公开(公告)号：US20130229233A1

公开(公告)日：2013-09-05

申请号：US13502387

申请日：2011-10-27

申请人： Bin Duan ,  Xiaojun Cui ,  Huazhang Chen ,  Jianli Liu

发明人： Bin Duan ,  Xiaojun Cui ,  Huazhang Chen ,  Jianli Liu

IPC分类号： H03F3/68

CPC分类号： H03F3/68 ,  H03F1/0288 ,  H03F3/602 ,  H03F3/604 ,  H03F2200/405

摘要： A Doherty power amplifier apparatus and power amplification method are disclosed in the present invention. The apparatus includes a main power amplifier apparatus and an auxiliary power amplifier apparatus, and the main power amplifier apparatus is configured to adopt a High Voltage Heterojunction Bipolar Transistor (HVHBT) device to amplify signal power, and the auxiliary power amplifier apparatus is configured to adopt a High Electron Mobility Transistor (HEMT) device to amplify signal power. A power amplification efficiency of a whole Doherty power amplifier will be enhanced substantially according to the present invention.

摘要翻译： 本发明公开了一种Doherty功率放大器装置和功率放大方法。 该装置包括主功率放大器装置和辅助功率放大装置，主功率放大装置构成为采用高电压异质结双极晶体管（HVHBT）装置放大信号功率，辅助功率放大装置采用 一种用于放大信号功率的高电子迁移率晶体管（HEMT）器件。 根据本发明，将大大提高整个Doherty功率放大器的功率放大效率。

公开(公告)号：US08773205B2

公开(公告)日：2014-07-08

申请号：US13513788

申请日：2011-10-27

申请人： Huazhang Chen ,  Jianli Liu ,  Xiaojun Cui ,  Bin Duan

发明人： Huazhang Chen ,  Jianli Liu ,  Xiaojun Cui ,  Bin Duan

IPC分类号： H03F3/68

CPC分类号： H03F3/211 ,  H03F1/0277 ,  H03F1/0288 ,  H03F3/195 ,  H03F3/245 ,  H03F3/72 ,  H03F2200/405 ,  H03F2200/507 ,  H03F2203/21106 ,  H03F2203/21142 ,  H03F2203/21196 ,  H03F2203/7206 ,  H03F2203/7236

摘要： The present invention discloses a Doherty power amplifier and an implementation method thereof. A peak amplifying circuit of the Doherty power amplifier comprises a radio frequency switching circuit configured to control turn-on of the peak amplifying circuit; wherein a last stage carrier amplifier of a carrier amplifying circuit of the power amplifier uses a HVHBT device, and a last stage peak amplifier of the peak amplifying circuit of the power amplifier uses a GaN device. The present invention avoids the shortcoming when the peak branches in the Doherty power amplifier are turned on ahead of time, decreases power consumption of the peak amplifier and improves the batch efficiency of the whole Doherty power amplifier.

摘要翻译： 本发明公开了一种Doherty功率放大器及其实现方法。 Doherty功率放大器的峰值放大电路包括：射频切换电路，被配置为控制峰值放大电路的导通; 其中功率放大器的载波放大电路的最后级载波放大器使用HVHBT器件，功率放大器的峰值放大电路的最后级峰值放大器使用GaN器件。 本发明避免了Doherty功率放大器中的峰值分支提前启动的缺点，降低了峰值放大器的功耗，并提高了整体Doherty功率放大器的批量效率。

公开(公告)号：US20140035676A1

公开(公告)日：2014-02-06

申请号：US13513788

申请日：2011-10-27

申请人： Huazhang Chen ,  Jianli Liu ,  Xiaojun Cui ,  Bin Duan

发明人： Huazhang Chen ,  Jianli Liu ,  Xiaojun Cui ,  Bin Duan

IPC分类号： H03F3/21

CPC分类号： H03F3/211 ,  H03F1/0277 ,  H03F1/0288 ,  H03F3/195 ,  H03F3/245 ,  H03F3/72 ,  H03F2200/405 ,  H03F2200/507 ,  H03F2203/21106 ,  H03F2203/21142 ,  H03F2203/21196 ,  H03F2203/7206 ,  H03F2203/7236

摘要： The present invention discloses a Doherty power amplifier and an implementation method thereof. A peak amplifying circuit of the Doherty power amplifier comprises a radio frequency switching circuit configured to control turn-on of the peak amplifying circuit; wherein a last stage carrier amplifier of a carrier amplifying circuit of the power amplifier uses a HVHBT device, and a last stage peak amplifier of the peak amplifying circuit of the power amplifier uses a GaN device. The present invention avoids the shortcoming when the peak branches in the Doherty power amplifier are turned on ahead of time, decreases power consumption of the peak amplifier and improves the batch efficiency of the whole Doherty power amplifier.

