KR950006806Y1 - 입력신호의 주파수 판별기 - Google Patents
입력신호의 주파수 판별기 Download PDFInfo
- Publication number
- KR950006806Y1 KR950006806Y1 KR92010651U KR920010651U KR950006806Y1 KR 950006806 Y1 KR950006806 Y1 KR 950006806Y1 KR 92010651 U KR92010651 U KR 92010651U KR 920010651 U KR920010651 U KR 920010651U KR 950006806 Y1 KR950006806 Y1 KR 950006806Y1
- Authority
- KR
- South Korea
- Prior art keywords
- frequency
- signal
- phase
- input
- input signal
- 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
Links
- 239000003990 capacitor Substances 0.000 claims description 16
- 230000002194 synthesizing effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/005—Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller (comparing phase or frequency of 2 mutually independent oscillations in demodulators)
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/12—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising
- H04N5/126—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising whereby the synchronisation signal indirectly commands a frequency generator
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/46—Receiver circuitry for the reception of television signals according to analogue transmission standards for receiving on more than one standard at will
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Synchronizing For Television (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Description
Claims (1)
- 주파수 입력 신호선(fin)에 연결되어 주파수 입력신호(fin)의 직류성분의 노이즈를 제거하는 n개의 필터용 커패시터(11~1n)와; 상기한 n개의 필터용 커패시터 (C11~C1n)에 각각 연결되어 내부에 설정된 자주 주파수와 입력되는 주파수 신호를 서로 비교하여 두개의 신호가 서로 같을 경우에 이를 외부로 출력하는 제1-제n 위상 비교부(11~1n)로 이루어지며, 상기한 위상 비교부(11~1n)는, 입력신호(IN)의 위상을 검출하여 출력하는 위상 검출기(21)와, 위상 검출기(21)의 출력신호를 증폭하여 출력하는 증폭기(24)와, 증폭기(24)의 신호에 따라 자주 주파수 신호를 생성하여 출력하는 전류제어 발진기(22)와, 상기한 자주 주파수 신호를 생성하여 출력하는 전류제어 발진기(22)와, 상기한 자주 주파수 신호와 입력신호(IN)를 합성하여 출력하는 구형 위상 검출기(23)와, 구형 위상 검출기(23)의 합주파수 성분을 제거하기 위한 필터용 커패시터(C23)와, 구형 위상 검출기(23)의 차주파수 성분과 기준신호를 비교하여 그 결과신호를 증폭하여 출력하는 비교기(25)로 이루어지는 것을 특징으로 하는 입력신호의 주파수 판별기.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR92010651U KR950006806Y1 (ko) | 1992-06-15 | 1992-06-15 | 입력신호의 주파수 판별기 |
US07/991,862 US5367266A (en) | 1992-06-15 | 1992-12-15 | Frequency discriminator of horizontal synchronizing signal for multi-mode monitor |
DE4243960A DE4243960C2 (de) | 1992-06-15 | 1992-12-23 | Frequenzdiskriminator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR92010651U KR950006806Y1 (ko) | 1992-06-15 | 1992-06-15 | 입력신호의 주파수 판별기 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR940002151U KR940002151U (ko) | 1994-01-03 |
KR950006806Y1 true KR950006806Y1 (ko) | 1995-08-21 |
Family
ID=19334917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR92010651U Expired - Fee Related KR950006806Y1 (ko) | 1992-06-15 | 1992-06-15 | 입력신호의 주파수 판별기 |
Country Status (3)
Country | Link |
---|---|
US (1) | US5367266A (ko) |
KR (1) | KR950006806Y1 (ko) |
DE (1) | DE4243960C2 (ko) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5600270A (en) * | 1993-06-18 | 1997-02-04 | Yozan Inc. | Computational circuit |
CN1108778A (zh) * | 1993-09-20 | 1995-09-20 | 株式会社鹰山 | 多极开关电路 |
KR960006674B1 (ko) * | 1993-12-04 | 1996-05-22 | 삼성전자주식회사 | 모니터 모드 제어회로 및 그 방법 |
DE4432755A1 (de) * | 1994-04-04 | 1995-10-05 | Hitachi Ltd | Einstellbare Bildröhren-Anzeigevorrichtung und phasensynchrone Schaltung zur Verwendung in einer Anzeigevorrichtung |
JP3123358B2 (ja) * | 1994-09-02 | 2001-01-09 | 株式会社日立製作所 | ディスプレイ装置 |
US20090045848A1 (en) * | 2007-08-15 | 2009-02-19 | National Semiconductor Corporation | Phase-frequency detector with high jitter tolerance |
US12134713B2 (en) * | 2018-12-28 | 2024-11-05 | Microchip Technology Incorporated | Classifying comparators based on comparator offsets |
KR102671820B1 (ko) * | 2021-08-09 | 2024-05-31 | 최재은 | 밴드형 정치망 부자 커버 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3641445A (en) * | 1970-07-23 | 1972-02-08 | Itt | Frequency analyzer |
US3805171A (en) * | 1972-07-12 | 1974-04-16 | Eastech | Signal frequency detection circuit |
US3812432A (en) * | 1973-01-05 | 1974-05-21 | Bell Telephone Labor Inc | Tone detector |
JPS57208465A (en) * | 1981-06-18 | 1982-12-21 | Pioneer Electronic Corp | Discriminating circuit for frequency |
JPH01120697A (ja) * | 1987-11-05 | 1989-05-12 | Sanyo Electric Co Ltd | 自動販売機の釣銭払出装置 |
KR900008033Y1 (ko) * | 1987-12-31 | 1990-09-03 | 삼성전자 주식회사 | 멀티 동기 모니터용 인터페이스의 수직예비 조정회로 |
JPH0236674A (ja) * | 1988-07-27 | 1990-02-06 | Mitsubishi Electric Corp | クランプパルス作成回路 |
-
1992
- 1992-06-15 KR KR92010651U patent/KR950006806Y1/ko not_active Expired - Fee Related
- 1992-12-15 US US07/991,862 patent/US5367266A/en not_active Expired - Fee Related
- 1992-12-23 DE DE4243960A patent/DE4243960C2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE4243960A1 (de) | 1993-12-16 |
DE4243960C2 (de) | 1997-12-18 |
KR940002151U (ko) | 1994-01-03 |
US5367266A (en) | 1994-11-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19920615 |
|
UA0201 | Request for examination |
Patent event date: 19920615 Patent event code: UA02012R01D Comment text: Request for Examination of Application |
|
UG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
UE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event code: UE09021S01D Patent event date: 19950418 |
|
UG1604 | Publication of application |
Patent event code: UG16041S01I Comment text: Decision on Publication of Application Patent event date: 19950728 |
|
E701 | Decision to grant or registration of patent right | ||
UE0701 | Decision of registration |
Patent event date: 19951116 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
|
REGI | Registration of establishment | ||
UR0701 | Registration of establishment |
Patent event date: 19960131 Patent event code: UR07011E01D Comment text: Registration of Establishment |
|
UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 19960131 |
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UR1001 | Payment of annual fee |
Payment date: 19980721 Start annual number: 4 End annual number: 4 |
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UR1001 | Payment of annual fee |
Payment date: 19990731 Start annual number: 5 End annual number: 5 |
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UR1001 | Payment of annual fee |
Payment date: 20000731 Start annual number: 6 End annual number: 6 |
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FPAY | Annual fee payment |
Payment date: 20010730 Year of fee payment: 7 |
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LAPS | Lapse due to unpaid annual fee | ||
UC1903 | Unpaid annual fee |