JP4246622B2 - マイクロ波周波数変換器 - Google Patents
マイクロ波周波数変換器 Download PDFInfo
- Publication number
- JP4246622B2 JP4246622B2 JP2003434888A JP2003434888A JP4246622B2 JP 4246622 B2 JP4246622 B2 JP 4246622B2 JP 2003434888 A JP2003434888 A JP 2003434888A JP 2003434888 A JP2003434888 A JP 2003434888A JP 4246622 B2 JP4246622 B2 JP 4246622B2
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- frequency converter
- gain
- state
- microwave frequency
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 230000002238 attenuated effect Effects 0.000 claims description 14
- 230000003321 amplification Effects 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 description 8
- 229920006395 saturated elastomer Polymers 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- 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
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
- G01S7/285—Receivers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/35—Details of non-pulse systems
- G01S7/352—Receivers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Radar Systems Or Details Thereof (AREA)
- Control Of Amplification And Gain Control (AREA)
- Superheterodyne Receivers (AREA)
Description
2−サーキュレータ
3−アンテナ
4−リミッタ
5−周波数変換器
6−局部発振器
7−IF増幅器
8−信号処理回路
9−レーダ表示装置(PPI)
10−リミッタ
11−リミッタの入力端子
12−RF増幅器
13−ダブルバランスミキサ
14−局部発振器
15−IF出力合成器
16−IF出力端子
17−PINスイッチ
18−RF入力
19−トリガ入力
20−制御回路
21−RF増幅器
25−FET
26−オペアンプ
R1、R2、R3、R4−抵抗
Claims (4)
- ゲインを増幅状態から減衰状態の範囲で任意の値に切り替えることが可能なRF増幅器と、該RF増幅器にゲイン制御電圧を印加する制御回路20とを含み、前記制御回路20は、送信部が発振している時間およびその前後の時間を含む期間のみRF増幅器のゲインを減衰状態にし、それ以外の期間では増幅状態にするように、前記RF増幅器に印加するゲイン制御電圧を制御することを特徴とするマイクロ波周波数変換器。
- 前記制御回路20は、前記ゲイン制御電圧を連続的に変化させることで、RF増幅器のゲインを、増幅状態の所定のゲイン値から減衰状態の所定のゲイン値、または減衰状態の所定のゲイン値から増幅状態の所定のゲイン値に、連続的に切り替えることを特徴とする請求項1記載のマイクロ波周波数変換器。
- 前記制御回路20は、前記ゲイン制御電圧を瞬時に変化させることで、RF増幅器のゲインを、増幅状態の所定のゲイン値から減衰状態の所定のゲイン値、または減衰状態の所定のゲイン値から増幅状態の所定のゲイン値に、瞬時に切り替えることを特徴とする請求項1記載のマイクロ波周波数変換器。
- 前記RF増幅器は、ゲートに負電圧、ドレインに正電圧を印加して動作するFET素子またはHEMT素子を用い、前記制御回路20は、前記素子のゲートおよびドレインに印加されるゲート電圧とドレイン電圧を同時にON/OFFし、ONにしたときにはRF増幅器のゲインを減衰状態にし、OFFにしたときにはRF増幅器のゲインを増幅状態にするように切り替えることを特徴とする請求項3記載のマイクロ波周波数変換器。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003434888A JP4246622B2 (ja) | 2003-12-26 | 2003-12-26 | マイクロ波周波数変換器 |
GB0612948A GB2424331B (en) | 2003-12-26 | 2004-12-20 | Microwave Frequency Converter |
PCT/JP2004/019497 WO2005067156A2 (ja) | 2003-12-26 | 2004-12-20 | マイクロ波周波数変換器 |
US10/584,414 US8509684B2 (en) | 2003-12-26 | 2004-12-20 | Microwave frequency converter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003434888A JP4246622B2 (ja) | 2003-12-26 | 2003-12-26 | マイクロ波周波数変換器 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005197774A JP2005197774A (ja) | 2005-07-21 |
JP2005197774A5 JP2005197774A5 (ja) | 2007-02-15 |
JP4246622B2 true JP4246622B2 (ja) | 2009-04-02 |
Family
ID=34746901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003434888A Expired - Lifetime JP4246622B2 (ja) | 2003-12-26 | 2003-12-26 | マイクロ波周波数変換器 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8509684B2 (ja) |
JP (1) | JP4246622B2 (ja) |
GB (1) | GB2424331B (ja) |
WO (1) | WO2005067156A2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009010604A (ja) * | 2007-06-27 | 2009-01-15 | Sharp Corp | 受信装置 |
EP2594968A4 (en) * | 2010-07-14 | 2017-01-11 | Hitachi, Ltd. | Measurement device |
US9544543B2 (en) | 2011-02-11 | 2017-01-10 | Tangome, Inc. | Augmenting a video conference |
US8665307B2 (en) | 2011-02-11 | 2014-03-04 | Tangome, Inc. | Augmenting a video conference |
JP5963573B2 (ja) * | 2012-06-29 | 2016-08-03 | 古野電気株式会社 | レーダ装置 |
DE102016117920B4 (de) * | 2016-09-22 | 2018-04-05 | Endress + Hauser Gmbh + Co. Kg | Frequenzwandler-Schaltung für ein Radar-basiertes Messgerät |
Family Cites Families (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01112486U (ja) | 1988-01-22 | 1989-07-28 | ||
US5006812A (en) * | 1989-08-01 | 1991-04-09 | Rockwell International Corporation | Power amplifier with built-in test circuit |
JPH0769414B2 (ja) | 1990-02-16 | 1995-07-31 | 日本無線株式会社 | 超音波探知用受信装置 |
EP0453223B1 (en) * | 1990-04-17 | 1997-09-10 | Canon Kabushiki Kaisha | Automatic loop gain control apparatus |
JP3234988B2 (ja) | 1992-01-07 | 2001-12-04 | 古野電気株式会社 | 水中探知装置 |
JP2614157B2 (ja) | 1992-01-14 | 1997-05-28 | アンリツ株式会社 | Stc制御信号発生回路 |
JP3243052B2 (ja) | 1993-03-26 | 2002-01-07 | 株式会社光電製作所 | サンプリング受信装置 |
JPH07175535A (ja) * | 1993-12-16 | 1995-07-14 | Nec Corp | Fet増幅器用電源回路 |
JP2704136B2 (ja) * | 1995-06-20 | 1998-01-26 | 埼玉日本電気株式会社 | 無線送受信機 |
JPH09127239A (ja) | 1995-11-02 | 1997-05-16 | Nissan Motor Co Ltd | レーダ装置 |
KR100243489B1 (ko) * | 1995-11-22 | 2000-02-01 | 니시무로 타이죠 | 주파수 변환기 및 이를 이용한 무선 수신기 |
US5809090A (en) * | 1996-03-04 | 1998-09-15 | Glenayre Electronics, Inc. | Digital diversity receiver system |
US6055418A (en) * | 1996-07-05 | 2000-04-25 | Thomcast Communications, Inc. | Computer program product configured to control modular transmission system components |
KR100193848B1 (ko) * | 1996-10-05 | 1999-06-15 | 윤종용 | 대역확산통신기에 있어서 수신신호 이득 자동제어장치 및 방법 |
US6373398B2 (en) * | 1997-06-10 | 2002-04-16 | Kabushiki Kaisha Toshiba | Automobile tuner system |
JPH11136154A (ja) * | 1997-10-31 | 1999-05-21 | Sony Corp | 受信装置 |
JPH11196015A (ja) * | 1997-12-26 | 1999-07-21 | Alps Electric Co Ltd | 受信回路 |
CN1155152C (zh) * | 1998-04-24 | 2004-06-23 | 松下电器产业株式会社 | 放大器 |
US6104241A (en) * | 1998-11-18 | 2000-08-15 | Spectrian | High efficiency feed-forward RF power amplifier with predistoration enchancement |
JP2001111447A (ja) | 1999-10-12 | 2001-04-20 | Ekusa Technology:Kk | マイクロ波周波数変換器 |
US6684064B2 (en) * | 2000-03-29 | 2004-01-27 | Interdigital Technology Corp. | Dynamic bias for RF power amplifiers |
US6625238B2 (en) * | 2000-03-29 | 2003-09-23 | Sony Corporation | Low power and high linearity receivers with reactively biased front ends |
US7003275B1 (en) * | 2000-05-18 | 2006-02-21 | Broadband Innovations, Inc. | Agile frequency converter for multichannel systems using IF-RF level exhange and tunable filters |
US20020098803A1 (en) * | 2000-12-20 | 2002-07-25 | Matthew Poulton | Apparatus for providing variable control of the gain of an RF amplifier |
US6859102B2 (en) * | 2001-09-27 | 2005-02-22 | Powerq Technologies, Inc. | Amplifier circuit and method |
JP2003107147A (ja) | 2001-09-28 | 2003-04-09 | Toshiba Corp | レーダ装置 |
GB0123441D0 (en) * | 2001-09-29 | 2001-11-21 | Smiths Group Plc | Electrical circuits |
US7042634B2 (en) * | 2002-03-14 | 2006-05-09 | Nippon Telegraph And Telephone Corporation | Optical amplifier |