摘要翻译： 本发明公开了一种Doherty功率放大器及其实现方法。 Doherty功率放大器的峰值放大电路包括：射频切换电路，被配置为控制峰值放大电路的导通; 其中功率放大器的载波放大电路的最后级载波放大器使用HVHBT器件，功率放大器的峰值放大电路的最后级峰值放大器使用GaN器件。 本发明避免了Doherty功率放大器中的峰值分支提前启动的缺点，降低了峰值放大器的功耗，并提高了整体Doherty功率放大器的批量效率。

公开(公告)号：US20130099867A1

公开(公告)日：2013-04-25

申请号：US13503150

申请日：2011-10-27

申请人： Xiaojun Cui ,  Huazhang Chen ,  Bin Duan ,  Jianli Liu

发明人： Xiaojun Cui ,  Huazhang Chen ,  Bin Duan ,  Jianli Liu

IPC分类号： H03F3/68

CPC分类号： H03F3/68 ,  H03F1/0288 ,  H03F3/195 ,  H03F3/245

摘要： The present invention discloses a Doherty power amplifier apparatus and a power amplification method. The apparatus includes an auxiliary power amplifier apparatus and a main power amplifier apparatus, the auxiliary power amplifier apparatus is used to amplify signal power by adopting a Laterally Diffused Metal Oxide Semiconductor (LDMOS) device; and the main power amplifier apparatus is used to amplify signal power by adopting a High Electron Mobility Transistors (HEMT) device. The present invention adopts the HEMT device as the main power amplifier. Compared with the existing Doherty power amplifier in which both the main power amplifier and the auxiliary power amplifier adopt LDMOS, with the present invention, the power amplifier efficiency of the main power amplifier in the Doherty power amplifier can be enhanced, thereby making the power amplifier efficiency of the whole Doherty power amplifier be substantially increased.

摘要翻译： 本发明公开了一种Doherty功率放大器装置和功率放大方法。 该装置包括辅助功率放大器装置和主功率放大装置，辅助功率放大装置用于通过采用侧向扩散金属氧化物半导体（LDMOS）装置放大信号功率; 并且主功率放大器装置用于通过采用高电子迁移率晶体管（HEMT）装置来放大信号功率。 本发明采用HEMT器件作为主功率放大器。 与现有的主功率放大器和辅助功率放大器采用LDMOS的Doherty功率放大器相比，本发明可以提高Doherty功率放大器中主功率放大器的功率放大器效率，从而使功率放大器 整个Doherty功率放大器的效率将大大提高。

公开(公告)号：US08773206B2

公开(公告)日：2014-07-08

申请号：US13521132

申请日：2011-10-27

申请人： Huazhang Chen ,  Xiaojun Cui ,  Jianli Liu

发明人： Huazhang Chen ,  Xiaojun Cui ,  Jianli Liu

IPC分类号： H03F3/21 ,  H03F3/195 ,  H03F3/24 ,  H03F1/02 ,  H03F3/60

CPC分类号： H03F3/211 ,  H03F1/0288 ,  H03F3/195 ,  H03F3/245 ,  H03F3/602 ,  H03F2200/405 ,  H03F2200/408 ,  H03F2200/411

摘要： The present invention relates to a power amplifier apparatus and a power amplifier circuit thereof, the power amplifier circuit uses Doherty circuit structure, and it uses a high voltage heterojunction bipolor transistor (HVHBT) power amplifier to achieve a Carrier amplifier with the Doherty circuit structure, and uses a high electron mobility transistor (HEMT) power amplifier to achieve a Peak amplifier with the Doherty circuit structure. The power amplifier apparatus and a power amplifier circuit thereof in the present invention improves the efficiency of the power amplifier.

摘要翻译： 本发明涉及一种功率放大器装置及其功率放大器电路，功率放大器电路采用Doherty电路结构，并采用高压异质结双色晶体管（HVHBT）功率放大器，实现Doherty电路结构的载波放大器， 并使用高电子迁移率晶体管（HEMT）功率放大器来实现具有Doherty电路结构的Peak放大器。 本发明的功率放大器装置及其功率放大器电路提高了功率放大器的效率。

