CN2629355Y - Printed circuit board structure for radio transmission apparatus - Google Patents
Printed circuit board structure for radio transmission apparatus Download PDFInfo
- Publication number
- CN2629355Y CN2629355Y CN 03237165 CN03237165U CN2629355Y CN 2629355 Y CN2629355 Y CN 2629355Y CN 03237165 CN03237165 CN 03237165 CN 03237165 U CN03237165 U CN 03237165U CN 2629355 Y CN2629355 Y CN 2629355Y
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- China
- Prior art keywords
- circuit board
- printed circuit
- pcb
- radio
- transmitting device
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Abstract
The utility model discloses a printing circuit board structure applied to wireless transmission device, to improve product yield and productivity, comprising a radio frequency module and a second printing circuit board. The radio frequency module comprises a first printing circuit board and a radio frequency element arranged thereon, the area of the second printing circuit board is larger than the first one, and the first one is arranged on the surface of the second one.
Description
Technical field
The utility model is the printed circuit board arrangement about a kind of radio transmitting device, particularly about a kind of printed circuit board arrangement that comprises the radio transmitting device of several printed circuit board (PCB)s.
Background technology
Along with the development of constantly bringing forth new ideas of wireless communication technique, mobile phone has become one of indispensable communication tool of modern, and WLAN (wireless local area network) (wireless LAN WLAN) also has the trend that replaces cable LAN gradually.Present many intra-companies have utilized wireless mode to carry out the transmission of numerical data, thereby replace the working environment that original wiring everywhere just can be finished identical function.Moreover, many public buildings are also in construction WLAN (wireless local area network) successively, and for example, all there is the consumer that similar service offers to be needed in places such as many International airports, hotel, restaurant and coffee chain store.The user just can be online with nearest access device (access point) as long as utilize personal computer or the PDA that wireless network card has been installed.No matter be send and receive e-mail, online and game on-line etc., obtaining and using of Internet resources can reach zero time difference and zero distance.
The radio transmitting device that uses in WLAN (wireless local area network) also has gateway (gateway) and router (router) or the like except access device (access point).Be applied to the printed circuit board (PCB) of above-mentioned radio transmitting device, major part is to utilize so-called surface mounting technology (Surface Mounting Technology, SMT) with various circuit element, as base band (base band), media interviews control (Media AccessControl, MAC) and radio frequency (Radio Frequency, RF) element is fixed on the printed circuit board (PCB).Generally speaking, radio-frequency (RF) component is handled the signal emission of high frequency and is received, and its requirement to line design and element collocation is quite strict.Therefore how to determine that radio-frequency (RF) component can be stablized and inerrably bring into play function, become considerable problem in the wireless signal transmission techniques.
For seeking good signal transmitting quality and preferable stability, the U-NII (47CFR15.401) of the new wireless network communication agreement 802.11a that works out proposes near the frequency band of 5GHz for use.In addition, wireless network communication agreement 802.11b/g ISM (47CFR15.247) regulation 2.400-2.4835GHz frequency band uses for the following transmitting power of 1000mW.
Generally speaking, the different radio-frequency (RF) component of the essential use of the frequency band of different communications protocol, and when different radio-frequency (RF) component is fixed in printed circuit board (PCB), whether the effect of electronic component such as relevant resistance and electric capacity can bring about the desired effect on this radio-frequency (RF) component and the printed circuit board (PCB), often is that one on the QC perplexs greatly.In case the integrated testability bad of the electronic component of this radio-frequency (RF) component and collocation thereof still must be changed the monoblock printed circuit board (PCB) in case of necessity, thereby significantly increase whole manufacturing cost.Therefore, the replacing that how to reduce because of radio-frequency (RF) component causes the unmatched manufacturing cost of printed circuit board (PCB), has become an important topic of industrial circle now.
Summary of the invention
Main purpose of the present utility model provides a kind of printed circuit board arrangement that is applied to radio transmitting device, with the yield of the printed circuit board (PCB) that improves this radio transmitting device, and and then reduces production costs.
The printed circuit board arrangement that the utility model is applied to radio transmitting device comprises a radio-frequency module and one second printed circuit board (PCB).This radio-frequency module can provide the transmission-receiving function of wireless signal, and it comprises one first printed circuit board (PCB) and and is installed in a radio-frequency (RF) component on this first printed circuit board (PCB).The area of this second printed circuit board (PCB) is not less than this first printed circuit board (PCB), and this first printed circuit board (PCB) dress is sent out in the surface of this second printed circuit board (PCB).
