JP3948466B2 - 高周波信号受信装置 - Google Patents
高周波信号受信装置 Download PDFInfo
- Publication number
- JP3948466B2 JP3948466B2 JP2004146917A JP2004146917A JP3948466B2 JP 3948466 B2 JP3948466 B2 JP 3948466B2 JP 2004146917 A JP2004146917 A JP 2004146917A JP 2004146917 A JP2004146917 A JP 2004146917A JP 3948466 B2 JP3948466 B2 JP 3948466B2
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- Japan
- Prior art keywords
- frequency
- signal
- circuit
- harmonic
- oscillation output
- 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 - Fee Related
Links
- 230000010355 oscillation Effects 0.000 claims description 100
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 239000000284 extract Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 230000008054 signal transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/20—Circuitry for controlling amplitude response
- H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
- H04N5/208—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/0805—Details of the phase-locked loop the loop being adapted to provide an additional control signal for use outside the loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/24—Continuous tuning of more than one resonant circuit simultaneously, the circuits being tuned to substantially the same frequency, e.g. for single-knob tuning
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
-
- 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
- H04B1/16—Circuits
- H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
-
- 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
- H03D7/16—Multiple-frequency-changing
- H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
- H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
- H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Superheterodyne Receivers (AREA)
- Noise Elimination (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Description
4 ミキサ回路、 5 局部発振出力回路部、 51 発振回路、
52 高調波出力回路、 53 共振回路、 6 PLL回路部、
61 分周器、 62 位相比較器、 63 周波数−電圧変換器、
100 ディジタルチューナ回路、 101 アンテナ、 110 入力回路、
111 ハイパスフィルタ(HPF)、 112,113 RF増幅回路、
114 AGC回路、 115 高周波信号受信回路部、 116 発振回路、
117 高調波発生回路、 118 共振回路、 119 PLL選局回路
Claims (4)
- 放送衛星又は通信衛星からの放送信号を受信して得られる高周波信号をベースバンド信号に変換するダイレクトコンバージョン方式を用いる高周波信号受信装置において、
上記高周波信号を入力する入力回路と、
上記入力回路からの信号の中の選局を希望する周波数の信号をベースバンド信号に変換するためのミキサ回路と、
上記ミキサ回路に、上記入力回路からの信号と混合する上記選局を希望する周波数と同じ周波数の信号を供給する局部発振出力回路部とを有し、
上記局部発振出力回路部は、制御信号により発振周波数が制御される原発振器と、この原発振器の出力信号の高調波となる上記選局を希望する周波数の信号を取り出す高調波出力回路とを有してなり、
上記入力回路は、上記高周波信号の信号経路に設けられ、上記制御信号により同調周波数が制御可能であって、上記選局を希望する周波数に同調して上記選局を希望する周波数の上記高周波信号を増強可能な同調回路と、上記高周波信号の信号経路に設けられ、上記制御信号により同調周波数が制御可能であって、上記選局を希望する周波数としての高調波以外の高調波の周波数に同調して、上記選局を希望する周波数としての高調波以外の高調波の周波数に対応する放送信号を除去可能なトラップ回路とを有する
ことを特徴とする高周波信号受信装置。 - 上記局部発振出力回路部の原発振器からの原発振出力信号が入力されるPLL回路部を有し、
このPLL回路部からの制御電圧により、上記局部発振出力回路部の原発振器の共振周波数を制御するとともに、上記入力回路の周波数特性を制御することを特徴とする請求項1記載の高周波信号受信装置。 - 上記PLL回路部は、上記局部発振出力回路部の原発振器からの原発振出力信号を選局信号に応じた分周比で分周する分周器と、この分周器からの出力を基準周波数と比較する位相比較器と、この位相比較器からの出力信号を上記制御電圧に変換する周波数−電圧変換器とを有してなることを特徴とする請求項2記載の高周波信号受信装置。
- 上記局部発振出力回路部の高調波出力回路は、上記原発振器からの原発振出力信号の4次高調波を取り出し、
上記入力回路は、上記原発振出力信号の3次高調波を除去することを特徴とする請求項1記載の高周波信号受信装置。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004146917A JP3948466B2 (ja) | 2003-06-18 | 2004-05-17 | 高周波信号受信装置 |
US10/869,140 US7373132B2 (en) | 2003-06-18 | 2004-06-16 | High frequency signal receiver |
KR1020040044802A KR101008056B1 (ko) | 2003-06-18 | 2004-06-17 | 고주파 신호 수신 장치 |
TW093117543A TWI254575B (en) | 2003-06-18 | 2004-06-17 | High frequency signal receiving device |
CNB2004100794619A CN100379271C (zh) | 2003-06-18 | 2004-06-18 | 高频信号接收机 |
EP04253664A EP1489753B1 (en) | 2003-06-18 | 2004-06-18 | High frequency signal receiver |
DE602004014442T DE602004014442D1 (de) | 2003-06-18 | 2004-06-18 | Hochfrequenz-Signalempfänger |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003173822 | 2003-06-18 | ||
JP2004146917A JP3948466B2 (ja) | 2003-06-18 | 2004-05-17 | 高周波信号受信装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005033772A JP2005033772A (ja) | 2005-02-03 |
JP3948466B2 true JP3948466B2 (ja) | 2007-07-25 |
Family
ID=33422171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004146917A Expired - Fee Related JP3948466B2 (ja) | 2003-06-18 | 2004-05-17 | 高周波信号受信装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7373132B2 (ja) |
EP (1) | EP1489753B1 (ja) |
JP (1) | JP3948466B2 (ja) |
KR (1) | KR101008056B1 (ja) |
CN (1) | CN100379271C (ja) |
DE (1) | DE602004014442D1 (ja) |
TW (1) | TWI254575B (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8050636B2 (en) * | 2005-11-30 | 2011-11-01 | Broadcom Corporation | Apparatus and method for generating RF without harmonic interference |
CN100450230C (zh) * | 2005-12-02 | 2009-01-07 | 华为技术有限公司 | 一种射频远端模块中时钟恢复方法和装置 |
JP2008182302A (ja) * | 2007-01-23 | 2008-08-07 | Matsushita Electric Ind Co Ltd | 高周波信号受信部とこれを用いた高周波信号受信装置 |
US9374100B2 (en) * | 2009-07-01 | 2016-06-21 | Qualcomm Incorporated | Low power LO distribution using a frequency-multiplying subharmonically injection-locked oscillator |
US8718588B2 (en) * | 2011-08-04 | 2014-05-06 | Mediatek Inc. | Signal processing circuit having mixer units using oscillation signals with different phases and frequency-selective combining block for frequency-selectively combining outputs of mixer units and related method thereof |
JP2013070339A (ja) * | 2011-09-26 | 2013-04-18 | Sharp Corp | 低雑音コンバータ |
US20140272802A1 (en) * | 2013-02-21 | 2014-09-18 | Nathan Y. LI | Multi-taper dental root canal filling points/cones and process of making same |
CN103248924B (zh) * | 2013-04-25 | 2017-12-12 | 深圳微普特信息技术有限公司 | 一种用于数字电视机顶盒的抑制二次谐波的方法和装置 |
CN109660302B (zh) * | 2018-12-05 | 2021-08-03 | 中国人民解放军国防科技大学 | 一种基于数字延时线单元的射频脉宽调制器及调制方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9116051D0 (en) | 1991-07-24 | 1991-09-11 | Phase Track Limited | Am receiver system |
JP3311368B2 (ja) | 1991-07-29 | 2002-08-05 | 株式会社日立製作所 | 半導体回路 |
US5263197A (en) | 1991-09-20 | 1993-11-16 | Matsushita Communication Industrial Corporation Of America | Dual port oscillator for two-stage direct conversion receiver |
WO1997038525A1 (fr) * | 1996-04-04 | 1997-10-16 | Sony Corporation | Recepteur de television |
JPH11331011A (ja) | 1998-05-08 | 1999-11-30 | Sharp Corp | ダイレクトコンバージョン方式デジタルチューナ |
US6091940A (en) * | 1998-10-21 | 2000-07-18 | Parkervision, Inc. | Method and system for frequency up-conversion |
US7236754B2 (en) * | 1999-08-23 | 2007-06-26 | Parkervision, Inc. | Method and system for frequency up-conversion |
JP3490023B2 (ja) | 1999-04-20 | 2004-01-26 | アルプス電気株式会社 | テレビジョン信号受信チューナ |
JP4066446B2 (ja) | 1999-05-11 | 2008-03-26 | ソニー株式会社 | 受信装置および方法 |
JP2001077875A (ja) | 1999-09-01 | 2001-03-23 | Sharp Corp | デジタル衛星放送受信機フロントエンド |
JP3563678B2 (ja) | 2000-08-30 | 2004-09-08 | シャープ株式会社 | 高周波受信装置 |
JP2002190750A (ja) | 2000-12-21 | 2002-07-05 | Sony Corp | 周波数変換装置 |
JP2003152558A (ja) | 2001-11-14 | 2003-05-23 | Matsushita Electric Ind Co Ltd | 無線回路 |
-
2004
- 2004-05-17 JP JP2004146917A patent/JP3948466B2/ja not_active Expired - Fee Related
- 2004-06-16 US US10/869,140 patent/US7373132B2/en not_active Expired - Fee Related
- 2004-06-17 TW TW093117543A patent/TWI254575B/zh not_active IP Right Cessation
- 2004-06-17 KR KR1020040044802A patent/KR101008056B1/ko not_active IP Right Cessation
- 2004-06-18 EP EP04253664A patent/EP1489753B1/en not_active Expired - Fee Related
- 2004-06-18 DE DE602004014442T patent/DE602004014442D1/de not_active Expired - Lifetime
- 2004-06-18 CN CNB2004100794619A patent/CN100379271C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR20040111093A (ko) | 2004-12-31 |
US7373132B2 (en) | 2008-05-13 |
US20050028210A1 (en) | 2005-02-03 |
DE602004014442D1 (de) | 2008-07-31 |
TW200501743A (en) | 2005-01-01 |
EP1489753A3 (en) | 2005-03-09 |
EP1489753B1 (en) | 2008-06-18 |
KR101008056B1 (ko) | 2011-01-13 |
CN100379271C (zh) | 2008-04-02 |
CN1585284A (zh) | 2005-02-23 |
EP1489753A2 (en) | 2004-12-22 |
JP2005033772A (ja) | 2005-02-03 |
TWI254575B (en) | 2006-05-01 |
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