公开(公告)号：US20150349719A1

公开(公告)日：2015-12-03

申请号：US13514696

申请日：2011-10-26

申请人： Huazhang Chen ,  Jianli Liu ,  Jinyuan An ,  Xiaojun Cui

发明人： Huazhang Chen ,  Jianli Liu ,  Jinyuan An ,  Xiaojun Cui

IPC分类号： H03F1/02 ,  H03F3/21 ,  H03F3/19

CPC分类号： H03F1/0288 ,  H03F1/0261 ,  H03F3/19 ,  H03F3/211 ,  H03F3/245 ,  H03F2200/15 ,  H03F2200/18 ,  H03F2200/405 ,  H03F2200/447 ,  H03F2200/451 ,  H03F2203/21106

摘要： Disclosed is a Doherty power amplifier apparatus, including: a drive amplifier circuit, a power splitter circuit and a power combiner circuit, wherein the power splittercircuit is connected to the drive amplifier circuit, the apparatus further comprising: a carrier amplifier circuit and a peak amplifier circuit connected in parallel between the power splitter circuit and the power combiner circuit, wherein the carrier amplifier circuit comprises one or more parallel carrier amplification branches, wherein each carrier amplification branch comprises a multi-stage carrier amplifier apparatus, the multi-stage carrier amplifier apparatus is used for achieving multi-stage carrier amplification; and the peak amplifier circuit comprises one or more parallel peak amplification branches, wherein each peak amplification branch comprises a multi-stage peak amplifier apparatus, the multi-stage peak amplifier apparatus is used for achieving multi-stage peak amplification.

摘要翻译： 公开了一种Doherty功率放大器装置，包括：驱动放大器电路，功率分配器电路和功率合成器电路，其中功率分配器电路连接到驱动放大器电路，该装置还包括：载波放大器电路和峰值放大器 功率分配器电路和功率合成器电路并联连接，其中载波放大器电路包括一个或多个并行载波放大分支，其中每个载波放大分支包括多级载波放大器装置，多级载波放大器装置 用于实现多级载波放大; 并且峰值放大器电路包括一个或多个并行峰值放大分支，其中每个峰值放大分支包括多级峰值放大器装置，多级峰值放大器装置用于实现多级峰值放大。

公开(公告)号：US20140035680A1

公开(公告)日：2014-02-06

申请号：US13521132

申请日：2011-10-27

申请人： Huazhang Chen ,  Xiaojun Cui ,  Jianli Liu

发明人： Huazhang Chen ,  Xiaojun Cui ,  Jianli Liu

IPC分类号： H03F3/21

CPC分类号： H03F3/211 ,  H03F1/0288 ,  H03F3/195 ,  H03F3/245 ,  H03F3/602 ,  H03F2200/405 ,  H03F2200/408 ,  H03F2200/411

摘要： The present invention relates to a power amplifier apparatus and a power amplifier circuit thereof, the power amplifier circuit uses Doherty circuit structure, and it uses a high voltage heterojunction bipolar transistor (HVHBT) power amplifier to achieve a Carrier amplifier with the Doherty circuit structure, and uses a high electron mobility transistor (HEMT) power amplifier to achieve a Peak amplifier with the Doherty circuit structure. The power amplifier apparatus and a power amplifier circuit thereof in the present invention improves the efficiency of the power amplifier.

摘要翻译： 本发明涉及一种功率放大器装置及其功率放大器电路，功率放大器电路采用Doherty电路结构，并采用高压异质结双极晶体管（HVHBT）功率放大器，实现Doherty电路结构的载波放大器， 并使用高电子迁移率晶体管（HEMT）功率放大器来实现具有Doherty电路结构的Peak放大器。 本发明的功率放大器装置及其功率放大器电路提高了功率放大器的效率。

公开(公告)号：US09331638B2

公开(公告)日：2016-05-03

申请号：US13514696

申请日：2011-10-26

申请人： Huazhang Chen ,  Jianli Liu ,  Jinyuan An ,  Xiaojun Cui

发明人： Huazhang Chen ,  Jianli Liu ,  Jinyuan An ,  Xiaojun Cui

IPC分类号： H03F3/68 ,  H03F1/02 ,  H03F3/19 ,  H03F3/24 ,  H03F3/21

CPC分类号： H03F1/0288 ,  H03F1/0261 ,  H03F3/19 ,  H03F3/211 ,  H03F3/245 ,  H03F2200/15 ,  H03F2200/18 ,  H03F2200/405 ,  H03F2200/447 ,  H03F2200/451 ,  H03F2203/21106

摘要： Disclosed is a Doherty power amplifier apparatus, including: a drive amplifier circuit, a power splitter circuit and a power combiner circuit, wherein the power splittercircuit is connected to the drive amplifier circuit, the apparatus further comprising: a carrier amplifier circuit and a peak amplifier circuit connected in parallel between the power splitter circuit and the power combiner circuit, wherein the carrier amplifier circuit comprises one or more parallel carrier amplification branches, wherein each carrier amplification branch comprises a multi-stage carrier amplifier apparatus, the multi-stage carrier amplifier apparatus is used for achieving multi-stage carrier amplification; and the peak amplifier circuit comprises one or more parallel peak amplification branches, wherein each peak amplification branch comprises a multi-stage peak amplifier apparatus, the multi-stage peak amplifier apparatus is used for achieving multi-stage peak amplification.

