KR20080078486A - Radio frequency integrated module of one chip type - Google Patents
Radio frequency integrated module of one chip type Download PDFInfo
- Publication number
- KR20080078486A KR20080078486A KR1020070018715A KR20070018715A KR20080078486A KR 20080078486 A KR20080078486 A KR 20080078486A KR 1020070018715 A KR1020070018715 A KR 1020070018715A KR 20070018715 A KR20070018715 A KR 20070018715A KR 20080078486 A KR20080078486 A KR 20080078486A
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- KR
- South Korea
- Prior art keywords
- pin pattern
- module
- signal
- substrate
- pin
- Prior art date
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/213—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only in integrated circuits
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/38—Impedance-matching networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0408—Circuits with power amplifiers
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
Abstract
Description
1 is a top view schematically illustrating a form in which components of a general WLAN RF module are mounted on a board;
Figure 2 is a top view schematically showing a form in which the components of the win chip-type RF integrated module packaged according to an embodiment of the present invention.
<Explanation of symbols for main parts of drawing>
100: RF integrated module 110: FEM (Front End Module)
120: matching circuit unit 130: PAM (Power Amplifier Module)
140: transceiver 150: substrate
B: Tx / Rx I / Q Pin Pattern C: RF_In / Out Pin Pattern
D: first power pin pattern E: second power pin pattern
F: Clock Signal Pin Pattern
The present invention relates to an RF module.
The communication module is implemented as a single module in which circuit elements for processing radio signals used on the mobile communication terminal as RF signals and baseband signals are mounted on a single board.
Meanwhile, as high-speed data transmission technology through a wireless channel is developed, various electronic communication devices used in daily life are connected through a network, and more convenient services are provided. Such wireless network technology includes a wireless local area network (WLAN). An example is technology.
Using the WLAN technology, a network of several Mbps to several tens of Mbps can be configured using an inductrial, scientific and medical (ISM) band region of 2.4 GHz band without a license, and a direct sequence spread spectrum (DSSS) method. The high speed 802.11 standard allows various communication systems to be networked.
The WLAN device includes an access point (AP), a wireless LAN card, and the like, which are essentially provided with a single module RF module.
FIG. 1 is a top view schematically illustrating a form in which components of a general
Referring to FIG. 1, the
The
The
On the other hand, the received signal input to the front-
For example, when the
In particular, the recent mobile communication terminal products are also equipped with other modules, such as a camera module, a short-range communication module such as Bluetooth, a Digital Multimedia Broadcasting (DMB) communication module, so that the four block structure described above has its own arrangement This affects not only the design but also the mounting structure of other modules.
In addition, the general RF module is designed to arrange the chip inside the substrate and to design a pin map according to the position of the chip, so interference occurs between the pin patterns.
For example, there is a high probability that interference occurs between the baseband signal of the
That is, if the signal is distorted in the process of transmitting the signal inside the RF module, even if a normal signal is received, the
An embodiment of the present invention provides a one-chip RF integrated module in which each circuit device for processing an RF signal and a baseband signal is integrated into a one-chip package device in a bare chip state, and a pin pattern is arranged so that interference does not occur. .
One-chip RF integrated module according to an embodiment of the present invention includes a front end module for separating and filtering the RF transmission and reception signals; A power amplification module for amplifying a transmission signal and transmitting the amplified signal to the front end module; A transceiver which receives a reception signal from the front end module and outputs a transmission signal to the power amplifier module; And a matching circuit unit for matching impedances between the respective components, and packaged on a single substrate, wherein the pin pattern of the transceiver and the pin pattern of the front end module are formed at different ends of the substrate, respectively.
Hereinafter, the one-chip RF integrated module according to the present invention will be described in detail with reference to the accompanying drawings. In the embodiment of the present invention, the one-chip RF integrated module will be a communication module for processing a WLAN signal.
2 is a top view schematically showing a form in which the components of the one-chip RF integrated
Referring to FIG. 2, the one-chip RF integrated
In an exemplary embodiment of the present invention, the fin pattern includes a total of 68 fins, and the rectangular copper foil regions spaced / arranged along the periphery of the substrate 150 (other regions are removed from the copper foil region and a solder resist is applied). Is formed.
In addition, a die bonding pattern, a wire bonding pattern, a line pattern, etc. may be formed on the
In particular, the pin pattern is a pin pattern (C; hereinafter referred to as "RF-In / Out pin pattern") connected to the front-
According to the present invention, each component including the
Therefore, in the description of the pin pattern structure according to the embodiment of the present invention, the RF-In / Out pin pattern (C), Tx / Rx I / Q pin pattern (B), the power source is greatly affected by the interference signal The pin patterns D and E and the clock signal pin pattern F will be mainly described.
The
For example, an inner layer of the
The
The mounting positions of the
The
The received signal transmitted from the external antenna is suppressed out-of-band signal through the reception filter of the
The
In addition, the
The
The signal separation unit separates the transmission signal from the reception signal and transmits the transmission signal to the transmission filter, and the transmission filter extracts only the transmission signal of the corresponding band by suppressing signals of noise components such as a slewus signal and an interference signal generated in the amplification process. .
The extracted transmission signal may be transmitted to an external antenna through the RF-In / Out pin pattern (C).
