JP6267318B2 - デジタル的に制御される注入同期発振器 - Google Patents
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Classifications
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- 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
- 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
- H03B5/1237—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
- H03B5/1243—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 the means comprising voltage variable capacitance diodes
-
- 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
- H03B5/1262—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 switched elements
- H03B5/1265—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 switched elements switched capacitors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
- H03D3/22—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by means of active elements with more than two electrodes to which two signals are applied derived from the signal to be demodulated and having a phase difference related to the frequency deviation, e.g. phase detector
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- 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
- H03B2200/007—Generation of oscillations based on harmonic frequencies, e.g. overtone oscillators
-
- 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
- H03B2200/0074—Locking of an oscillator by injecting an input signal directly into the 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
- H03B2201/00—Aspects of oscillators relating to varying the frequency of the oscillations
- H03B2201/02—Varying the frequency of the oscillations by electronic means
- H03B2201/0208—Varying the frequency of the oscillations by electronic means the means being an element with a variable capacitance, e.g. capacitance diode
-
- 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
- H03B2201/00—Aspects of oscillators relating to varying the frequency of the oscillations
- H03B2201/02—Varying the frequency of the oscillations by electronic means
- H03B2201/0275—Varying the frequency of the oscillations by electronic means the means delivering several selected voltages or currents
- H03B2201/0283—Varying the frequency of the oscillations by electronic means the means delivering several selected voltages or currents the means functioning digitally
- H03B2201/0291—Varying the frequency of the oscillations by electronic means the means delivering several selected voltages or currents the means functioning digitally and being controlled by a processing device, e.g. a microprocessor
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Description
本出願は、以下の同時係属中の出願に関連し、それらのすべては、その全体が参照により本明細書に組み込まれる。
2013年3月15日に出願された「POLAR RECEIVER ARCHITECTURE AND SIGNAL PROCESSING METHODS」と題する米国出願第13/840478号、2013年3月15日に出願された「POLAR RECEIVER SIGNAL PROCESSING APPARATUS AND METHODS」と題する米国出願第13/839557号、2013年3月15日に出願された「LNA WITH LINEARIZED GAIN OVER EXTENDED DYNAMIC RANGE」と題する米国出願第13/839462号、および2013年3月15日に出願された「SINGLE−BIT DIRECT MODULATION TRANSMITTER」と題する米国出願第13/842470号。
Claims (20)
- デジタル制御されるコンデンサバンクを有するタンク回路と、前記タンク回路に結合される交差結合された差動トランジスタペアと、少なくとも一つの信号注入ノードと、圧縮された可変位相成分を有する注入同期出力信号を提供するように構成された少なくとも一つの出力ノードとを備える注入ロッキング発振器(ILO)と、