摘要翻译： 公开了一种Doherty功率放大器装置，包括：驱动放大器电路，功率分配器电路和功率合成器电路，其中功率分配器电路连接到驱动放大器电路，该装置还包括：载波放大器电路和峰值放大器 功率分配器电路和功率合成器电路并联连接，其中载波放大器电路包括一个或多个并行载波放大分支，其中每个载波放大分支包括多级载波放大器装置，多级载波放大器装置 用于实现多级载波放大; 并且峰值放大器电路包括一个或多个并行峰值放大分支，其中每个峰值放大分支包括多级峰值放大器装置，多级峰值放大器装置用于实现多级峰值放大。

公开(公告)号：US20140218116A1

公开(公告)日：2014-08-07

申请号：US13521137

申请日：2011-10-28

申请人： Xiaojun Cui ,  Huazhang Chen ,  Jianli Liu ,  Jinyuan An

发明人： Xiaojun Cui ,  Huazhang Chen ,  Jianli Liu ,  Jinyuan An

IPC分类号： H03F3/21 ,  H03F3/193

CPC分类号： H03F3/211 ,  H03F1/0288 ,  H03F3/193 ,  H03F3/245 ,  H03F3/602 ,  H03F2200/405 ,  H03F2200/408

摘要： The present invention relates to a power amplifier apparatus and a power amplifier circuit thereof, the power amplifier circuit uses Doherty circuit structure, and the final stage power amplifier circuit uses high electron mobility transistor (HEMT) power amplifiers to achieve a Carrier amplifier with the Doherty circuit structure and a Peak amplifier with the Doherty circuit structure. The power amplifier apparatus and a power amplifier circuit thereof in the present invention improves the efficiency of the power amplifier.

摘要翻译： 本发明涉及一种功率放大器装置及其功率放大器电路，该功率放大器电路使用Doherty电路结构，而最后一级功率放大器电路使用高电子迁移率晶体管（HEMT）功率放大器来实现载波放大器与Doherty 电路结构和具有Doherty电路结构的Peak放大器。 本发明的功率放大器装置及其功率放大器电路提高了功率放大器的效率。

公开(公告)号：US08710923B2

公开(公告)日：2014-04-29

申请号：US13513272

申请日：2011-10-27

申请人： Huazhang Chen ,  Jianli Liu ,  Jinyuan An ,  Xiaojun Cui

发明人： Huazhang Chen ,  Jianli Liu ,  Jinyuan An ,  Xiaojun Cui

IPC分类号： H03F1/14

CPC分类号： H03G1/0088 ,  H03F1/0277 ,  H03F1/0288 ,  H03F3/195 ,  H03F3/211 ,  H03F3/245 ,  H03F3/72 ,  H03F2200/405 ,  H03F2200/507 ,  H03F2203/21106 ,  H03F2203/21142 ,  H03F2203/21196 ,  H03F2203/7206 ,  H03F2203/7236

摘要： A control method and apparatus of a peak amplifier of a Doherty power amplifier are disclosed, wherein, the control apparatus includes a Radio Frequency (RF) switching circuit in a peak amplification branch of the Doherty power amplifier, which is used to control the turn-on and turn-off of the peak amplifier in the peak amplification branch. The method and apparatus avoid a disadvantage that the peak branch in the Doherty power amplifier is turned on ahead of time, thus reducing the power consumption of the peak power amplifier, and enhancing the mass efficiency of the whole power amplifier; and largely reducing the product expense and production expense of the power amplifier compared to the scheme of some manufacturers improving on-time of the peak power amplifier using complex digital circuits.

摘要翻译： 公开了一种Doherty功率放大器的峰值放大器的控制方法和装置，其中控制装置包括Doherty功率放大器的峰值放大分支中的射频（RF）切换电路， 在峰值放大分支中的峰值放大器的导通和截止。 该方法和装置避免了Doherty功率放大器中的峰值分支提前启动的缺点，从而降低了峰值功率放大器的功耗，并提高了整个功率放大器的质量效率; 并且大大降低了功率放大器的产品成本和生产成本，与一些制造商改进使用复杂数字电路的峰值功率放大器的导通时间的方案相比。