KR910005602A - RF transmission / reception circuit of mobile communication equipment - Google Patents

RF transmission / reception circuit of mobile communication equipment Download PDF

Info

Publication number
KR910005602A
KR910005602A KR1019890011515A KR890011515A KR910005602A KR 910005602 A KR910005602 A KR 910005602A KR 1019890011515 A KR1019890011515 A KR 1019890011515A KR 890011515 A KR890011515 A KR 890011515A KR 910005602 A KR910005602 A KR 910005602A
Authority
KR
South Korea
Prior art keywords
transmission
diode switch
pin diode
reception circuit
switch unit
Prior art date
Application number
KR1019890011515A
Other languages
Korean (ko)
Inventor
강원철
Original Assignee
강진구
삼성전자 주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 강진구, 삼성전자 주식회사 filed Critical 강진구
Priority to KR1019890011515A priority Critical patent/KR910005602A/en
Priority to JP2211445A priority patent/JPH0378329A/en
Priority to DE4025466A priority patent/DE4025466A1/en
Priority to GB9017684A priority patent/GB2235855A/en
Publication of KR910005602A publication Critical patent/KR910005602A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • 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
    • H04B1/44—Transmit/receive switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)

Abstract

내용 없음No content

Description

이동체 통신장비의 RF송수신회로RF transmission / reception circuit of mobile communication equipment

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제2도는 본 발명의 회로도.2 is a circuit diagram of the present invention.

Claims (6)

이동체 통신장비의 RF송수신회로에 있어서, RF송수신호에 의해 스위칭하여 송수신모드를 선택하는 핀다이오드 스위치부(10)와, 상기 핀 다이오드 스위치부(10)가 수신모드이면 RF수신신호를 저잡음 증폭하는 저잡음 증폭기(11)와, 상기 저잡음 증폭기(11)의 출력신호를 벤드패스필터링하여 수신기(RX)로 들어가는 제1밴드패스필터(13)와, 상기 핀 다이오드 스위치부(10)가 송신모드이면 송신기(TX)로 부터 정보를 실은 반송파가 인가되어 밴드패스필터링하는 제2밴드패스필터(14)와, 상기 제2밴드패스필터(14)의 출력신호를 파워 증폭하여 송신모드로된 상기 핀 다이오드 스위치부(10)를 통해 안테나(1)로 방사하는 파워증폭기(12)로 구성함을 특징으로 하는 회로.In the RF transmission / reception circuit of a mobile communication device, a pin diode switch unit 10 for switching between RF transmission signals and selecting a transmission / reception mode, and low noise amplification of the RF reception signal when the pin diode switch unit 10 is a reception mode. If the low noise amplifier 11, the first band pass filter 13 for bend-pass filtering the output signal of the low noise amplifier 11 to the receiver R X , and the pin diode switch 10 are in a transmission mode, A second band pass filter 14 for applying a carrier wave carrying information from the transmitter T X to perform band pass filtering, and the pin in power transmission mode by amplifying an output signal of the second band pass filter 14. A circuit comprising a power amplifier (12) radiating to the antenna (1) through a diode switch (10). 제1항에 있어서, 핀 다이오드 스위치부(10)가 핀 다이오드 3개를 사용하여 송수신부의 주파수가 밀접한 경우라도 아이솔레이션을 유지함을 특징으로 하는 이동체 통신장비의 RF송수신회로.The RF transmission / reception circuit according to claim 1, wherein the pin diode switch unit (10) maintains the isolation even when the frequency of the transceiver unit is close by using three pin diodes. 제2항에 있어서, 핀 다이오드 스위치부(10)의 삽입손실이 작아 수신부의 잡음 특성이 개선됨을 특징으로 하는 이동체 통신장비의 RF송수신회로.The RF transmission / reception circuit of a mobile communication device according to claim 2, wherein the insertion loss of the pin diode switch unit is small, thereby improving noise characteristics of the receiver. 제3항에 있어서, 핀 다이오드 스위치부(10)의 송신부에 대한 삽입손실이 작아 손신출력을 개선함을 특징으로 하는 이동체 통신장비의 RF송수신회로.4. The RF transmission / reception circuit of a mobile communication device according to claim 3, wherein the insertion loss of the pin diode switch unit 10 is small, thereby improving the loss output. 제4항에 있어서, 저잡음 증폭기(11) 입력단을 핀 다이오드 스위치부(10)에 연결하여 잡음 특성을 개선함을 특징으로 하는 이동체 통신장비의 RF송수신회로.5. The RF transmission / reception circuit according to claim 4, wherein the low noise amplifier (11) is connected to the pin diode switch unit (10) to improve noise characteristics. 제5항에 있어서, 파워증폭기(12) 출력단을 핀 다이오드 스위치부(10)에 연결하여 잡음 특성을 개선함을 특징으로 하는 이동체 통신장비의 RF송수신회로.The RF transmission / reception circuit of a mobile communication device according to claim 5, wherein the power amplifier (12) output terminal is connected to a pin diode switch unit (10) to improve noise characteristics. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890011515A 1989-08-12 1989-08-12 RF transmission / reception circuit of mobile communication equipment KR910005602A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1019890011515A KR910005602A (en) 1989-08-12 1989-08-12 RF transmission / reception circuit of mobile communication equipment
JP2211445A JPH0378329A (en) 1989-08-12 1990-08-08 Rf transmitting/receiving circuit of shifting body communication facility
DE4025466A DE4025466A1 (en) 1989-08-12 1990-08-10 RF transmitter-receiver for mobile telecommunication system - has signals processed via pin diode unit to improve sensitivity and power
GB9017684A GB2235855A (en) 1989-08-12 1990-08-13 Radio-frequency transmitting and receiving circuit uses pin diode switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890011515A KR910005602A (en) 1989-08-12 1989-08-12 RF transmission / reception circuit of mobile communication equipment

