KR960009964B1 - 세라믹 발진자를 가진 전압제어 발진기 - Google Patents
세라믹 발진자를 가진 전압제어 발진기 Download PDFInfo
- Publication number
- KR960009964B1 KR960009964B1 KR1019880012457A KR880012457A KR960009964B1 KR 960009964 B1 KR960009964 B1 KR 960009964B1 KR 1019880012457 A KR1019880012457 A KR 1019880012457A KR 880012457 A KR880012457 A KR 880012457A KR 960009964 B1 KR960009964 B1 KR 960009964B1
- Authority
- KR
- South Korea
- Prior art keywords
- input
- amplifier
- controllable
- output
- changeover switch
- 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
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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
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
-
- 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
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
- H03B5/36—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device
-
- 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
- H03B2200/0014—Structural aspects of oscillators
- H03B2200/002—Structural aspects of oscillators making use of ceramic material
-
- 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
- H03B2200/0014—Structural aspects of oscillators
- H03B2200/0026—Structural aspects of oscillators relating to the pins of integrated circuits
Landscapes
- Oscillators With Electromechanical Resonators (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Photoreceptors In Electrophotography (AREA)
- Developing Agents For Electrophotography (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Abstract
Description
Claims (2)
- 세라믹 발진자(1)를 가진 전압제어 발진기에 있어서, 세라믹 발진자(1)의 출력전압은 병렬접속된 2개의 분기를 가진 이상기(P)의 입력에 공급되고, 제1분기에는 증폭기(5)가 놓이며 제2분기에는 저역통과 필터(6), 제어가능한 증폭기(7) 및 제어가능한 전환스위치(8)이 놓이고, 제어가능한 전환스위치(8)의 제1입력은 제어가능한 증폭기(7)의 출력과 연결되며, 제어가능한 전환스위치(8)의 제2입력은 기준전위와 연결되고, 제어가능한 전환스위치(8)의 출력은 가산기(9)의 제1입력과 연결되며, 증폭기(5)의 출력은 가산기(9)의 제2입력과 연결되고, 가산기(9)의 출력은 세라믹 발진자(1)로 귀환되는 것을 특징으로 하는 세라믹 발진자를 가진 전압제어 발진기.
- 제1항에 있어서, 세라믹 발진자(1) 및 전류원(2)으로 이루어진 병렬접속회로의 한 단자는 기준전위와 연결되고, 트랜지스터(3)의 콜렉터는 제1증폭기(4)의 입력과 연결되며 저항(R1)을 통해 공급전압(UB)에 연결되고, 제1증폭기(4)의 출력은 제2증폭기(5) 및 저역통과 필터(6)의 입력과 연결되며, 저역통과 필터(6)의 출력은 제어가능한 증폭기(7)의 입력과 연결되고, 제어가능한 증폭기(7)의 출력은 제어가능한 전환스위치(8)의 제1입력과 연결되며, 제어가능한 전환스위치(8)의 제2입력은 기준전위에 놓이고, 제어가능한 전환스위치(8)의 출력은 가산기(9)의 제1입력과 연결되며, 가산기(9)의 제2입력은 제2증폭기(5)의 출력과 연결되고 가산기(9)의 출력은 제어가능한 스위치(10)를 통해 트랜지스터(3)의 베이스에 연결되는 것을 특징으로 하는 세라믹 발진자를 가진 전압제어 발진기.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP373290605 | 1987-09-30 | ||
DEP3732906.5 | 1987-09-30 | ||
DE19873732906 DE3732906A1 (de) | 1987-09-30 | 1987-09-30 | Spannungsgesteuerter oszillator mit einem keramischen schwingquarz |
Publications (2)
Publication Number | Publication Date |
---|---|
KR890005968A KR890005968A (ko) | 1989-05-18 |
KR960009964B1 true KR960009964B1 (ko) | 1996-07-25 |
Family
ID=6337193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019880012457A Expired - Fee Related KR960009964B1 (ko) | 1987-09-30 | 1988-09-27 | 세라믹 발진자를 가진 전압제어 발진기 |
Country Status (8)
Country | Link |
---|---|
US (1) | US4888567A (ko) |
EP (1) | EP0309769B1 (ko) |
JP (1) | JP2735582B2 (ko) |
KR (1) | KR960009964B1 (ko) |
AT (1) | ATE87153T1 (ko) |
DE (2) | DE3732906A1 (ko) |
ES (1) | ES2039535T3 (ko) |
FI (1) | FI884439A7 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4310552C2 (de) * | 1993-03-31 | 1995-05-04 | Siemens Ag | Colpitts-Oszillator |
US5731744A (en) * | 1996-05-28 | 1998-03-24 | Brooktree Corporation | Voltage controlled oscillator |
JPH11330876A (ja) | 1998-05-15 | 1999-11-30 | Nec Corp | 電圧制御増幅回路 |
DE102013209364A1 (de) * | 2013-05-21 | 2014-11-27 | Friedrich-Alexander-Universität Erlangen-Nürnberg | Verfahren zur Messung der Frequenz eines elektrischen Signals sowie elektrisches Messsystem |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3691475A (en) * | 1970-07-24 | 1972-09-12 | Hitachi Ltd | Voltage controlled oscillator |
FR2506100A2 (fr) * | 1975-06-06 | 1982-11-19 | Telediffusion Fse | Systeme de diffusion de donnees |
US4286235A (en) * | 1979-06-25 | 1981-08-25 | Rca Corporation | VFO having plural feedback loops |
US4733200A (en) * | 1986-10-14 | 1988-03-22 | Motorola, Inc. | Controlled feedback path voltage controlled oscillator |
-
1987
- 1987-09-30 DE DE19873732906 patent/DE3732906A1/de not_active Withdrawn
-
1988
- 1988-09-03 ES ES198888114401T patent/ES2039535T3/es not_active Expired - Lifetime
- 1988-09-03 DE DE8888114401T patent/DE3879343D1/de not_active Expired - Fee Related
- 1988-09-03 EP EP88114401A patent/EP0309769B1/de not_active Expired - Lifetime
- 1988-09-03 AT AT88114401T patent/ATE87153T1/de not_active IP Right Cessation
- 1988-09-27 KR KR1019880012457A patent/KR960009964B1/ko not_active Expired - Fee Related
- 1988-09-28 JP JP63241200A patent/JP2735582B2/ja not_active Expired - Fee Related
- 1988-09-28 FI FI884439A patent/FI884439A7/fi not_active Application Discontinuation
- 1988-09-28 US US07/250,731 patent/US4888567A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE3879343D1 (de) | 1993-04-22 |
KR890005968A (ko) | 1989-05-18 |
ATE87153T1 (de) | 1993-04-15 |
FI884439A0 (fi) | 1988-09-28 |
JP2735582B2 (ja) | 1998-04-02 |
FI884439A7 (fi) | 1989-03-31 |
EP0309769B1 (de) | 1993-03-17 |
DE3732906A1 (de) | 1989-04-13 |
ES2039535T3 (es) | 1993-10-01 |
JPH01144806A (ja) | 1989-06-07 |
US4888567A (en) | 1989-12-19 |
EP0309769A1 (de) | 1989-04-05 |
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