CN201063800Y - RF power amplifier device and hand-held terminal device - Google Patents
RF power amplifier device and hand-held terminal device Download PDFInfo
- Publication number
- CN201063800Y CN201063800Y CNU2007200533270U CN200720053327U CN201063800Y CN 201063800 Y CN201063800 Y CN 201063800Y CN U2007200533270 U CNU2007200533270 U CN U2007200533270U CN 200720053327 U CN200720053327 U CN 200720053327U CN 201063800 Y CN201063800 Y CN 201063800Y
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- frequency power
- power amplifier
- radio
- voltage
- conversion circuit
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Abstract
The utility model discloses a radio frequency power amplification device, comprising a radio frequency power amplifier and a feed battery supplying power supply for the radio frequency power amplifier, wherein, a voltage switching circuit is fixed between the feed battery and the radio frequency power amplifier, and the voltage switching circuit converts the output voltage of the feed battery to be minimum voltage required by the radio frequency power amplifier to output to the radio frequency power amplifier. The radio frequency power amplifier supplied by the utility model can reduce the power waste of the radio frequency power amplifier greatly, and prolong the service life of the battery. The utility model also discloses a hand terminal unit using the radio frequency power amplification device.
Description
Technical field
The utility model relates to the communications field, relates in particular to a kind of radio frequency power amplifying device and hand-held terminal device.
Background technology
Along with the professional constantly development of 3G, cell phone is with integrated increasing function, as note, Email, color screen demonstration, surfing on the net, many chord rings, music, recreation, image, news and sports express etc.Multi-functional integrated power supply design and management to mobile phone proposed great challenge, and this mainly is because the multi-functional high power consumption of bringing can significantly reduce the working life of battery of mobile phone.The radio-frequency power amplifier that is arranged in mobile phone is the very big element of mobile phone power consumption, since leakage current and electrostatic induced current have radio-frequency power amplifier work the time have a power dissipation, according to power=voltage * electric current, when cell voltage high more, because the power dissipation that leakage current and quiescent current produce is just big more, cellular li-ion battery voltage is generally between 4.2-3v, generally, radio-frequency power amplifier all can be worked more than 3v, the power dissipation of increasing RF power amplifier undoubtedly when cell voltage is higher than 3v, and then can consume more electric quantity of power supply, shorten the working life of battery of mobile phone.
The utility model content
Given this, the utility model embodiment provides a kind of radio frequency power amplifying device and hand-held terminal device.Can reduce the radio-frequency power amplifier power dissipation greatly, prolong the working life of device battery.
In order to solve the problems of the technologies described above, the utility model embodiment provides a kind of radio frequency power amplifying device, comprise radio-frequency power amplifier and the supplying cell of power supply is provided for described radio-frequency power amplifier, between described supplying cell and described radio-frequency power amplifier a voltage conversion circuit is set, described voltage conversion circuit is exported to described radio-frequency power amplifier after the output voltage of described supplying cell is converted to the required minimum voltage of described radio-frequency power amplifier work.
Preferable, described voltage conversion circuit connects a control circuit, and described control circuit output control signal is controlled described voltage conversion circuit the output voltage of described supplying cell is converted to the required minimum voltage of described radio-frequency power amplifier work.
Preferable, described voltage conversion circuit is a DC-DC transducer.
Accordingly, the utility model embodiment also provides a kind of hand-held terminal device, comprise radio-frequency power amplifier and the supplying cell of power supply is provided for described radio-frequency power amplifier, between described supplying cell and described radio-frequency power amplifier a voltage conversion circuit is set, described voltage conversion circuit is exported to described radio-frequency power amplifier after the output voltage of described supplying cell is converted to the required minimum voltage of described radio-frequency power amplifier work.
Preferable, described voltage conversion circuit connects a control circuit, and described control circuit output control signal is controlled described voltage conversion circuit the output voltage of described supplying cell is converted to the required minimum voltage of described radio-frequency power amplifier work.
Preferable, described hand-held terminal device comprises the soft phone of mobile phone, PDA and PC.
The utility model embodiment is by exporting to described radio-frequency power amplifier after the output voltage of a voltage conversion circuit with described supplying cell is converted to the required minimum voltage of described radio-frequency power amplifier work being provided with between supplying cell and radio-frequency power amplifier, can reduce radio-frequency power amplifier greatly because the power dissipation that leakage current and electrostatic induced current cause, prolong the life-span of supplying cell.
Description of drawings
Fig. 1 is that an example structure of mobile phone of the present utility model is formed schematic diagram;
Fig. 2 is that another example structure of mobile phone of the present utility model is formed schematic diagram.