Publications (1)

Publication Number Publication Date
KR910005602A true KR910005602A (en) 1991-03-30

Family

ID=19288886

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890011515A KR910005602A (en) 1989-08-12 1989-08-12 RF transmission / reception circuit of mobile communication equipment

Country Status (4)

Country Link
JP (1) JPH0378329A (en)
KR (1) KR910005602A (en)
DE (1) DE4025466A1 (en)
GB (1) GB2235855A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990061185A (en) * 1997-12-31 1999-07-26 유기범 Mobile terminal with power saving function when transmitting and receiving data

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04341026A (en) * 1991-05-17 1992-11-27 Nec Corp Tdma system radio communication equipment
JPH08237165A (en) * 1995-02-24 1996-09-13 Murata Mfg Co Ltd Antenna multicoupler
DE19535360A1 (en) * 1995-09-22 1997-03-27 Siemens Ag Method for allocating radio resources to several transmission devices of a base station within a radio communication system
DE29706463U1 (en) * 1997-04-11 1997-10-02 Paulus, Patrick Bernhard, 88471 Laupheim Active module for decoupling transmission u. Receiving antenna
US6614837B1 (en) 1998-09-25 2003-09-02 Skyworks Solutions, Inc. Device system and method for low noise radio frequency transmission
GB2374203A (en) * 2001-04-06 2002-10-09 Alexander Dodd Transmit / receive antenna system with higher receive gain
AU2002258349A1 (en) * 2002-05-16 2003-12-19 Addvalue Technologies Ltd A radio frequency circuit
US7262657B2 (en) 2005-03-21 2007-08-28 Skyworks Solutions, Inc. Bias control for reducing amplifier power consumption and maintaining linearity
US7493093B2 (en) 2005-04-27 2009-02-17 Skyworks Solutions, Inc. Switchable power level detector for multi-mode communication device
US7493097B2 (en) 2005-07-07 2009-02-17 Skyworks Solutions, Inc. High dynamic range compact mixer output stage for a wireless receiver
US7471154B2 (en) 2006-08-08 2008-12-30 Skyworks Solutions, Inc. Bias circuit for maintaining high linearity at cutback power conditions
US7446612B2 (en) 2006-09-08 2008-11-04 Skyworks Solutions, Inc. Amplifier feedback and bias configuration
US7696826B2 (en) 2006-12-04 2010-04-13 Skyworks Solutions, Inc. Temperature compensation of collector-voltage control RF amplifiers
US7729674B2 (en) 2007-01-09 2010-06-01 Skyworks Solutions, Inc. Multiband or multimode receiver with shared bias circuit
CN108173568B (en) * 2017-12-11 2021-03-05 大连昊洋科技发展有限公司 High-power high-speed radio frequency transceiving switching device and method and wireless communication system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4931214A (en) * 1972-07-15 1974-03-20
DE2362889A1 (en) * 1973-12-18 1975-06-19 Standard Elektrik Lorenz Ag RADIO TRANSMITTER / RECEIVER
DE2426506A1 (en) * 1974-05-31 1975-12-04 Standard Elektrik Lorenz Ag RADIO TRANSMITTER / RECEIVER
DE2636969C2 (en) * 1976-08-17 1984-05-10 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt RF antenna switch
JPS5773533A (en) * 1980-10-24 1982-05-08 Hitachi Denshi Ltd Antenna switch circuit
US4361905A (en) * 1980-11-10 1982-11-30 General Electric Company Arrangement for connecting selected antennas to a radio for transmitting and receiving
SE8102393L (en) * 1981-04-14 1982-10-15 Standard Radio & Telefon BROADBAND TRANSMISSION RECEIVER SWITCH
GB2120905B (en) * 1982-01-25 1986-03-19 Viking Phone Co Inc Cordless telephone
JPS59135933A (en) * 1983-01-25 1984-08-04 Matsushita Electric Ind Co Ltd Antenna switching circuit
JPS59221035A (en) * 1983-05-31 1984-12-12 Yuniden Kk Radio transmitting and receiving device
JPS60124146U (en) * 1984-01-27 1985-08-21 日本電気株式会社 antenna switching circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990061185A (en) * 1997-12-31 1999-07-26 유기범 Mobile terminal with power saving function when transmitting and receiving data

Also Published As

Publication number Publication date
DE4025466A1 (en) 1991-02-14
GB2235855A (en) 1991-03-13
GB9017684D0 (en) 1990-09-26
JPH0378329A (en) 1991-04-03

Similar Documents

Publication Publication Date Title
KR910005602A (en) RF transmission / reception circuit of mobile communication equipment
WO2002075939A3 (en) Wireless communication over a transducer device
AU1627400A (en) Integrated transmitter and receiver components for a dual-band transceiver
KR970013887A (en) RADIO COMMUNICATION DEVICE AND RADIO COMMUNICATION METHOD
CA2253487A1 (en) Transceiver with rf loopback and downlink frequency scanning
US5697069A (en) Transmit-receiver switch
CN1472978A (en) Isolated enhancing system and method
DE69729437D1 (en) COMPACT DIRECTIONAL RADIO RANGE WITH MONOLITHICALLY INTEGRATED MICROWAVE SWITCHING MODULES
JPH09284168A (en) Microwave integrated circuit and communication system terminal equipment using the microwave integrated circuit
US6823003B2 (en) Multi-path transceiver amplification apparatus, method and system
KR970008850A (en) Stripline Filter with Switching Function
US4085366A (en) Noise reduction device for citizen's band transceivers
JP2516140B2 (en) ID card transceiver circuit
JPH0548493A (en) Booster
KR100208192B1 (en) Double band mobile telecommunication terminal
KR960027387A (en) Transmission output control device of communication device
JPH08125450A (en) Radio transmitter-receiver
KR970008176B1 (en) Down converter for mobile telecom
KR960003181A (en) WiFi Transceiver
KR100221946B1 (en) The radio frequency receiving circuit for the base station
KR100349116B1 (en) Transmitter-receiver improving receiving sensitivity
KR940001597A (en) Receiving circuit of mobile communication equipment
KR960020033A (en) Cellular Phone with Separated RF Module
JPS55161430A (en) Radio communicating system
KR970055702A (en) Intermediate Frequency Sharing Wireless Communication System

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application