GB0212740D0 (en) * | 2002-05-31 | 2002-07-10 | Hitachi Ltd | Transmitter and wireless communication apparatus using the transmitter |
US7490345B2 (en) * | 2002-07-08 | 2009-02-10 | Terayon Communications Systems, Inc. | Upstream only linecard with front end multiplexer for CMTS |
JP3822163B2 (ja) * | 2002-10-23 | 2006-09-13 | パイオニア株式会社 | Agcシステム |
EP1471649B1 (en) * | 2003-04-25 | 2007-04-04 | Fujitsu Ten Limited | Antenna amplifier and shared antenna amplifier |
US7107025B2 (en) * | 2003-04-25 | 2006-09-12 | Broadcom Corporation | High gain, highly linear mixer |
US7215278B2 (en) * | 2003-11-16 | 2007-05-08 | Preco Electronics, Inc | Radar frequency hopping |
-
2003
- 2003-12-26 JP JP2003434888A patent/JP4246622B2/ja not_active Expired - Lifetime
-
2004
- 2004-12-20 US US10/584,414 patent/US8509684B2/en active Active
- 2004-12-20 GB GB0612948A patent/GB2424331B/en active Active
- 2004-12-20 WO PCT/JP2004/019497 patent/WO2005067156A2/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
JP2005197774A (ja) | 2005-07-21 |
US8509684B2 (en) | 2013-08-13 |
WO2005067156A2 (ja) | 2005-07-21 |
GB2424331A (en) | 2006-09-20 |
GB0612948D0 (en) | 2006-08-23 |
GB2424331B (en) | 2007-06-27 |
US20070210954A1 (en) | 2007-09-13 |
WO2005067156A3 (ja) | 2005-09-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20080080599A1 (en) | Heterodyne rf transceiver for radar sensor | |
US6362777B1 (en) | Pulse-doppler radar apparatus | |
US10955527B2 (en) | Radar signal processor and radar system | |
JP2006064644A (ja) | パルス波レーダー装置 | |
AU2003239927A1 (en) | An accurate range calibration architecture for pulsed doppler radar systems | |
JP4246622B2 (ja) | マイクロ波周波数変換器 | |
US20070115170A1 (en) | Transmitting-receiving module of radar system | |
JP2008045987A (ja) | レーダ装置、及びレーダ装置の近距離ターゲットの検出方法 | |
JP2561930B2 (ja) | レーダー・トランスポンダ | |
US4342998A (en) | Pulsed radio frequency transmitting and receiving system | |
US9041599B2 (en) | Radar receiver, and radar device equipped with same | |
KR101029598B1 (ko) | 레이더 수신기 | |
US20020075181A1 (en) | Radar transceiver | |
KR20010110389A (ko) | 전계효과 트랜지스터를 적용한 주파수변환기를 이용한마이크로웨이브 감지장치 | |
US7075477B2 (en) | Radar | |
JP2009281868A (ja) | マイクロ波周波数変換器、レーダ受信機 | |
JP4252225B2 (ja) | 地中レーダ装置およびその距離感度制御回路 | |
KR102291920B1 (ko) | 임펄스 송수신기 | |
JPH0972955A (ja) | レーダ受信機 | |
JP4419288B2 (ja) | レーダ装置 | |
JP2008191088A (ja) | レーダ装置 | |
JP2001111447A (ja) | マイクロ波周波数変換器 | |
JPH0915322A (ja) | レーダ用送受信機 | |
JP4080369B2 (ja) | マイクロ波レベルスイッチ | |
JP2000081478A (ja) | レーダ用送受信機 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20061225 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20061225 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20081209 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20090108 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4246622 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120116 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130116 Year of fee payment: 4 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140116 Year of fee payment: 5 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140116 Year of fee payment: 5 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140116 Year of fee payment: 5 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
EXPY | Cancellation because of completion of term |