Embodiment
Along with the professional constantly development of 3G, mobile phone, individual palmtop PC (PDA, Personal Digital Assistant) and hand-held terminal device such as the soft phone of PC with integrated increasing function, as note, Email, color screen demonstration, surfing on the net, many chord rings, music, recreation, image, news and sports express etc.Multi-functional integrated power supply design and management to equipment proposed great challenge, because the multi-functional high power consumption of bringing can significantly reduce the working life of battery of mobile phone.The radio-frequency power amplifier that is arranged in mobile phone is the very big element of mobile phone power consumption, since leakage current and electrostatic induced current have radio-frequency power amplifier work the time have a power dissipation, the utility model embodiment is by exporting to described radio-frequency power amplifier after the output voltage of a voltage conversion circuit with described supplying cell is converted to the required minimum voltage of described radio-frequency power amplifier work being provided with between supplying cell and radio-frequency power amplifier, can reduce radio-frequency power amplifier greatly because the power dissipation that leakage current and electrostatic induced current cause, prolong the life-span of power devices battery.
Be that example is elaborated to the utility model below with the mobile phone.
Fig. 1 is that an example structure of mobile phone of the present utility model is formed schematic diagram.As shown in the figure, the mobile phone of present embodiment comprises supplying cell 10, voltage conversion circuit 20 and the radio-frequency power amplifier 30 that is electrically connected successively, supplying cell 10 is a power supply apparatus, is generally lithium battery (voltage is between 4.2-3v), for radio-frequency power amplifier 30 provides voltage; Radio-frequency power amplifier 30 amplifies back output with the radiofrequency signal of input, for mobile phone provides required radiofrequency signal, radio-frequency power amplifier 30 is in that satisfy on the minimum voltage of transmitting power can both operate as normal, generally, but on 3v voltage operate as normal all.Because have leakage current and quiescent current, can produce power dissipation during radio-frequency power amplifier 30 work, according to power=voltage * electric current, when cell voltage high more, because the power dissipation that leakage current and quiescent current produce is just big more, cellular li-ion battery voltage is between 4.2v-3v, the power dissipation of increasing RF power amplifier undoubtedly when cell voltage is higher than 3v, therefore present embodiment is provided with a voltage conversion circuit 20 at supplying cell 10 and 30 of radio-frequency power amplifiers, and described voltage conversion circuit 20 is exported to described radio-frequency power amplifier 30 after the output voltage of described supplying cell 10 is converted to the required minimum voltage of described radio-frequency power amplifier 30 work.The voltage of present embodiment voltage conversion circuit 20 conversion back output 3v is given described radio-frequency power amplifier 30, like this because the reduction of operating voltage, radio frequency amplifier can be reduced greatly because the power dissipation that leakage current and electrostatic induced current cause, and then the life-span of supplying cell can be prolonged.Concrete, voltage conversion circuit 20 can be a DC-DC transducer.
Fig. 2 is that another example structure of mobile phone of the present utility model is formed schematic diagram.As shown in the figure, the mobile phone of present embodiment comprises supplying cell 10, voltage conversion circuit 20 and the radio-frequency power amplifier 30 that is electrically connected successively, in addition, also comprises a control circuit 40 that is connected with described voltage conversion circuit 20.The tranmitting frequency of radio-frequency power amplifier 30 is change of rank in the present embodiment, the transmitting power of different brackets needs different minimum operating voltages, described control circuit 40 is according to the class requirement of the tranmitting frequency of radio-frequency power amplifier 30 outputs, the output voltage of the described voltage conversion circuit 20 of control makes described voltage conversion circuit 20 outputs satisfy the minimum voltage of described radio-frequency power amplifier 30 emitting power grade demands in real time.Such as, when radio-frequency power amplifier 30 needs the power of output 30dBm, required minimum voltage is 3.3v, and then control circuit 40 output control signals are exported to described radio-frequency power amplifier 30 after controlling the voltage that described voltage conversion circuit 20 is converted to the output voltage of described supplying cell 10 3.3v; When radio-frequency power amplifier 30 needs the power of output 10dBm, required minimum voltage is 3v, and then control circuit 40 output control signals are exported to described radio-frequency power amplifier 30 after controlling the voltage that described voltage conversion circuit 20 is converted to the output voltage of described supplying cell 10 3v.
Present embodiment reduces radio frequency amplifier because the power dissipation that leakage current and electrostatic induced current cause by the output voltage of control circuit control voltage conversion circuit when making described voltage conversion circuit export the minimum voltage of the emitting power grade demand that satisfies described radio-frequency power amplifier.
