実施の形態2に係る増幅器30の内部の平面図である。整合基板20、24の表面にはメタルパターン20b、24bが形成されている。メタルパターン20b、24bの幅はゲートパッド22aの幅およびドレインパッド22bの幅より大きい。ゲートパッド22aの幅というのは複数のゲートパッド22a全体の幅という意味である。ゲートパッド22aの幅とドレインパッド22bの幅はほぼ等しい。
Claims (8)
- 複数のトランジスタセルと、ゲートパッドと、ドレインパッドを有するトランジスタチップと、
表面にメタルパターンが形成された整合基板と、
前記トランジスタチップの幅及び前記整合基板の幅より幅が大きい端子と、
前記端子の前記整合基板と対向する部分と前記メタルパターンを接続する複数の端子ワイヤと、
前記メタルパターンと前記トランジスタチップを接続する複数のチップワイヤと、を備え、
前記トランジスタチップと前記整合基板と前記端子は、これらの幅方向と垂直方向に並び、
複数の前記端子ワイヤの前記端子に接続された部分のワイヤ間距離よりも、複数の前記端子ワイヤの前記メタルパターンに接続された部分のワイヤ間距離が大きく、
複数の前記端子ワイヤは端に近いワイヤほどワイヤ長が長いことを特徴とする増幅器。 - 前記整合基板は、入力整合基板と、出力整合基板とを有し、
前記端子は、入力端子と、出力端子とを有し、
複数の前記端子ワイヤは、前記入力端子と前記入力整合基板を接続する複数の第1ワイヤと、前記出力整合基板と前記出力端子を接続する複数の第4ワイヤとを有し、
複数の前記チップワイヤは、前記入力整合基板と前記トランジスタチップを接続する複数の第2ワイヤと、前記トランジスタチップと前記出力整合基板を接続する複数の第3ワイヤと、を有することを特徴とする請求項1に記載の増幅器。 - 複数の前記端子ワイヤは非平行に設けられたことを特徴とする請求項1に記載の増幅器。
- 複数の前記端子ワイヤと前記端子との接続点は、前記端子の幅をXaとしたとき、前記端子の幅方向の一端から前記端子の幅方向の他端へXa/4進んだ場所と、前記他端から前記一端へXa/4進んだ場所との間だけにあることを特徴とする請求項1〜3のいずれか1項に記載の増幅器。
- 複数のトランジスタセルと、ゲートパッドと、ドレインパッドを有するトランジスタチップと、
表面にメタルパターンが形成され、前記メタルパターンの幅は前記ゲートパッドの幅又は前記ドレインパッドの幅より大きい整合基板と、
端子と、
前記端子と前記メタルパターンを接続する複数の端子ワイヤと、
前記メタルパターンの前記トランジスタチップと対向する部分と前記トランジスタチップを接続する複数のチップワイヤと、を備え、
前記トランジスタチップと前記整合基板と前記端子は、これらの幅方向と垂直方向に並び、
複数の前記チップワイヤの前記メタルパターンに接続された部分のワイヤ間距離よりも、複数の前記チップワイヤの前記トランジスタチップに接続された部分のワイヤ間距離が大きく、
複数の前記チップワイヤは端に近いワイヤほどワイヤ長が長いことを特徴とする増幅器。 - 前記整合基板は、入力整合基板と、出力整合基板とを有し、
前記端子は、入力端子と、出力端子とを有し、
複数の前記端子ワイヤは、前記入力端子と前記入力整合基板を接続する複数の第1ワイヤと、前記出力整合基板と前記出力端子を接続する複数の第4ワイヤとを有し、
複数の前記チップワイヤは、前記入力整合基板と前記トランジスタチップを接続する複数の第2ワイヤと、前記トランジスタチップと前記出力整合基板を接続する複数の第3ワイヤと、を有することを特徴とする請求項5に記載の増幅器。 - 複数の前記チップワイヤは非平行に設けられたことを特徴とする請求項5に記載の増幅器。
- 複数の前記チップワイヤと前記メタルパターンとの接続点は、前記メタルパターンの幅をXbとしたとき、前記メタルパターンの幅方向の一端から前記メタルパターンの幅方向の他端へXb/4進んだ場所と、前記他端から前記一端へXb/4進んだ場所との間だけにあることを特徴とする請求項5〜7のいずれか1項に記載の増幅器。
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