JPS579530B2 - - Google Patents
Info
- Publication number
- JPS579530B2 JPS579530B2 JP7805974A JP7805974A JPS579530B2 JP S579530 B2 JPS579530 B2 JP S579530B2 JP 7805974 A JP7805974 A JP 7805974A JP 7805974 A JP7805974 A JP 7805974A JP S579530 B2 JPS579530 B2 JP S579530B2
- Authority
- JP
- Japan
- 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
Links
Classifications
-
- 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
- H03L7/02—Automatic control of frequency or phase; Synchronisation using a frequency discriminator comprising a passive frequency-determining element
-
- 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
- H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
- H03L7/107—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
- H03L7/1075—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth by changing characteristics of the loop filter, e.g. changing the gain, changing the bandwidth
Landscapes
- Filters And Equalizers (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Time-Division Multiplex Systems (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Networks Using Active Elements (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7805974A JPS579530B2 (US20100223739A1-20100909-C00005.png) | 1974-07-08 | 1974-07-08 | |
| GB27644/75A GB1480544A (en) | 1974-07-08 | 1975-07-01 | Band pass filter circuit |
| US05/593,126 US3969678A (en) | 1974-07-08 | 1975-07-03 | Band pass filter circuit with automatic bandwidth adjust |
| CA230,946A CA1044339A (en) | 1974-07-08 | 1975-07-07 | Band pass filter circuit |
| AU82847/75A AU501781B2 (en) | 1974-07-08 | 1975-07-08 | Bandpass filter circuit |
| IT68771/75A IT1036467B (it) | 1974-07-08 | 1975-07-08 | Circuito filtro passaband a variazione di larghezza di banda |
| DE2530467A DE2530467C3 (de) | 1974-07-08 | 1975-07-08 | Bandpaßfilter-Schaltung |
| FR7521433A FR2278197A1 (fr) | 1974-07-08 | 1975-07-08 | Circuit de filtre passe-bande |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7805974A JPS579530B2 (US20100223739A1-20100909-C00005.png) | 1974-07-08 | 1974-07-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS517849A JPS517849A (US20100223739A1-20100909-C00005.png) | 1976-01-22 |
| JPS579530B2 true JPS579530B2 (US20100223739A1-20100909-C00005.png) | 1982-02-22 |
Family
ID=13651267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7805974A Expired JPS579530B2 (US20100223739A1-20100909-C00005.png) | 1974-07-08 | 1974-07-08 |
Country Status (8)
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH034515Y2 (US20100223739A1-20100909-C00005.png) * | 1983-05-09 | 1991-02-06 | ||
| JPH034516Y2 (US20100223739A1-20100909-C00005.png) * | 1984-10-18 | 1991-02-06 | ||
| JPH037157Y2 (US20100223739A1-20100909-C00005.png) * | 1984-08-31 | 1991-02-22 |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1035117B (it) * | 1975-03-28 | 1979-10-20 | Selenta Ind Elettroniche Assoc | Dispositivo ad alta stabilita per il filtraggio e la discriminayione in frequenza di un segnale elettrico |
| JPS54100639A (en) * | 1978-01-26 | 1979-08-08 | Fujitsu Ltd | Band-pass filter circuit |
| DE2837537C2 (de) * | 1978-08-28 | 1983-04-28 | Gestra-KSB Vertriebsgesellschaft mbH & Co KG, 2800 Bremen | Mehrstufiges, thermostatisches Ventil |
| DE2837538C2 (de) * | 1978-08-28 | 1982-05-19 | Gestra- KSB Vertriebsgesellschaft mbH. & Co KG, 2800 Bremen | Thermisch gesteuertes Ventil |
| JPS5575361A (en) * | 1978-12-04 | 1980-06-06 | Oki Electric Ind Co Ltd | Time-division multi-direction multiple transmission system |
