JPS4990012U - - Google Patents
Info
- Publication number
- JPS4990012U JPS4990012U JP1972135637U JP13563772U JPS4990012U JP S4990012 U JPS4990012 U JP S4990012U JP 1972135637 U JP1972135637 U JP 1972135637U JP 13563772 U JP13563772 U JP 13563772U JP S4990012 U JPS4990012 U JP S4990012U
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
- H03J7/08—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using varactors, i.e. voltage variable reactive diodes
-
- 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
- H03B5/1203—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 the amplifier being a single transistor
-
- 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
- H03B5/1231—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 the amplifier comprising one or more bipolar 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
- H03B5/124—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
-
- 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
- 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
- H03B5/1296—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 the feedback circuit comprising a transformer
-
- 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
- H03B2200/0002—Types of oscillators
- H03B2200/001—Hartley oscillator
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1972135637U JPS5313304Y2 (US20050192411A1-20050901-C00001.png) | 1972-11-25 | 1972-11-25 | |
| US00417782A US3852686A (en) | 1972-11-25 | 1973-11-21 | Automatic frequency control circuit |
| GB5457273A GB1424467A (en) | 1972-11-25 | 1973-11-23 | Automatic frequency control circuits |
| CA186,603A CA996194A (en) | 1972-11-25 | 1973-11-23 | Automatic frequency control circuit |
| DE2358695A DE2358695C2 (de) | 1972-11-25 | 1973-11-24 | Automatischer Frequenznachstimmkreis |
| FR7342055A FR2208238B1 (US20050192411A1-20050901-C00001.png) | 1972-11-25 | 1973-11-26 | |
| NLAANVRAGE7316173,A NL178112C (nl) | 1972-11-25 | 1973-11-26 | Schakeling voor automatische frequentieregeling. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1972135637U JPS5313304Y2 (US20050192411A1-20050901-C00001.png) | 1972-11-25 | 1972-11-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4990012U true JPS4990012U (US20050192411A1-20050901-C00001.png) | 1974-08-05 |
| JPS5313304Y2 JPS5313304Y2 (US20050192411A1-20050901-C00001.png) | 1978-04-11 |
Family
ID=15156454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1972135637U Expired JPS5313304Y2 (US20050192411A1-20050901-C00001.png) | 1972-11-25 | 1972-11-25 |
Country Status (7)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4601061A (en) * | 1984-07-02 | 1986-07-15 | Motorola Inc. | Automatic frequency control circuit having an equalized closed loop frequency response |
| JPH06188729A (ja) * | 1992-12-16 | 1994-07-08 | Murata Mfg Co Ltd | ノイズ除去回路および電圧制御形発振回路 |
| JP3330040B2 (ja) * | 1996-12-11 | 2002-09-30 | アルプス電気株式会社 | 発振回路 |
| DE19652146B4 (de) * | 1996-12-14 | 2006-06-29 | Sennheiser Electronic Gmbh & Co. Kg | Rauscharme Oszillatorschaltung |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1171032B (de) * | 1961-11-13 | 1964-05-27 | Telefunken Patent | Anordnung zur elektronischen Abstimmung und zur automatischen Scharfabstimmung |
| DE1277954C2 (de) * | 1962-02-03 | 1973-02-22 | Standard Elek K Lorenz Ag | Schaltungsanordnung zur elektronischen Abstimmung mehrerer Schwingungskreise im Gleich- oder Parallellauf |
| US3332035A (en) * | 1966-07-20 | 1967-07-18 | Alfred Electronics | Oscillator circuit with variable capacitor |
| US3469214A (en) * | 1966-08-26 | 1969-09-23 | Matsushita Electric Ind Co Ltd | Reactance transistor circuit configuration |
| DE1296226C2 (de) * | 1967-12-09 | 1978-03-16 | Philips" Patentverwaltung GmbH, 2000 Hamburg | Abstimm-schaltungsanordnung mit einer schaltdiode |
| US3619803A (en) * | 1970-03-16 | 1971-11-09 | Gte Sylvania Inc | Temperature and voltage compensation for transistorized vco control circuit |
| US3626311A (en) * | 1970-07-30 | 1971-12-07 | Motorola Inc | Phase lock loop demodulator providing noise suppression |
| DE2126136C3 (de) * | 1971-05-26 | 1982-07-29 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Regelbare HF-Eingangsstufe mit einem PIN-Dioden-Dämpfungsglied |
-
1972
- 1972-11-25 JP JP1972135637U patent/JPS5313304Y2/ja not_active Expired
-
1973
- 1973-11-21 US US00417782A patent/US3852686A/en not_active Expired - Lifetime
- 1973-11-23 GB GB5457273A patent/GB1424467A/en not_active Expired
- 1973-11-23 CA CA186,603A patent/CA996194A/en not_active Expired
- 1973-11-24 DE DE2358695A patent/DE2358695C2/de not_active Expired
- 1973-11-26 FR FR7342055A patent/FR2208238B1/fr not_active Expired
- 1973-11-26 NL NLAANVRAGE7316173,A patent/NL178112C/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5313304Y2 (US20050192411A1-20050901-C00001.png) | 1978-04-11 |
| GB1424467A (en) | 1976-02-11 |
| CA996194A (en) | 1976-08-31 |
| DE2358695C2 (de) | 1984-09-27 |
| FR2208238B1 (US20050192411A1-20050901-C00001.png) | 1978-01-06 |
| FR2208238A1 (US20050192411A1-20050901-C00001.png) | 1974-06-21 |
| NL178112B (nl) | 1985-08-16 |
| US3852686A (en) | 1974-12-03 |
| NL7316173A (US20050192411A1-20050901-C00001.png) | 1974-05-28 |
| NL178112C (nl) | 1986-01-16 |
| DE2358695A1 (de) | 1974-05-30 |