周波数fcを有する搬送波信号の可変位相成分を有する変調された信号である入力信号を受信するように構成された前記少なくとも一つの信号注入ノードと、
前記コンデンサバンクに制御信号を印加して前記タンク回路の共振周波数を調整し、高調波周波数fc/2からずれるように構成された前記コンデンサバンクに接続されたILOコントローラと
を備えることを特徴とする装置。 - 前記デジタル制御されるコンデンサバンクは、2つの可変コンデンサ要素を含み、前記少なくとも一つの信号注入ノードは、前記2つの可変コンデンサ要素間に配置された共通のモードノードであることを特徴とする請求項1に記載の装置。
- 前記少なくとも一つの信号注入ノードは、共通モード注入ノードであることを特徴とする請求項1に記載の装置。
- 注入比回路は、調整可能な注入信号を提供する前記コントローラに接続された複数の並行のステージを有することを特徴とする請求項1に記載の装置。
- 前記複数の並行のステージの各々は、可変相互コンダクタンス増幅ステージを備えることを特徴とする請求項4に記載の装置。
- 前記可変相互コンダクタンス増幅ステージは、異なるゲインの量を提供する少なくともいくつかの相互コンダクタンスステージを含むことを特徴とする請求項5に記載の装置。
- 前記並行のステージは複数の並行の注入トランジスタを備えることを特徴とする請求項4に記載の装置。
- 注入比回路はバイアス電流調整回路を含むことを特徴とする請求項1に記載の装置。
- 前記交差結合された差動トランジスタペアのそれぞれのソースは、共有のノードに結合され、前記少なくとも一つの信号注入ノードは、第1のトランジスタのゲートであり、前記第1のトランジスタのドレインは、第2のトランジスタを介して前記共有のノードに接続され、前記第1のトランジスタのソースは、グラウンドにシャントされることを特徴とする請求項1に記載の装置。
- 前記ILOコントローラは、共振周波数を決定するように構成された周波数検出器を備え、前記コントローラは、前記コンデンサを調整し、前記ILOの自走周波数を調整することを特徴とする請求項1に記載の装置。
- 前記周波数検出器は、設定可能なカウンタを備えることを特徴とする請求項10に記載の装置。
- 前記ILOの質の要因は、前記タンク回路の抵抗コンポーネントの変更により調整されることを特徴とする請求項1に記載の装置。
- 前記入力信号及び前記注入同期出力信号を受信するように構成された入力を有し、ミキサ出力ノードにおける出力信号を提供するように構成されたミキサと、
前記ミキサ出力ノードの前記出力信号に基づいて、前記入力信号と前記注入同期出力信号との間のILO遅延特性を調整する制御回路とをさらに備えることを特徴とする請求項1に記載の装置。 - 可変位相成分を有する受け取られた変調済み信号の搬送波周波数fcを決定することと、
前記ILOの自走周波数が高調波周波数fc/2に対してずれるよう、注入ロッキング発振器(ILO)におけるタンク回路のデジタル制御されるコンデンサバンクを調整することと、
前記受け取られた変調済み信号を前記ILOに注入することと、
圧縮された可変位相成分を有する注入同期出力信号を生成することと
を含むことを特徴とする方法。 - 前記ILOの性能を測定すること、及び応答可能なようにデジタル制御される前記タンク回路のレジスタバンクを調整することをさらに備えることを特徴とする請求項14に記載の方法。
- 前記ILOの性能を計測することは、前記ILOの前記自走周波数を計測することを含むことを特徴とする請求項15に記載の方法。
- 前記ILOの性能を計測することは、
前記ILOの入力及び前記ILOの出力を混合することによりミキサ出力を生成することと、
前記ミキサ出力のDCオフセット要素を計測することとを含むことを特徴とする請求項15に記載の方法。 - デジタル制御されるコンデンサバンクを有するタンク回路と、前記タンク回路に結合された交差結合された差動トランジスタペアと、少なくとも一つの共通モード信号注入ノードと、少なくとも一つの差動モード信号注入ノードと、(i)注入信号が前記一つの共通モード注入ノードに印加されるときの圧縮された可変位相成分、又は(ii)注入信号が前記少なくとも一つの差動モード注入ノードに印加されるときの遅延した可変位相成分、のいずれかを有する注入同期出力信号を提供するように構成された少なくとも一つの出力ノードとを備える注入ロッキング発振器(ILO)と、
(iii)中心周波数fcを有する注入信号を前記少なくとも一つの共通モード注入ノードに印加する、又は(iv)中心周波数fc/2を有する注入信号を前記少なくとも一つの差動モード注入ノードに印加する、のいずれかとなるように構成された注入ノード選択回路であって、前記注入信号は、可変位相成分を有する変調された信号である、注入ノード選択回路と、
デジタル制御されたコンデンサバンク及び前記注入ノード選択回路に接続され、(v)前記注入ノード選択回路に対し、共通モード注入ノードに前記注入信号を印加し、制御信号をコンデンサバンクに印加して、前記タンク回路の共振周波数を調整しfc/2からずれるようにさせる、又は(vi)前記注入ノード選択回路に対し、前記注入信号を差動モード注入ノードに印加し、制御信号を前記コンデンサバンクに印加して、前記タンク回路の共振周波数を調整し、fc/2からずれるようにさせる、のいずれかとなるように構成されたILO制御回路と
を備えることを特徴とする装置。 - ILO制御回路は、有限状態機械であることを特徴とする請求項18に記載の装置。
- 信号注入比を調整するように構成された注入比回路をさらに備え、前記ILO制御回路は、前記注入比回路に接続され、信号注入比を調整するように構成されたことを特徴とする請求項18に記載の装置。
Applications Claiming Priority (3)
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US13/840,379 | 2013-03-15 | ||
US13/840,379 US9024696B2 (en) | 2013-03-15 | 2013-03-15 | Digitally controlled injection locked oscillator |
PCT/US2014/029055 WO2014144582A2 (en) | 2013-03-15 | 2014-03-14 | Digitally controlled injection locked oscillator |
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JP2016518748A JP2016518748A (ja) | 2016-06-23 |
JP6267318B2 true JP6267318B2 (ja) | 2018-01-24 |
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WO2014144582A2 (en) | 2014-09-18 |
JP2016518748A (ja) | 2016-06-23 |
CN105103438A (zh) | 2015-11-25 |
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