DE10339703A1 - Schaltungsanordnung für einen hochauflösenden digital steuerbaren Varaktor - Google Patents

Schaltungsanordnung für einen hochauflösenden digital steuerbaren Varaktor Download PDF

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Publication number
DE10339703A1
DE10339703A1 DE10339703A DE10339703A DE10339703A1 DE 10339703 A1 DE10339703 A1 DE 10339703A1 DE 10339703 A DE10339703 A DE 10339703A DE 10339703 A DE10339703 A DE 10339703A DE 10339703 A1 DE10339703 A1 DE 10339703A1
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DE
Germany
Prior art keywords
varactor
controlled
switching circuit
high resolution
digital input
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.)
Granted
Application number
DE10339703A
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English (en)
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DE10339703B4 (de
Inventor
Dalt Nicola Da
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Infineon Technologies AG
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Infineon Technologies AG
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Publication date
Application filed by Infineon Technologies AG filed Critical Infineon Technologies AG
Priority to DE10339703A priority Critical patent/DE10339703B4/de
Publication of DE10339703A1 publication Critical patent/DE10339703A1/de
Application granted granted Critical
Publication of DE10339703B4 publication Critical patent/DE10339703B4/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • 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
    • H03B5/1246—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 transistors used to provide a variable capacitance
    • H03B5/1253—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 transistors used to provide a variable capacitance the transistors being 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
    • H03B5/1262—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
    • 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
    • H03B5/1293—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 having means for achieving a desired tuning characteristic, e.g. linearising the frequency characteristic across the tuning voltage range
    • 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

Abstract

Die vorliegende Erfindung schafft eine Schaltungsanordnung für einen hochauflösenden digital steuerbaren Varaktor mit einem ersten Metalloxid-Halbleiter-Transistor (27), der einen Source-, Drain-, Gate- und Bulk-Anschluss (3, 4, 14, 6) aufweist, wobei der Source-Anschluss (3) und der Drain-Anschluss (4) zu einem Steueranschluss (5) miteinander verbunden sind und an den Steueranschluss (5) eine Steuerspannung (V¶ctrl¶) angelegt ist, an dem Bulk-Anschluss (6) ein vorbestimmtes Potenzial (V¶ref¶) gelegt ist und zwischen dem Steueranschluss (5) und dem Gate-Anschluss (14) eine steuerbare Kapazität (C¶var¶) abgreifbar ist; mit einer Referenzspannungsquelle (7), die mehrere Referenzspannungen (V¶0¶, V¶1¶, ...V¶N¶) liefert; mit einer Dekodierschaltung (11), die in Abhängigkeit von einem digitalen Steuerwort (12) von mindestens zwei Bit Länge eine der Referenzspannungen (V¶0¶, V¶1¶, ...V¶N¶) an den Steueranschluss (12) schaltet; wobei die Extremwerte der steuerbaren Kapazität (C¶min¶, C¶max¶) den Extremwerten der Steuerspannung (V¶low¶ V¶ctrl¶ V¶high¶) entsprechen.
DE10339703A 2003-08-28 2003-08-28 Schaltungsanordnung für einen hochauflösenden digital steuerbaren Schwingkreis Expired - Fee Related DE10339703B4 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE10339703A DE10339703B4 (de) 2003-08-28 2003-08-28 Schaltungsanordnung für einen hochauflösenden digital steuerbaren Schwingkreis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10339703A DE10339703B4 (de) 2003-08-28 2003-08-28 Schaltungsanordnung für einen hochauflösenden digital steuerbaren Schwingkreis

Publications (2)

Publication Number Publication Date
DE10339703A1 true DE10339703A1 (de) 2005-04-21
DE10339703B4 DE10339703B4 (de) 2006-08-10

Family

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DE10339703A Expired - Fee Related DE10339703B4 (de) 2003-08-28 2003-08-28 Schaltungsanordnung für einen hochauflösenden digital steuerbaren Schwingkreis

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DE (1) DE10339703B4 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006011285A1 (de) * 2006-03-10 2007-09-13 Infineon Technologies Ag Schwingkreisanordnung mit digitaler Steuerung, Verfahren zur Erzeugung eines Schwingungssignals und digitaler Phasenregelkreis mit der Schwingkreisanordnung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2138206A (en) * 1983-02-23 1984-10-17 Clarion Co Ltd Variable capacitor element
JPH02141119A (ja) * 1988-11-22 1990-05-30 Chichibu Cement Co Ltd 可変コンデンサ装置
DE10209517A1 (de) * 2002-03-04 2003-06-26 Infineon Technologies Ag Abstimmbares, kapazitives Bauteil und LC-Oszillator mit dem Bauteil

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2138206A (en) * 1983-02-23 1984-10-17 Clarion Co Ltd Variable capacitor element
JPH02141119A (ja) * 1988-11-22 1990-05-30 Chichibu Cement Co Ltd 可変コンデンサ装置
DE10209517A1 (de) * 2002-03-04 2003-06-26 Infineon Technologies Ag Abstimmbares, kapazitives Bauteil und LC-Oszillator mit dem Bauteil

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006011285A1 (de) * 2006-03-10 2007-09-13 Infineon Technologies Ag Schwingkreisanordnung mit digitaler Steuerung, Verfahren zur Erzeugung eines Schwingungssignals und digitaler Phasenregelkreis mit der Schwingkreisanordnung
US7573347B2 (en) 2006-03-10 2009-08-11 Infineon Technologies Ag Digitally controlled oscillator device and method for generating an oscillating signal with a digitally controlled phase locked loop
DE102006011285B4 (de) 2006-03-10 2019-09-05 Intel Deutschland Gmbh Schwingkreisanordnung mit digitaler Steuerung, Verfahren zur Erzeugung eines Schwingungssignals und digitaler Phasenregelkreis mit der Schwingkreisanordnung

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Publication number Publication date
DE10339703B4 (de) 2006-08-10

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8364 No opposition during term of opposition
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee