JP6615406B2 - Iq信号源 - Google Patents
Iq信号源 Download PDFInfo
- Publication number
- JP6615406B2 JP6615406B2 JP2019504269A JP2019504269A JP6615406B2 JP 6615406 B2 JP6615406 B2 JP 6615406B2 JP 2019504269 A JP2019504269 A JP 2019504269A JP 2019504269 A JP2019504269 A JP 2019504269A JP 6615406 B2 JP6615406 B2 JP 6615406B2
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- controlled oscillator
- phase
- input terminal
- vco
- 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.)
- Active
Links
- 230000010355 oscillation Effects 0.000 claims description 45
- 239000003990 capacitor Substances 0.000 claims description 37
- 230000008878 coupling Effects 0.000 claims description 23
- 238000010168 coupling process Methods 0.000 claims description 23
- 238000005859 coupling reaction Methods 0.000 claims description 23
- 238000010586 diagram Methods 0.000 description 20
- 230000007423 decrease Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000001934 delay Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1206—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device using multiple transistors for amplification
- H03B5/1212—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device using multiple transistors for amplification the amplifier comprising a pair of transistors, wherein an output terminal of each being connected to an input terminal of the other, e.g. a cross coupled pair
- H03B5/1215—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device using multiple transistors for amplification the amplifier comprising a pair of transistors, wherein an output terminal of each being connected to an input terminal of the other, e.g. a cross coupled pair the current source or degeneration circuit being in common to both transistors of the pair, e.g. a cross-coupled long-tailed pair
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B27/00—Generation of oscillations providing a plurality of outputs of the same frequency but differing in phase, other than merely two anti-phase outputs
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1228—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier comprising one or more field effect transistors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1231—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier comprising one or more bipolar transistors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1237—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator
- H03B5/124—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising a voltage dependent capacitance
-
- 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
- H03L7/07—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop using several loops, e.g. for redundant clock signal generation
-
- 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
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
-
- 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
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/087—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using at least two phase detectors or a frequency and phase detector in the loop
-
- 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
- H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
-
- 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
- H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