The
The
When the
Meanwhile, the pin pattern of the one-chip RF integrated
The Tx / Rx I / Q pin pattern B includes an input pin pattern Rx_QN of an Rx Q signal, an output pin pattern Rx_QP of an Rx Q signal, an input pin pattern Rx_IN of an Rx I signal, and an Rx I signal. Output pin pattern (Rx_IP), Tx Q signal input pin pattern (Tx_QN), Tx Q signal output pin pattern (Tx_QP), Tx I signal input pin pattern (Tx_IN), Tx I signal output pin pattern (Tx_IP) It includes.
Ground pin patterns may be formed at both ends of the Rx_QN pin patterns to the Tx_IP pin patterns, respectively, to suppress the influence of signals input and output from the
According to the present invention, the Tx / Rx I / Q pin pattern (B) and the RF-In / Out pin pattern (C) are formed at the other end of the
The RF-In / Out pin pattern (C) is a pin pattern connected to an external antenna, and similar to the Tx / Rx I / Q pin pattern (B), ground pin patterns are formed on both sides to block the electromagnetic signal. have.
In addition, the power pin pattern includes a first power pin pattern D (WLAN_3.3V_R) and a second power pin pattern E (WLAN_3.3V), where the first power pin pattern D has a current value of about 300 mA. It has a power supply to the power amplification module (130).
In addition, the second power pin pattern E has a current value of about 600 mA and supplies power to the
The first power pin pattern D is formed on the lower left end of the
The ground pattern is formed on both sides of the first power pin pattern D to suppress the influence of electromagnetic fields generated by the second power pin pattern E and the RF-In / Out pin pattern C.
The enable signal pin pattern LDO_EN of the local oscillation circuit (included in the transceiver 140), the enable signal pin pattern PA_PE of the
The clock signal pin pattern F is formed above the left end of the
In the case of the WLAN communication module, the clock signal pin pattern F receives a clock signal of about 40 MHz, and the clock signal is particularly a Tx / Rx I / Q pin pattern B and a MAC / BBP control pin pattern (substrate 150). The pins formed on the upper side of the side have a lot of influence, but electrical interference can be minimized by the ground pin patterns formed on both sides.
Each
Although the present invention has been described above with reference to the embodiments, these are only examples and are not intended to limit the present invention, and those skilled in the art to which the present invention pertains may have an abnormality within the scope not departing from the essential characteristics of the present invention. It will be appreciated that various modifications and applications are not illustrated. For example, each component specifically shown in the embodiment of the present invention can be modified. And differences relating to such modifications and applications will have to be construed as being included in the scope of the invention defined in the appended claims.
According to the one-chip RF integrated module according to an embodiment of the present invention, circuit elements such as a front end module, a matching circuit unit, a power amplification module, and a transceiver can be integrated in the form of a package chip in a bare chip state, thereby minimizing the size of the communication module. It can work.
In addition, according to an embodiment of the present invention, in the case of mounting other circuit modules such as a camera module, a near field communication module, and a DMB receiving module together in a mobile communication terminal product, each module may be mounted in a slim housing, Freedom is effective.
In addition, according to an embodiment of the present invention, it is possible to suppress the phenomenon that the interference signal is generated between the pin pattern, thereby preventing the signal distortion such as signal degradation and oscillation phenomenon, and the transmission and reception quality of the mobile communication terminal There is an effect to improve.
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070018715A KR20080078486A (en) | 2007-02-23 | 2007-02-23 | Radio frequency integrated module of one chip type |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070018715A KR20080078486A (en) | 2007-02-23 | 2007-02-23 | Radio frequency integrated module of one chip type |
Publications (1)
Publication Number | Publication Date |
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KR20080078486A true KR20080078486A (en) | 2008-08-27 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020070018715A KR20080078486A (en) | 2007-02-23 | 2007-02-23 | Radio frequency integrated module of one chip type |
Country Status (1)
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101390914B1 (en) * | 2012-05-09 | 2014-04-30 | (주)와이솔 | Tunable Front-End Module |
US8921993B2 (en) | 2013-05-02 | 2014-12-30 | Samsung Electronics Co., Ltd. | Semiconductor package having EMI shielding function and heat dissipation function |
CN116936562A (en) * | 2023-09-14 | 2023-10-24 | 成都爱旗科技有限公司 | Chip packaging structure, wiFi6 chip and Internet of things equipment |
-
2007
- 2007-02-23 KR KR1020070018715A patent/KR20080078486A/en not_active Application Discontinuation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101390914B1 (en) * | 2012-05-09 | 2014-04-30 | (주)와이솔 | Tunable Front-End Module |
US8921993B2 (en) | 2013-05-02 | 2014-12-30 | Samsung Electronics Co., Ltd. | Semiconductor package having EMI shielding function and heat dissipation function |
CN116936562A (en) * | 2023-09-14 | 2023-10-24 | 成都爱旗科技有限公司 | Chip packaging structure, wiFi6 chip and Internet of things equipment |
CN116936562B (en) * | 2023-09-14 | 2023-12-05 | 成都爱旗科技有限公司 | Chip packaging structure, wiFi6 chip and Internet of things equipment |
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