JP2006295375A5 - - Google Patents
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- JP2006295375A5 JP2006295375A5 JP2005110867A JP2005110867A JP2006295375A5 JP 2006295375 A5 JP2006295375 A5 JP 2006295375A5 JP 2005110867 A JP2005110867 A JP 2005110867A JP 2005110867 A JP2005110867 A JP 2005110867A JP 2006295375 A5 JP2006295375 A5 JP 2006295375A5
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- coupler
- frequency
- line
- transmission
- 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.)
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- 230000005540 biological transmission Effects 0.000 claims 7
- 238000001514 detection method Methods 0.000 claims 4
- 230000001808 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 239000003990 capacitor Substances 0.000 claims 1
Claims (7)
- 第一と第二の周波数帯域を選択的に用いて無線通信を行うデュアルバンド無線装置に用いられ、電力増幅器の出力側に接続されたカプラにより高周波信号を導出して検波用ダイオードで前記第一と第二の周波数帯域の高周波電力を検波する検波器において、前記カプラの副線路と検波用ダイオードとの間に高調波低減回路を設けたことを特徴とする高周波回路。
- 第一と第二の周波数帯域を選択的に用いて無線通信を行うデュアルバンド無線装置に用いられ、電力増幅器の出力側に接続され前記第一および第二の周波数帯域の送信信号を合成するダイプレクサと、前記ダイプレクサの共通端子に接続されたカプラと、前記カプラの副線路の一端に接続され該カプラにより高周波信号を導出して検波用ダイオードで高周波電力を検波する検波器とからなり、前記カプラの副線路と検波用ダイオードとの間に高調波低減回路を設けたことを特徴とする高周波回路。
- 前記高調波低減回路は、１つ以上の伝送線路と、１つ以上の容量から構成されるローパスフィルタ回路またはノッチフィルタ回路、もしくは１つ以上の抵抗から構成されるアッテネータ回路のうち１種であることを特徴とする請求項１又は２に記載の高周波回路。
- 前記高調波低減回路は、前記副線路に直列に接続された抵抗一つで構成されたアッテネータであることを特徴とする請求項３に記載の高周波回路。
- 前記カプラの副線路と前記高調波低減回路との間に、カプラの結合線路に接続されたシャントインダクタ、あるいは前記シャントインダクタとカプラの結合線路と検波用ダイオードの間に接続された位相回路とからなる整合回路のうち少なくとも一方を設けたことを特徴とする請求項１〜４の何れかに記載の高周波回路。
- 送受信信号が入出力されるアンテナ端子と、送信信号が入力される送信端子と、受信信号が出力される受信端子とをそれぞれ少なくとも１つ以上有し、送受信信号の切換スイッチ回路を備え、前記送信端子と前記アンテナ端子の間には請求項１〜５の何れかに記載のカプラの主線路が接続されることを特徴とする高周波回路。
- 請求項１〜６の何れかに記載の高周波回路を用いたことを特徴とする通信装置。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005110867A JP2006295375A (ja) | 2005-04-07 | 2005-04-07 | 高周波回路及びこれを用いた通信装置 |
| EP06007063.8A EP1710925B1 (en) | 2005-04-07 | 2006-04-03 | Multi-band high-frequency circuit |
| US11/397,602 US7705692B2 (en) | 2005-04-07 | 2006-04-05 | High-frequency circuit and communications apparatus comprising same |
| CN200610073226XA CN1870555B (zh) | 2005-04-07 | 2006-04-05 | 高频电路和使用了该电路的通信装置 |
| TW095112080A TWI376889B (en) | 2005-04-07 | 2006-04-06 | High frequency circuit and communication device using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005110867A JP2006295375A (ja) | 2005-04-07 | 2005-04-07 | 高周波回路及びこれを用いた通信装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2006295375A JP2006295375A (ja) | 2006-10-26 |
| JP2006295375A5 true JP2006295375A5 (ja) | 2010-04-30 |
Family
ID=36570638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005110867A Pending JP2006295375A (ja) | 2005-04-07 | 2005-04-07 | 高周波回路及びこれを用いた通信装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7705692B2 (ja) |
| EP (1) | EP1710925B1 (ja) |
| JP (1) | JP2006295375A (ja) |
| CN (1) | CN1870555B (ja) |
| TW (1) | TWI376889B (ja) |
Families Citing this family (52)
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| US7535312B2 (en) | 2006-11-08 | 2009-05-19 | Paratek Microwave, Inc. | Adaptive impedance matching apparatus, system and method with improved dynamic range |
| US10715209B2 (en) * | 2006-11-18 | 2020-07-14 | RF Micron, Inc. | Computing device for processing environmental sensed conditions |
| US20090102579A1 (en) * | 2006-12-29 | 2009-04-23 | Broadcom Corporation | Frequency division coupling circuit and applications thereof |
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| US8072285B2 (en) | 2008-09-24 | 2011-12-06 | Paratek Microwave, Inc. | Methods for tuning an adaptive impedance matching network with a look-up table |
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| US9026062B2 (en) | 2009-10-10 | 2015-05-05 | Blackberry Limited | Method and apparatus for managing operations of a communication device |
| US20110117869A1 (en) | 2009-11-18 | 2011-05-19 | Ryan Woodings | Multiple band portable spectrum analyzer |
| US8803631B2 (en) | 2010-03-22 | 2014-08-12 | Blackberry Limited | Method and apparatus for adapting a variable impedance network |