- H03L7/0995—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator comprising a ring oscillator
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
- H03B2200/006—Functional aspects of oscillators
- H03B2200/0078—Functional aspects of oscillators generating or using signals in quadrature
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L2207/00—Indexing scheme relating to automatic control of frequency or phase and to synchronisation
- H03L2207/06—Phase locked loops with a controlled oscillator having at least two frequency control terminals
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Description
図1は、本発明の実施の形態1に係るIQ信号源の要部を示す回路図である。図2Aは、本発明の実施の形態1に係る第1VCOの要部を示す回路図である。図2Bは、本発明の実施の形態1に係る第2VCOの要部を示す回路図である。図3Aは、本発明の実施の形態1に係る位相検出器に対応する乗算器を示す説明図である。図3Bは、図3Aに示す乗算器における入力位相差に対する出力電圧を示す特性図である。図1〜図3を参照して、実施の形態1のIQ信号源100について説明する。
図7は、本発明の実施の形態2に係るIQ信号源の要部を示す回路図である。図8Aは、本発明の実施の形態2に係る第1VCOの要部を示す回路図である。図8Bは、本発明の実施の形態2に係る第2VCOの要部を示す回路図である。図7及び図8を参照して、実施の形態2のIQ信号源100aについて説明する。なお、図7において、図1に示すIQ信号源100と同様のブロック等には同一符号を付して説明を省略する。図8において、図2に示す第1VCO1及び第2VCO2と同様の素子等には同一符号を付して説明を省略する。
Claims (12)
- 入力された制御電圧に応じて発振周波数が変化する第1電圧制御発振器及び第2電圧制御発振器を有し、前記第1電圧制御発振器と前記第2電圧制御発振器とが互いに電気的に結合することにより同相信号及び直交信号を出力する直角位相電圧制御発振器と、
前記同相信号又は前記直交信号の周波数と外部から入力された参照信号の周波数との比較結果に応じた電圧を出力する第1位相同期回路と、
前記同相信号と前記直交信号との位相差を検出して、90度に対する当該位相差の差分に応じた電圧を出力する第2位相同期回路と、を備え、
前記第1位相同期回路の出力電圧及び前記第2位相同期回路の出力電圧が前記第1電圧制御発振器に入力される制御電圧となり、かつ、前記第1位相同期回路の出力電圧が前記第2電圧制御発振器に入力される制御電圧となることにより、前記直角位相電圧制御発振器における前記同相信号と前記直交信号との前記位相差が90度に収束するものである
ことを特徴とするIQ信号源。 - 前記第1電圧制御発振器の発振周波数が前記第1位相同期回路の出力電圧及び前記第2位相同期回路の出力電圧により制御され、かつ、前記第2電圧制御発振器の発振周波数が前記第1位相同期回路の出力電圧により制御されることにより、前記位相差が90度に収束するものであることを特徴とする請求項1記載のIQ信号源。
- 前記第1電圧制御発振器及び前記第2電圧制御発振器の各々は、第1電圧入力端子と、第2電圧入力端子と、前記第1電圧入力端子に入力された電圧に基づき発振周波数を制御する第1発振周波数制御手段と、前記第2電圧入力端子に入力された電圧に基づき発振周波数を制御する第2発振周波数制御手段と、を有し、
前記第1電圧制御発振器の前記第1電圧入力端子、前記第2電圧制御発振器の前記第1電圧入力端子及び前記第2電圧制御発振器の前記第2電圧入力端子に前記第1位相同期回路の出力電圧が入力され、かつ、前記第1電圧制御発振器の前記第2電圧入力端子に前記第2位相同期回路の出力電圧が入力されるものである
ことを特徴とする請求項2記載のIQ信号源。 - 前記第2位相同期回路は、前記位相差を検出して、90度に対する前記位相差の誤差に応じた値の電圧を出力する位相検出器と、前記位相検出器の出力電圧を基準電圧と比較して、当該比較の結果に応じた2値の電圧を出力する比較器と、前記比較器の出力電圧に対するフィルタ回路と、を有し、前記位相差に対する負帰還を形成していることを特徴とする請求項3記載のIQ信号源。
- 前記第1発振周波数制御手段が第1可変容量器により構成されており、かつ、前記第2発振周波数制御手段が第2可変容量器により構成されていることを特徴とする請求項3記載のIQ信号源。
- 前記第1可変容量器の容量が前記第2可変容量器の容量に対する10倍以上の値に設定されていることを特徴とする請求項5記載のIQ信号源。
- 前記第1電圧制御発振器に対する前記第2電圧制御発振器の結合量が前記第1位相同期回路の出力電圧により制御され、かつ、前記第2電圧制御発振器に対する前記第1電圧制御発振器の結合量が前記第2位相同期回路の出力電圧により制御されることにより、前記位相差が90度に収束するものであることを特徴とする請求項1記載のIQ信号源。
- 前記第1電圧制御発振器及び前記第2電圧制御発振器の各々は、第1電圧入力端子と、第2電圧入力端子と、前記第1電圧入力端子に入力された電圧に基づき発振周波数を制御する発振周波数制御手段と、前記第2電圧入力端子に入力された電圧に基づき結合量を制御する結合量制御手段と、を有し、
前記第1電圧制御発振器の前記第1電圧入力端子、前記第2電圧制御発振器の前記第1電圧入力端子及び前記第2電圧制御発振器の前記第2電圧入力端子に前記第1位相同期回路の出力電圧が入力され、かつ、前記第1電圧制御発振器の前記第2電圧入力端子に前記第2位相同期回路の出力電圧が入力されるものである
ことを特徴とする請求項7記載のIQ信号源。 - 前記第2位相同期回路は、前記位相差を検出して、90度に対する前記位相差の誤差に応じた値の電圧を出力する位相検出器と、前記位相検出器の出力電圧を基準電圧と比較して、当該比較の結果に応じた2値の電圧を出力する比較器と、前記比較器の出力電圧に対するフィルタ回路と、を有し、前記位相差に対する負帰還を形成していることを特徴とする請求項8記載のIQ信号源。
- 前記結合量制御手段が可変電流源により構成されていることを特徴とする請求項8記載のIQ信号源。
- 前記発振周波数制御手段が可変容量器により構成されていることを特徴とする請求項8記載のIQ信号源。
- 前記直角位相電圧制御発振器が集積回路により構成されていることを特徴とする請求項1記載のIQ信号源。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2017/009727 WO2018163405A1 (ja) | 2017-03-10 | 2017-03-10 | Iq信号源 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2018163405A1 JPWO2018163405A1 (ja) | 2019-11-07 |
