KR101146224B1 - Mos 바랙터 및 그를 포함하는 전압 제어 발진기 - Google Patents
Mos 바랙터 및 그를 포함하는 전압 제어 발진기 Download PDFInfo
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- KR101146224B1 KR101146224B1 KR1020050109846A KR20050109846A KR101146224B1 KR 101146224 B1 KR101146224 B1 KR 101146224B1 KR 1020050109846 A KR1020050109846 A KR 1020050109846A KR 20050109846 A KR20050109846 A KR 20050109846A KR 101146224 B1 KR101146224 B1 KR 101146224B1
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- 239000012535 impurity Substances 0.000 claims abstract description 31
- 150000002500 ions Chemical class 0.000 claims abstract description 31
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims description 16
- 239000003989 dielectric material Substances 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 claims description 8
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 6
- -1 Ta 2 O 5 Inorganic materials 0.000 claims description 6
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 6
- 230000010355 oscillation Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000000151 deposition Methods 0.000 description 5
- 230000005669 field effect Effects 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 230000003071 parasitic effect Effects 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/201—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of only components covered by H10D1/00 or H10D8/00, e.g. RLC circuits
- H10D84/204—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of only components covered by H10D1/00 or H10D8/00, e.g. RLC circuits of combinations of diodes or capacitors or resistors
- H10D84/212—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of only components covered by H10D1/00 or H10D8/00, e.g. RLC circuits of combinations of diodes or capacitors or resistors of only capacitors
- H10D84/215—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of only components covered by H10D1/00 or H10D8/00, e.g. RLC circuits of combinations of diodes or capacitors or resistors of only capacitors of only varactors
-
- 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
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D1/00—Resistors, capacitors or inductors
- H10D1/60—Capacitors
- H10D1/62—Capacitors having potential barriers
- H10D1/66—Conductor-insulator-semiconductor capacitors, e.g. MOS 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
- H03B2201/00—Aspects of oscillators relating to varying the frequency of the oscillations
- H03B2201/03—Varying beside the frequency also another parameter of the oscillator in dependence on the frequency
- H03B2201/036—Varying beside the frequency also another parameter of the oscillator in dependence on the frequency the parameter being the quality factor of a resonator
-
- 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
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- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Abstract
Description
Claims (15)
- 기판 내에 형성되는 n형 웰 영역;상기 기판 내에 소정 영역을 격리시키는 제 1 산화막;상기 기판 상에 차례대로 형성된 게이트 절연막 및 게이트 전극;상기 n형 웰 영역 내에 위치하며, 상기 게이트 전극과 상기 제 1 산화막 사이에 불순물 이온이 주입되어 형성되는 제 1 소스/드레인 영역;상기 n형 웰 영역 내에 위치하며, 상기 게이트 전극 사이에 불순물 이온이 주입되어 형성되는 제 2 소스/드레인 영역; 및상기 n형 웰 영역 내에 위치하며, 상기 게이트 전극과 상기 제 1 소스/드레인 영역 사이에 형성되고, 고유전물질로 구성된 제 2 산화막;을 포함하는 MOS 바랙터.
- 제 1항에 있어서,상기 게이트 절연막은, 유전물질로 구성되는 것을 특징으로 하는 MOS 바랙터.
- 제 2항에 있어서,상기 제 2 산화막은, Al2O3, Ta2O5, HfO2, ZrO2, BST, TiO2 중 어느 하나로 구성되는 것을 특징으로 하는 MOS 바랙터.
- 제 3항에 있어서,상기 제 1 소스/드레인 영역은 N형 불순물 이온이 주입되어 형성되는 것을 특징으로 하는 MOS 바랙터.
- 제 4항에 있어서,상기 제 2 소스/드레인 영역은, 접지 전압이 인가되며, P형 불순물 이온이 주입되어 형성되는 것을 특징으로 하는 MOS 바랙터.
- 제 3항에 있어서,상기 제 1 소스/드레인 영역은 P형 불순물 이온이 주입되어 형성되는 것을 특징으로 하는 MOS 바랙터.