| US8860525B2 (en) | 2010-04-20 | 2014-10-14 | Blackberry Limited | Method and apparatus for managing interference in a communication device |
| US9948348B2 (en) * | 2010-05-26 | 2018-04-17 | Skyworks Solutions, Inc. | High isolation switch with notch filter |
| US9379454B2 (en) | 2010-11-08 | 2016-06-28 | Blackberry Limited | Method and apparatus for tuning antennas in a communication device |
| US8659496B1 (en) * | 2010-11-24 | 2014-02-25 | R.A. Miller Industries, Inc. | Heat sink for a high power antenna |
| US8712340B2 (en) | 2011-02-18 | 2014-04-29 | Blackberry Limited | Method and apparatus for radio antenna frequency tuning |
| US8655286B2 (en) | 2011-02-25 | 2014-02-18 | Blackberry Limited | Method and apparatus for tuning a communication device |
| US8594584B2 (en) | 2011-05-16 | 2013-11-26 | Blackberry Limited | Method and apparatus for tuning a communication device |
| US8626083B2 (en) | 2011-05-16 | 2014-01-07 | Blackberry Limited | Method and apparatus for tuning a communication device |
| US20130027273A1 (en) | 2011-07-27 | 2013-01-31 | Tdk Corporation | Directional coupler and wireless communication device |
| EP2740221B1 (en) | 2011-08-05 | 2019-06-26 | BlackBerry Limited | Method and apparatus for band tuning in a communication device |
| US9065504B2 (en) * | 2011-10-28 | 2015-06-23 | Broadcom Corporation | Transmitter front end with programmable notch filter and methods for use therewith |
| US8948889B2 (en) | 2012-06-01 | 2015-02-03 | Blackberry Limited | Methods and apparatus for tuning circuit components of a communication device |
| US9853363B2 (en) | 2012-07-06 | 2017-12-26 | Blackberry Limited | Methods and apparatus to control mutual coupling between antennas |
| US9246223B2 (en) | 2012-07-17 | 2016-01-26 | Blackberry Limited | Antenna tuning for multiband operation |
| US9413066B2 (en) | 2012-07-19 | 2016-08-09 | Blackberry Limited | Method and apparatus for beam forming and antenna tuning in a communication device |
| US9350405B2 (en) | 2012-07-19 | 2016-05-24 | Blackberry Limited | Method and apparatus for antenna tuning and power consumption management in a communication device |
| US9362891B2 (en) | 2012-07-26 | 2016-06-07 | Blackberry Limited | Methods and apparatus for tuning a communication device |
| US9374113B2 (en) | 2012-12-21 | 2016-06-21 | Blackberry Limited | Method and apparatus for adjusting the timing of radio antenna tuning |
| US10404295B2 (en) | 2012-12-21 | 2019-09-03 | Blackberry Limited | Method and apparatus for adjusting the timing of radio antenna tuning |
| FR3004007A1 (fr) * | 2013-03-29 | 2014-10-03 | St Microelectronics Tours Sas | Coupleur large bande |
| US9276552B2 (en) * | 2013-09-26 | 2016-03-01 | Rf Micro Devices, Inc. | Output match directional coupler |
| CN104579407A (zh) * | 2013-10-28 | 2015-04-29 | 深圳富泰宏精密工业有限公司 | 无线通信装置 |
| US9438319B2 (en) | 2014-12-16 | 2016-09-06 | Blackberry Limited | Method and apparatus for antenna selection |
| CN106788309A (zh) * | 2015-11-20 | 2017-05-31 | 厦门宇臻集成电路科技有限公司 | 带wifi陷波器的功率放大器 |
| JP2018067752A (ja) * | 2016-10-17 | 2018-04-26 | 株式会社村田製作所 | 通信モジュール |
| KR102580883B1 (ko) * | 2019-01-03 | 2023-09-21 | 삼성전자주식회사 | 조정가능한 무선 주파수 회로, 제어 방법 및 이를 포함하는 전자 장치 |
| CN112636703B (zh) * | 2020-12-09 | 2022-08-30 | 中国电子科技集团公司第五十五研究所 | 一种双频段功率芯片电路结构 |
| CN112864555B (zh) * | 2021-01-25 | 2021-10-29 | 南通大学 | 均匀阻抗枝节加载的悬置带线腔体合路器 |
| CN113904082A (zh) * | 2021-09-17 | 2022-01-07 | 深圳飞骧科技股份有限公司 | 双微带线耦合器、功率放大器及相关设备和芯片 |
| CN113691277B (zh) * | 2021-09-26 | 2023-04-18 | 广东宽普科技有限公司 | 一种高频短波高抑制通信电路 |
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-
2005
- 2005-04-07 JP JP2005110867A patent/JP2006295375A/ja active Pending
-
2006
- 2006-04-03 EP EP06007063.8A patent/EP1710925B1/en active Active
- 2006-04-05 US US11/397,602 patent/US7705692B2/en not_active Expired - Fee Related
- 2006-04-05 CN CN200610073226XA patent/CN1870555B/zh not_active Expired - Fee Related
- 2006-04-06 TW TW095112080A patent/TWI376889B/zh not_active IP Right Cessation
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