JP6615406B2 true JP6615406B2 (ja) | 2019-12-04 |
Family
ID=63447383
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019504269A Active JP6615406B2 (ja) | 2017-03-10 | 2017-03-10 | Iq信号源 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11012078B1 (ja) |
JP (1) | JP6615406B2 (ja) |
WO (1) | WO2018163405A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11482924B2 (en) * | 2018-07-26 | 2022-10-25 | Analog Devices International Unlimited Company | Power isolator exhibiting low electromagnetic interference |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6937107B2 (en) * | 2003-06-30 | 2005-08-30 | Intel Corporation | Device and method of quadrature oscillation |
JP3954059B2 (ja) * | 2004-10-21 | 2007-08-08 | シャープ株式会社 | 発振器、通信装置 |
JP5171603B2 (ja) * | 2008-12-25 | 2013-03-27 | 株式会社東芝 | Pll回路、及び無線機 |
CN101820250B (zh) * | 2010-04-15 | 2012-05-30 | 复旦大学 | 一种宽带正交双模压控振荡器 |
JP5662911B2 (ja) * | 2011-08-31 | 2015-02-04 | ルネサスエレクトロニクス株式会社 | 高周波信号処理装置および無線通信システム |
-
2017
- 2017-03-10 WO PCT/JP2017/009727 patent/WO2018163405A1/ja active Application Filing
- 2017-03-10 JP JP2019504269A patent/JP6615406B2/ja active Active
- 2017-03-10 US US16/478,647 patent/US11012078B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20210135676A1 (en) | 2021-05-06 |
US11012078B1 (en) | 2021-05-18 |
JPWO2018163405A1 (ja) | 2019-11-07 |
WO2018163405A1 (ja) | 2018-09-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8049568B2 (en) | Feedback-based linearization of voltage controlled oscillator | |
US6094103A (en) | Multiple feedback loop ring oscillator and delay cell | |
JP5387187B2 (ja) | クロック信号分配装置 | |
JP5503990B2 (ja) | 位相ロックループ回路およびそれを用いた電子機器 | |
US20080252387A1 (en) | Oscillator | |
JP5844795B2 (ja) | 発振周波数調整装置、発振周波数調整方法及び無線通信装置 | |
JP2008078995A (ja) | 移相回路 | |
JP5876368B2 (ja) | 改良された帯域幅を備える電圧制御発振器を有する位相同期ループ回路 | |
US20110254632A1 (en) | Pll frequency synthesizer | |
US20050265053A1 (en) | Oscillator and semiconductor device | |
JP5515379B2 (ja) | 位相同期回路 | |
JP2015091084A (ja) | 4相出力電圧制御発振器 | |
JP6615406B2 (ja) | Iq信号源 | |
CN104641560A (zh) | Rf逻辑分频器 | |
JP5053413B2 (ja) | 同期回路 | |
JP6338033B1 (ja) | 局部発振器 | |
Pawar et al. | Wide band PLL frequency synthesizer: A survey | |
JP2009225438A (ja) | 発振装置 | |
CN112886928A (zh) | 正交振荡器电路系统及含正交振荡器电路系统的电路系统 | |
JP2020195059A (ja) | サブサンプリング位相同期回路 | |
JP4507070B2 (ja) | 通信装置 | |
EP3566302A1 (en) | Quadrature oscillator | |
KR20160112413A (ko) | 다중 위상 모드 vco 회로 | |
Ramekar et al. | Design and analysis of frequency synthesizer with low power ring oscillator for wireless application | |
TWI477080B (zh) | 雙鎖相環電路及其控制方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20190409 |
|
A871 | Explanation of circumstances concerning accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A871 Effective date: 20190409 |
|
A975 | Report on accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A971005 Effective date: 20190423 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20190702 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190830 |
|
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: 20191008 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20191105 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6615406 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |