JPS50176B1 - - Google Patents
Info
- Publication number
- JPS50176B1 JPS50176B1 JP45011402A JP1140270A JPS50176B1 JP S50176 B1 JPS50176 B1 JP S50176B1 JP 45011402 A JP45011402 A JP 45011402A JP 1140270 A JP1140270 A JP 1140270A JP S50176 B1 JPS50176 B1 JP S50176B1
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
- H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
- H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with 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
- H03B5/1206—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 using multiple transistors for amplification
- H03B5/1221—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 using multiple transistors for amplification the amplifier comprising multiple amplification stages connected in cascade
-
- 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
- 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
- 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
- H03B2200/003—Circuit elements of oscillators
- H03B2200/004—Circuit elements of oscillators including a variable capacitance, e.g. a varicap, a varactor or a variable capacitance of a diode or 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
- H03B2201/00—Aspects of oscillators relating to varying the frequency of the oscillations
- H03B2201/02—Varying the frequency of the oscillations by electronic means
- H03B2201/0208—Varying the frequency of the oscillations by electronic means the means being an element with a variable capacitance, e.g. capacitance diode
Landscapes
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US79829269A | 1969-02-11 | 1969-02-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS50176B1 true JPS50176B1 (ja) | 1975-01-07 |
Family
ID=25173024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP45011402A Pending JPS50176B1 (ja) | 1969-02-11 | 1970-02-10 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3579115A (ja) |
| JP (1) | JPS50176B1 (ja) |
| DE (1) | DE2005888B2 (ja) |
| ES (1) | ES376437A1 (ja) |
| FR (1) | FR2032335B1 (ja) |
| GB (1) | GB1293012A (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53157169U (ja) * | 1977-05-14 | 1978-12-09 | ||
| JPS545161U (ja) * | 1977-06-15 | 1979-01-13 |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3873924A (en) * | 1972-11-02 | 1975-03-25 | Masco Corp | Signal-seeking radio receivers |
| GB1593723A (en) * | 1977-03-14 | 1981-07-22 | Lignes Telegraph Telephon | Ultra high frequency oscillators |
| US4243954A (en) * | 1979-06-19 | 1981-01-06 | General Motors Corporation | Low level LC oscillator |
| DE2929918A1 (de) * | 1979-07-24 | 1981-01-29 | Licentia Gmbh | Mischstufe mit einer angeschlossenen oszillatorstufe |
| US4837852A (en) * | 1985-06-17 | 1989-06-06 | Toko, Inc. | Electronic tuning circuit for AM receiver which is easy to effect tracking adjustment |
| GB2181913B (en) * | 1985-10-22 | 1989-09-20 | Plessey Co Plc | Balanced oscillator and heterodyne circuit incorporating same |
| US4709409A (en) * | 1986-08-25 | 1987-11-24 | Ma John Y | TVRO receiver with surface mounted high frequency voltage-controlled oscillator |
| JPH0263313A (ja) * | 1988-08-30 | 1990-03-02 | Toko Inc | 電流制御型可変インダクタを用いた同調回路及び受信機 |
| US5122763A (en) * | 1989-08-25 | 1992-06-16 | Anritsu Corporation | Frequency snythesizer for implementing generator of highly pure signals and circuit devices, such as vcq, bll and sg, used therein |
| US5856763A (en) * | 1997-03-05 | 1999-01-05 | Motorola Inc. | Dual frequency voltage controlled oscillator |
| US7620382B2 (en) * | 2005-06-09 | 2009-11-17 | Alps Electric Co., Ltd. | Frequency converter capable of preventing level of intermediate frequency signal from lowering due to rise in temperature |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3354397A (en) * | 1964-02-12 | 1967-11-21 | Standard Kollsman Ind Inc | Voltage variable diode capacitance tunable circuit for television apparatus |
-
1969
- 1969-02-11 US US798292A patent/US3579115A/en not_active Expired - Lifetime
-
1970
- 1970-01-26 GB GB3616/70A patent/GB1293012A/en not_active Expired
- 1970-02-10 JP JP45011402A patent/JPS50176B1/ja active Pending
- 1970-02-10 ES ES376437A patent/ES376437A1/es not_active Expired
- 1970-02-10 DE DE2005888A patent/DE2005888B2/de not_active Ceased
- 1970-02-11 FR FR7004852A patent/FR2032335B1/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53157169U (ja) * | 1977-05-14 | 1978-12-09 | ||
| JPS545161U (ja) * | 1977-06-15 | 1979-01-13 |
Also Published As
| Publication number | Publication date |
|---|---|
| US3579115A (en) | 1971-05-18 |
| FR2032335B1 (ja) | 1975-12-26 |
| ES376437A1 (es) | 1972-04-16 |
| GB1293012A (en) | 1972-10-18 |
| FR2032335A1 (ja) | 1970-11-27 |
| DE2005888B2 (de) | 1974-03-21 |
| DE2005888A1 (de) | 1971-01-21 |