- 제 6항에 있어서,상기 제 2 소스/드레인 영역은, 전원 전압이 인가되며, N형 불순물 이온이 주입되어 형성되는 것을 특징으로 하는 MOS 바랙터.
- 발진 주파수를 변화시키는 복수개의 가변 용량 소자를 포함하되, 상기 복수개의 가변 용량 소자는 병렬로 연결되고, 상기 병렬로 연결된 복수개의 가변 용량 소자 사이에는 복수개의 스위치가 연결되며,상기 가변 용량 소자는,기판 내에 형성되는 n형 웰 영역;상기 기판 내에 소정 영역을 격리시키는 제 1 산화막;상기 기판 상에 차례대로 형성된 게이트 절연막 및 게이트 전극;상기 n형 웰 영역 내에 위치하며, 상기 게이트 전극과 상기 제 1 산화막 사이에 불순물 이온이 주입되어 형성되는 제 1 소스/드레인 영역;상기 n형 웰 영역 내에 위치하며, 상기 게이트 전극 사이에 불순물 이온이 주입되어 형성되는 제 2 소스/드레인 영역; 및상기 n형 웰 영역 내에 위치하며, 상기 게이트 전극과 상기 제 1 소스/드레인 영역 사이에 형성되고, 고유전물질로 구성된 제 2 산화막;을 포함하는 MOS 바랙터인 것을 특징으로 하는 전압 제어 발진기.
- 제 8항에 있어서,상기 스위치는, MOS 트랜지스터인 것을 특징으로 하는 전압 제어 발진기.
- 제 9항에 있어서,상기 게이트 절연막은, 유전물질로 구성되는 것을 특징으로 하는 전압 제어 발진기.
- 제 10항에 있어서,상기 제 2 산화막은, Al2O3, Ta2O5, HfO2, ZrO2, BST, TiO2 중 어느 하나로 구성되는 것을 특징으로 하는 전압 제어 발진기.
- 제 11항에 있어서,상기 제 1 소스/드레인 영역은 N형 불순물 이온이 주입되어 형성되는 것을 특징으로 하는 전압 제어 발진기.
- 제 12항에 있어서,상기 제 2 소스/드레인 영역은, 접지 전압이 인가되며, P형 불순물 이온이 주입되어 형성되는 것을 특징으로 하는 전압 제어 발진기.
- 제 11항에 있어서,상기 제 1 소스/드레인 영역은 P형 불순물 이온이 주입되어 형성되는 것을 특징으로 하는 전압 제어 발진기.
- 제 14항에 있어서,상기 제 2 소스/드레인 영역은, 전원 전압이 인가되며, N형 불순물 이온이 주입되어 형성되는 것을 특징으로 하는 전압 제어 발진기.
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KR1020050109846A KR101146224B1 (ko) | 2005-11-16 | 2005-11-16 | Mos 바랙터 및 그를 포함하는 전압 제어 발진기 |
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KR1020050109846A KR101146224B1 (ko) | 2005-11-16 | 2005-11-16 | Mos 바랙터 및 그를 포함하는 전압 제어 발진기 |
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KR20070052143A KR20070052143A (ko) | 2007-05-21 |
KR101146224B1 true KR101146224B1 (ko) | 2012-05-15 |
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Cited By (1)
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WO2018194743A1 (en) * | 2017-04-21 | 2018-10-25 | Qualcomm Incorporated | Variable capacitor structures with reduced channel resistance |
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KR100874772B1 (ko) | 2007-10-24 | 2008-12-19 | 한국정보통신대학교 산학협력단 | 스위치, 부성 저항부 및 이를 이용하는 차동 전압 제어발진기 |
Citations (1)
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US20040094824A1 (en) * | 2001-05-29 | 2004-05-20 | Judith Maget | Integrated, tunable capacitance |
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US20040094824A1 (en) * | 2001-05-29 | 2004-05-20 | Judith Maget | Integrated, tunable capacitance |
Cited By (1)
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WO2018194743A1 (en) * | 2017-04-21 | 2018-10-25 | Qualcomm Incorporated | Variable capacitor structures with reduced channel resistance |
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