Major technique feature of the present utility model is the printed circuit board (PCB) that comprised all circuit elements originally to be divided into small one and large one two printed circuit board, earlier radio-frequency (RF) component is incorporated on the less printed circuit board (PCB), and this less printed circuit board (PCB) is provided with the electronic component relevant with this radio-frequency (RF) component, thereby forms a radio-frequency module.This radio-frequency module can be a non-defective unit to guarantee this radio-frequency module in advance through test before being attached to bigger printed circuit board (PCB).Thus, just in case this radio-frequency module is faulty materials, only need to change this less printed circuit board (PCB) and get final product, and the circuit design of this bigger printed circuit board (PCB) can not need be considered the problem of radio-frequency (RF) component model.
Technology of the present utility model also can be used two circuit boards of identical size, as long as the same mode that forms radio-frequency module of using can reach the effect that is equal to.
Description of drawings
The utility model will illustrate according to accompanying drawing, wherein:
Fig. 1 is the exploded view of the printed circuit board (PCB) of radio transmitting device of the present utility model;
Figure 2 shows that the constitutional diagram of the printed circuit board (PCB) of radio transmitting device of the present utility model.
Symbol description among the figure:
10 radio-frequency modules
11 radio-frequency (RF) component
12 first printed circuit board (PCB)s
13 pins
The printed circuit board arrangement of 20 radio transmitting devices
21 second printed circuit board (PCB)s
22 baseband element
23 MAC elements
24 pads
Embodiment
Radiofrequency signal is played the part of a considerable ring in the transmission of wireless signals, and its quality is related to the effect and the quality of transmission of wireless signals.Below will be that example illustrates technical characterstic of the present utility model with the radio-frequency (RF) component:
With reference to Fig. 1, a radio-frequency (RF) component 11 is installed in the surface of one first printed circuit board (PCB) 12, thereby forms a radio-frequency module 10.The surface of this first printed circuit board (PCB) 12 can comprise various electronic components such as resistance, electric capacity and inductance, and the function of transmitting-receiving radiofrequency signal is provided in order to this radio-frequency (RF) component 11 of arranging in pairs or groups.
Generally speaking, the difficult control of the quality of this radio-frequency module 10 and stability so this radio-frequency module 10 can be tested earlier, shows after the equal no problem with the intensity of determining its emission electric wave and field pattern etc., carries out next step action again.
After guaranteeing that this radio-frequency module 10 is a non-defective unit, the pad (pad) 24 on the pin 13 of this first printed circuit board (PCB) 12 and one second printed circuit board (PCB), 21 surfaces combines with tin cream, forms a printed circuit board arrangement 20 that comprises the radio transmitting device of two printed circuit board as shown in Figure 2.In other words, the printed circuit board arrangement 20 of this radio transmitting device comprises this first printed circuit board (PCB) 12 and second printed circuit board (PCB) 21, wherein this first printed circuit board (PCB) 12 is equiped with this radio-frequency (RF) component 11, this second printed circuit board (PCB) 21 comprises transmission of wireless signals a baseband element 22 and a MAC element 23 commonly used, and the area of this second printed circuit board (PCB) 21 is greater than this first printed circuit board (PCB) 12.
The printed circuit board arrangement 20 of radio transmitting device of the present utility model is scrapped the loss that is caused except avoiding the monoblock printed circuit board (PCB), this radio-frequency (RF) component 11 can be produced the radio-frequency module of various different communications protocol such as meeting 802.11a, 802.11b, 802.11d, 802.11e, 802.11f, 802.11g, 802.11i or Bluetooth respectively according to its difference of using frequency band and communications protocol.Thus, but these second printed circuit board (PCB), 21 standardization, and a need be installed different types of radio-frequency module 10 according to different demands and get final product, and therefore is very suitable for a large amount of productions.In addition, because it is that the radio-frequency (RF) component 11 that will be easier to go wrong separates out, thus not only can improve the production yield, and can significantly promote production capacity.
The combination of this radio-frequency module 10 and this second printed circuit board (PCB) 21 is except utilizing the tin cream combination, also can use common golden finger (connecting finger), socket (socket) or stamp hole to carry out combination, and the replacement of more convenient this radio-frequency module 10.But this measure may improve manufacturing cost, thereby the every factor that must will be correlated with is considered in the lump.
The utility model also can be made the structure that comprises three above printed circuit board (PCB)s according to different needs, for example two less printed circuit board (PCB)s are formed the module of standalone feature, be installed up to again on the bigger printed circuit board (PCB), or form the structure that comprises three stacked printed circuit board (PCB)s.In addition, do not limit on this first printed circuit board (PCB) 12 and use radio-frequency (RF) component 11, also can use the element of other difference in functionality.As long as it is to utilize the notion of a modular combination to improve the yield and the production capacity of product, and then reduce cost, all should be the utility model and contain.
