JP2008277882A5 - - Google Patents
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- Publication number
- JP2008277882A5 JP2008277882A5 JP2007115597A JP2007115597A JP2008277882A5 JP 2008277882 A5 JP2008277882 A5 JP 2008277882A5 JP 2007115597 A JP2007115597 A JP 2007115597A JP 2007115597 A JP2007115597 A JP 2007115597A JP 2008277882 A5 JP2008277882 A5 JP 2008277882A5
- Authority
- JP
- Japan
- Prior art keywords
- impedance
- circuit
- signal
- node
- amplifier circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 claims description 8
- 239000004065 semiconductor Substances 0.000 claims description 4
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 28
- 230000000694 effects Effects 0.000 description 10
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 1
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007115597A JP2008277882A (ja) | 2007-04-25 | 2007-04-25 | 増幅回路および無線通信装置 |
| US12/109,596 US7667541B2 (en) | 2007-04-25 | 2008-04-25 | Amplifier circuit and wireless communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007115597A JP2008277882A (ja) | 2007-04-25 | 2007-04-25 | 増幅回路および無線通信装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2008277882A JP2008277882A (ja) | 2008-11-13 |
| JP2008277882A5 true JP2008277882A5 (https=) | 2010-03-11 |
Family
ID=39886229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007115597A Pending JP2008277882A (ja) | 2007-04-25 | 2007-04-25 | 増幅回路および無線通信装置 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US7667541B2 (https=) |
| JP (1) | JP2008277882A (https=) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7944290B2 (en) * | 2009-01-26 | 2011-05-17 | Sumitomo Electric Industries, Ltd. | Trans-impedance amplifier |
| US10666212B2 (en) | 2016-03-31 | 2020-05-26 | Nippon Telegraph And Telephone Corporation | Driver circuit and optical transmitter |
| WO2018039486A1 (en) * | 2016-08-24 | 2018-03-01 | Witricity Corporation | Wireless power transfer systems having interleaved rectifiers |
| US10924075B2 (en) * | 2018-06-04 | 2021-02-16 | Analog Devices, Inc. | Variable gain amplifiers with output phase invariance |
| KR102714685B1 (ko) | 2018-11-30 | 2024-10-11 | 위트리시티 코포레이션 | 고전력 무선 전력 시스템에서의 저전력 여기를 위한 시스템 및 방법 |
| US11489332B2 (en) | 2019-05-24 | 2022-11-01 | Witricity Corporation | Protection circuits for wireless power receivers |
| EP4022739A1 (en) | 2019-08-26 | 2022-07-06 | Witricity Corporation | Control of active rectification in wireless power systems |
| CN114982092A (zh) | 2020-01-23 | 2022-08-30 | 韦特里西提公司 | 用于无线功率系统的可调电抗电路 |
| US11909198B2 (en) | 2020-01-29 | 2024-02-20 | Witricity Corporation | Gate driver implementations for safe wireless power system operation |
| US11631999B2 (en) | 2020-03-06 | 2023-04-18 | Witricity Corporation | Active rectification in wireless power systems |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5999056A (en) * | 1998-06-30 | 1999-12-07 | Philips Electronics North Amercia Corporation | Variable gain amplifier using impedance network |
| US6392487B1 (en) * | 2000-08-02 | 2002-05-21 | Rf Micro Devices, Inc | Variable gain amplifier |
| JP4220694B2 (ja) * | 2001-03-27 | 2009-02-04 | パナソニック株式会社 | 高周波可変利得増幅装置 |
| FR2823031B1 (fr) * | 2001-03-27 | 2003-07-04 | St Microelectronics Sa | Dispositif amplificateur a commutation de gain, en particulier pour un telephone mobile cellulaire |
| US6424222B1 (en) * | 2001-03-29 | 2002-07-23 | Gct Semiconductor, Inc. | Variable gain low noise amplifier for a wireless terminal |
| US6801089B2 (en) * | 2001-05-04 | 2004-10-05 | Sequoia Communications | Continuous variable-gain low-noise amplifier |
| JP2002335187A (ja) * | 2001-05-10 | 2002-11-22 | Matsushita Electric Ind Co Ltd | 無線通信機 |
| JP2002344266A (ja) * | 2001-05-18 | 2002-11-29 | Matsushita Electric Ind Co Ltd | 可変利得増幅器 |
-
2007
- 2007-04-25 JP JP2007115597A patent/JP2008277882A/ja active Pending
-
2008
- 2008-04-25 US US12/109,596 patent/US7667541B2/en not_active Expired - Fee Related
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