Above disclosed only is the utility model preferred embodiment, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (6)
1. radio frequency power amplifying device, comprise radio-frequency power amplifier and the supplying cell of power supply is provided for described radio-frequency power amplifier, it is characterized in that, between described supplying cell and described radio-frequency power amplifier a voltage conversion circuit is set, described voltage conversion circuit is exported to described radio-frequency power amplifier after the output voltage of described supplying cell is converted to the required minimum voltage of described radio-frequency power amplifier work.
2. radio frequency power amplifying device as claimed in claim 1, it is characterized in that, described voltage conversion circuit connects a control circuit, and described control circuit output control signal is controlled described voltage conversion circuit the output voltage of described supplying cell is converted to the required minimum voltage of described radio-frequency power amplifier work.
3. radio frequency power amplifying device as claimed in claim 1 or 2 is characterized in that, described voltage conversion circuit is a DC-DC transducer.
4. hand-held terminal device, comprise radio-frequency power amplifier and the supplying cell of power supply is provided for described radio-frequency power amplifier, it is characterized in that, between described supplying cell and described radio-frequency power amplifier a voltage conversion circuit is set, described voltage conversion circuit is exported to described radio-frequency power amplifier after the output voltage of described supplying cell is converted to the required minimum voltage of described radio-frequency power amplifier work.
5. hand-held terminal device as claimed in claim 4, it is characterized in that, described voltage conversion circuit connects a control circuit, and described control circuit output control signal is controlled described voltage conversion circuit the output voltage of described supplying cell is converted to the required minimum voltage of described radio-frequency power amplifier work.
6. as claim 4 or 5 described hand-held terminal devices, it is characterized in that, comprise the soft phone of mobile phone, PDA and PC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200533270U CN201063800Y (en) | 2007-06-26 | 2007-06-26 | RF power amplifier device and hand-held terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200533270U CN201063800Y (en) | 2007-06-26 | 2007-06-26 | RF power amplifier device and hand-held terminal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201063800Y true CN201063800Y (en) | 2008-05-21 |
Family
ID=39452187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200533270U Expired - Lifetime CN201063800Y (en) | 2007-06-26 | 2007-06-26 | RF power amplifier device and hand-held terminal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201063800Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011100922A2 (en) * | 2011-04-14 | 2011-08-25 | 华为技术有限公司 | Method and apparatus for reducing power cost of power amplifier |
| WO2011124116A1 (en) * | 2010-04-09 | 2011-10-13 | 华为终端有限公司 | Voltage driving apparatus for power amplifier, power amplifying system, power supply device for radio frequency power amplifier and communication device |
| CN105450307A (en) * | 2015-12-11 | 2016-03-30 | 宁波环球广电科技有限公司 | Radio frequency amplification circuit and optical receiver for optical fiber radio frequency communication network |
| CN105744609A (en) * | 2016-05-09 | 2016-07-06 | 广东欧珀移动通信有限公司 | Method and device for improving power consumption of mobile terminal |
-
2007
- 2007-06-26 CN CNU2007200533270U patent/CN201063800Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011124116A1 (en) * | 2010-04-09 | 2011-10-13 | 华为终端有限公司 | Voltage driving apparatus for power amplifier, power amplifying system, power supply device for radio frequency power amplifier and communication device |
| WO2011100922A2 (en) * | 2011-04-14 | 2011-08-25 | 华为技术有限公司 | Method and apparatus for reducing power cost of power amplifier |
| CN102172085A (en) * | 2011-04-14 | 2011-08-31 | 华为技术有限公司 | Method and apparatus for reducing power cost of power amplifier |
| WO2011100922A3 (en) * | 2011-04-14 | 2012-03-15 | 华为技术有限公司 | Method and apparatus for reducing power consumption of power amplifier |
| CN102172085B (en) * | 2011-04-14 | 2013-04-17 | 华为技术有限公司 | Method and apparatus for reducing power cost of power amplifier |
| US8798563B2 (en) | 2011-04-14 | 2014-08-05 | Huawei Technologies Co., Ltd. | Method and apparatus for decreasing power consumption of power amplifier |
| CN105450307A (en) * | 2015-12-11 | 2016-03-30 | 宁波环球广电科技有限公司 | Radio frequency amplification circuit and optical receiver for optical fiber radio frequency communication network |
| CN105744609A (en) * | 2016-05-09 | 2016-07-06 | 广东欧珀移动通信有限公司 | Method and device for improving power consumption of mobile terminal |
| CN105744609B (en) * | 2016-05-09 | 2019-04-12 | Oppo广东移动通信有限公司 | Improve the method and device of mobile terminal power consumption |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080521 |
|
| CX01 | Expiry of patent term |