| JPS6063685A (ja) * | 1983-09-16 | 1985-04-12 | Nec Corp | 座標入力装置用雑音除去回路 |
| DE3402441A1 (de) * | 1984-01-25 | 1985-08-01 | Gestra Ag, 2800 Bremen | Kondensatableiter mit thermischem steuerelement |
| JPS60214617A (ja) * | 1984-04-11 | 1985-10-26 | Hitachi Ltd | フイルタ集積回路 |
| JP2560093B2 (ja) * | 1988-10-05 | 1996-12-04 | シャープ株式会社 | Ｆｍチューナ |
| DE69215118T2 (de) * | 1991-01-24 | 1997-05-22 | Philips Electronics Nv | Nichtlinearer Signalprozessor |
| US5353311A (en) * | 1992-01-09 | 1994-10-04 | Nec Corporation | Radio transmitter |
| JPH087059A (ja) * | 1994-06-21 | 1996-01-12 | Sony Chem Corp | 非接触情報カード |
| US5548398A (en) * | 1994-11-22 | 1996-08-20 | Eastman Kodak Company | Illuminant discriminator providing detection of high efficiency illumination |
| SE519372C2 (sv) * | 2001-03-09 | 2003-02-18 | Nat Semiconductor Corp | Metod och krets för filtertrimning |
| US7203474B2 (en) * | 2001-10-24 | 2007-04-10 | Rohm Co., Ltd. | Receiver system |
| AU2003244763A1 (en) * | 2002-05-31 | 2003-12-19 | Matsushita Electric Industrial Co., Ltd. | Bandwidth adaptation rule for adaptive noise filter for inverse filtering with improved disturbance rejection bandwidth and speed |
| US7567133B2 (en) * | 2006-04-06 | 2009-07-28 | Mosaid Technologies Corporation | Phase-locked loop filter capacitance with a drag current |
| US7982547B2 (en) * | 2009-03-30 | 2011-07-19 | Infineon Technologies Ag | Phase locked loop-based tuning adjustable filter |
| CN102624360B (zh) * | 2012-04-05 | 2015-06-10 | 四川和芯微电子股份有限公司 | 具有自动调节输出信号占空比功能的倍频电路及系统 |
| CN116915223B (zh) * | 2023-08-01 | 2024-02-27 | 合芯科技(苏州)有限公司 | 一种延迟电路及滤波器 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3714588A (en) * | 1970-10-13 | 1973-01-30 | Nasa | Self tuning bandpass filter |
| US3678416A (en) * | 1971-07-26 | 1972-07-18 | Richard S Burwen | Dynamic noise filter having means for varying cutoff point |
| US3835399A (en) * | 1972-01-24 | 1974-09-10 | R Holmes | Adjustable electronic tunable filter with simulated inductor |
| JPS5641010B2 (US20100223739A1-20100909-C00005.png) * | 1972-06-14 | 1981-09-25 | ||
| US3786363A (en) * | 1973-01-05 | 1974-01-15 | Us Navy | Voltage-controlled low-pass filter |
-
1974
- 1974-07-08 JP JP7805974A patent/JPS579530B2/ja not_active Expired
-
1975
- 1975-07-01 GB GB27644/75A patent/GB1480544A/en not_active Expired
- 1975-07-03 US US05/593,126 patent/US3969678A/en not_active Expired - Lifetime
- 1975-07-07 CA CA230,946A patent/CA1044339A/en not_active Expired
- 1975-07-08 IT IT68771/75A patent/IT1036467B/it active
- 1975-07-08 AU AU82847/75A patent/AU501781B2/en not_active Expired
- 1975-07-08 DE DE2530467A patent/DE2530467C3/de not_active Expired
- 1975-07-08 FR FR7521433A patent/FR2278197A1/fr active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH034515Y2 (US20100223739A1-20100909-C00005.png) * | 1983-05-09 | 1991-02-06 | ||
| JPH037157Y2 (US20100223739A1-20100909-C00005.png) * | 1984-08-31 | 1991-02-22 | ||
| JPH034516Y2 (US20100223739A1-20100909-C00005.png) * | 1984-10-18 | 1991-02-06 |
Also Published As
| Publication number | Publication date |
|---|---|
| CA1044339A (en) | 1978-12-12 |
| AU501781B2 (en) | 1979-06-28 |
| US3969678A (en) | 1976-07-13 |
| FR2278197B1 (US20100223739A1-20100909-C00005.png) | 1978-07-28 |
| DE2530467B2 (de) | 1977-08-18 |
| GB1480544A (en) | 1977-07-20 |
| DE2530467A1 (de) | 1976-01-29 |
| AU8284775A (en) | 1977-01-13 |
| IT1036467B (it) | 1979-10-30 |
| DE2530467C3 (de) | 1978-04-27 |
| FR2278197A1 (fr) | 1976-02-06 |
| JPS517849A (US20100223739A1-20100909-C00005.png) | 1976-01-22 |