The printed circuit board arrangement 20 of this radio transmitting device is except can be applicable to transmission of wireless signals products such as present router, access device, gateway or mobile phone, information household appliances (the Information Application such as refrigerator, baking box or security system of following wireless penetration, IA) product also can be applied, thereby more increases convenience in life.
Technology contents of the present utility model and technical characterstic are open as above, yet the personnel that are familiar with this technology still may and disclose and do all replacement and modifications that does not deviate from the utility model spirit based on teaching of the present utility model.Therefore, protection range of the present utility model should be not limited to the disclosed content of embodiment, also should comprise various do not deviate from replacement of the present utility model and modifications, and is contained by the present patent application protection range.
Claims (9)
1. the printed circuit board arrangement of a radio transmitting device comprises:
One radio-frequency module, it comprises: one first printed circuit board (PCB) is provided with the circuit element relevant with receiving and dispatching radiofrequency signal; And a radio-frequency (RF) component, be installed on described first printed circuit board (PCB);
One second printed circuit board (PCB), its area are not less than described first printed circuit board (PCB), and this first printed circuit board (PCB) is the surface that is installed in described second printed circuit board (PCB);
It is characterized in that the circuit design of described second printed circuit board (PCB) and the model of described radio-frequency (RF) component have nothing to do, described radio-frequency module test in advance just is installed in the surface of this second printed circuit board (PCB) to filter bad radio-frequency (RF) component after to be detected the finishing.
2. the printed circuit board arrangement of radio transmitting device according to claim 1, the circuit element that it is characterized in that described first printed circuit board (PCB) is resistance, electric capacity or inductance.
3. the printed circuit board arrangement of radio transmitting device according to claim 1 is characterized in that described second printed circuit board (PCB) comprises a baseband element in addition.
4. the printed circuit board arrangement of radio transmitting device according to claim 1 is characterized in that described second printed circuit board (PCB) comprises a media interviews control element in addition.
5. the printed circuit board arrangement of radio transmitting device according to claim 1 is characterized in that described first printed circuit board (PCB) and second printed circuit board (PCB) are to carry out combination with tin cream.
6. the printed circuit board arrangement of radio transmitting device according to claim 1 is characterized in that described second printed circuit board surface comprises a slot in addition, in order in conjunction with described first printed circuit board (PCB).
7. the printed circuit board arrangement of radio transmitting device according to claim 1 is characterized in that described second printed circuit board surface comprises a golden finger in addition, in order in conjunction with this first printed circuit board (PCB).
8. the printed circuit board arrangement of radio transmitting device according to claim 1 is characterized in that it is to be applied in access device, gateway and the router.
9. the printed circuit board arrangement of radio transmitting device according to claim 1 is characterized in that described radio-frequency module is a kind of among employing wireless network communication protocol 802.11a, 802.11b, 802.11d, 802.11e, 802.11f, 802.11g, 802.11i and the Bluetooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03237165 CN2629355Y (en) | 2003-01-30 | 2003-01-30 | Printed circuit board structure for radio transmission apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03237165 CN2629355Y (en) | 2003-01-30 | 2003-01-30 | Printed circuit board structure for radio transmission apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2629355Y true CN2629355Y (en) | 2004-07-28 |
Family
ID=34249771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03237165 Expired - Fee Related CN2629355Y (en) | 2003-01-30 | 2003-01-30 | Printed circuit board structure for radio transmission apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2629355Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7715203B2 (en) | 2003-12-30 | 2010-05-11 | Lg Electronics Inc. | RF module structure of a mobile communication terminal |
| CN106100680A (en) * | 2016-07-28 | 2016-11-09 | 上海宏力达信息技术股份有限公司 | A kind of radio frequency unit being applied to blade type gateway |
-
2003
- 2003-01-30 CN CN 03237165 patent/CN2629355Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7715203B2 (en) | 2003-12-30 | 2010-05-11 | Lg Electronics Inc. | RF module structure of a mobile communication terminal |
| CN106100680A (en) * | 2016-07-28 | 2016-11-09 | 上海宏力达信息技术股份有限公司 | A kind of radio frequency unit being applied to blade type gateway |
| CN106100680B (en) * | 2016-07-28 | 2019-05-07 | 上海宏力达信息技术股份有限公司 | A kind of radio frequency unit applied to blade type gateway |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |