KR100749071B1 - 전치 필터 - Google Patents
전치 필터 Download PDFInfo
- Publication number
- KR100749071B1 KR100749071B1 KR1020060032773A KR20060032773A KR100749071B1 KR 100749071 B1 KR100749071 B1 KR 100749071B1 KR 1020060032773 A KR1020060032773 A KR 1020060032773A KR 20060032773 A KR20060032773 A KR 20060032773A KR 100749071 B1 KR100749071 B1 KR 100749071B1
- Authority
- KR
- South Korea
- Prior art keywords
- filter
- switch
- input
- path
- signal
- Prior art date
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/16—Spectrum analysis; Fourier analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/16—Spectrum analysis; Fourier analysis
- G01R23/165—Spectrum analysis; Fourier analysis using filters
Landscapes
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Electronic Switches (AREA)
Abstract
Description
Claims (3)
- 입력되는 고주파신호를 선택하는 선택스위치와; 상기 선택스위치에서 선택된 신호를 분석 대역폭의 크기에 따라 여러 가지 필터 경로를 선택하여 최적의 신호를 출력하는 필터패스와; 상기 필터패스에는 적어도 하나 이상의 필터 경로를 선택하는 집적회로 스위치를 포함하는 전치 필터.
- 제 1 항에 있어서, 상기 집적회로 스위치는 두 개의 입력과 하나의 출력을 갖는 스위치를 포함하는 전치 필터.
- 제 1 항에 있어서, 상기 필터패스는 입력단에 선택스위치와, 출력단에 다수의 출력을 위해 경로를 선택하여 전송하는 트랜스포머와; 상기 트랜스포머에서 전송된 신호를 증폭하는 증폭기와; 상기 증폭기에서 증폭된 신호를 2개의 출력으로 분할하는 전력디바이더를 더 포함하는 전치 필터.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060032773A KR100749071B1 (ko) | 2006-04-11 | 2006-04-11 | 전치 필터 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060032773A KR100749071B1 (ko) | 2006-04-11 | 2006-04-11 | 전치 필터 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR100749071B1 true KR100749071B1 (ko) | 2007-08-13 |
Family
ID=38602799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020060032773A KR100749071B1 (ko) | 2006-04-11 | 2006-04-11 | 전치 필터 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100749071B1 (ko) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10150395A (ja) | 1996-11-20 | 1998-06-02 | Hitachi Ltd | スイッチ回路およびスイッチならびに無線装置 |
US6282408B1 (en) * | 1997-12-09 | 2001-08-28 | Samsung Electronics Co., Ltd. | Apparatus and method for measuring air interference of a base station |
US6545564B1 (en) * | 2000-04-25 | 2003-04-08 | Signal Technology Corporation | RF signal divider |
US6804502B2 (en) * | 2001-10-10 | 2004-10-12 | Peregrine Semiconductor Corporation | Switch circuit and method of switching radio frequency signals |
US7054600B2 (en) * | 2001-04-30 | 2006-05-30 | Lucent Technologies Inc. | Channel-selective amplifier with tunable filter |
-
2006
- 2006-04-11 KR KR1020060032773A patent/KR100749071B1/ko active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10150395A (ja) | 1996-11-20 | 1998-06-02 | Hitachi Ltd | スイッチ回路およびスイッチならびに無線装置 |
US6282408B1 (en) * | 1997-12-09 | 2001-08-28 | Samsung Electronics Co., Ltd. | Apparatus and method for measuring air interference of a base station |
US6545564B1 (en) * | 2000-04-25 | 2003-04-08 | Signal Technology Corporation | RF signal divider |
US7054600B2 (en) * | 2001-04-30 | 2006-05-30 | Lucent Technologies Inc. | Channel-selective amplifier with tunable filter |
US6804502B2 (en) * | 2001-10-10 | 2004-10-12 | Peregrine Semiconductor Corporation | Switch circuit and method of switching radio frequency signals |
Non-Patent Citations (4)
Title |
---|
US6282408 BA |
US6545564 BA |
US6804502 BA |
US7054600 BA |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2001036363A (ja) | 利得可変増幅器 | |
JP2007116259A (ja) | 増幅器 | |
KR970013825A (ko) | 송신될 신호의 이득을 조정하는 송신장치 및 방법과, 수신신호의 이득을 조정하는 수신장치 및 방법(transmitting apparatus and method of adjusting gain of signal to be transmitted, and receiving apparatus and method of adjusting gain of received signal) | |
KR970031244A (ko) | 가변출력을 갖는 전력증폭장치(power amplifier system with variable output) | |
US6600377B2 (en) | Gain control amplifier | |
KR100420888B1 (ko) | 신호증폭기 | |
JPH09135131A (ja) | 可変利得増幅器 | |
US20090022337A1 (en) | Signal amplifier circuit | |
KR100749071B1 (ko) | 전치 필터 | |
US6172559B1 (en) | Variable gain amplifying device | |
US8077881B2 (en) | Sound device | |
US20160352300A1 (en) | Digital Signal Processor and Audio Device | |
US6946907B2 (en) | Common mode feedback amplifier | |
US20040095184A1 (en) | Driving circuit and driving method of light emitting device and optical communication apparatus | |
US4987606A (en) | Wide band transmission system with biasing of gain control circuit | |
US20110090010A1 (en) | Variable gain amplification device | |
JP2009290520A (ja) | トランスインピーダンスアンプ、レギュレイテッド型トランスインピーダンスアンプ及び光受信器 | |
EP3651149B1 (en) | Distortion imparting device and distortion imparting method | |
KR20070082993A (ko) | 고주파 감쇄기 | |
US8242838B2 (en) | Amplifier with wide gain range | |
JP7128026B2 (ja) | 基準信号選択回路 | |
KR100735670B1 (ko) | 능동소자를 이용한 구형파 생성회로 | |
US7795972B2 (en) | Automatic gain control apparatus and technique | |
JP2769929B2 (ja) | 対数増幅装置 | |
KR100672079B1 (ko) | 오디오 증폭기 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20130527 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20140605 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20150605 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20160525 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20170529 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20180518 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20190610 Year of fee payment: 13 |