JPS4999461A - - Google Patents
Info
- Publication number
- JPS4999461A JPS4999461A JP49004865A JP486574A JPS4999461A JP S4999461 A JPS4999461 A JP S4999461A JP 49004865 A JP49004865 A JP 49004865A JP 486574 A JP486574 A JP 486574A JP S4999461 A JPS4999461 A JP S4999461A
- 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
-
- 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
- H03B5/1206—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
- H03B5/1209—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 having two current paths operating in a differential manner and a current source or degeneration circuit in common to both paths, e.g. a long-tailed pair.
-
- 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
- H03B5/1246—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 transistors used to provide a variable capacitance
- H03B5/125—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 transistors used to provide a variable capacitance the transistors being bipolar transistors
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- 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
- H04N5/50—Tuning indicators; Automatic tuning control
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J2200/00—Indexing scheme relating to tuning resonant circuits and selecting resonant circuits
- H03J2200/07—Calibration of receivers, using quartz crystal oscillators as reference
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00319364A US3815051A (en) | 1972-12-29 | 1972-12-29 | Controlled oscillator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4999461A true JPS4999461A (OSRAM) | 1974-09-19 |
| JPS5617849B2 JPS5617849B2 (OSRAM) | 1981-04-24 |
Family
ID=23241940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP744865A Expired JPS5617849B2 (OSRAM) | 1972-12-29 | 1973-12-24 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3815051A (OSRAM) |
| JP (1) | JPS5617849B2 (OSRAM) |
| KR (1) | KR780000498B1 (OSRAM) |
| BE (1) | BE809186A (OSRAM) |
| CA (1) | CA992621A (OSRAM) |
| DE (1) | DE2364187C3 (OSRAM) |
| FR (1) | FR2212683B1 (OSRAM) |
| GB (1) | GB1450134A (OSRAM) |
| IT (1) | IT1001873B (OSRAM) |
| NL (1) | NL7317542A (OSRAM) |
| SE (1) | SE384955B (OSRAM) |
| TR (1) | TR17748A (OSRAM) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3963996A (en) * | 1974-09-05 | 1976-06-15 | Zenith Radio Corporation | Oscillation system for integrated circuit |
| JPS62162726U (OSRAM) * | 1986-03-31 | 1987-10-16 | ||
| JPS62162743U (OSRAM) * | 1986-04-01 | 1987-10-16 | ||
| JPS6310733U (OSRAM) * | 1986-07-04 | 1988-01-23 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3636475A (en) * | 1969-10-01 | 1972-01-18 | Rca Corp | Oscillator with variable reactive current frequency control |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE25743E (en) * | 1955-04-12 | 1965-03-09 | Richman phase detector | |
| BE756912A (fr) * | 1969-10-01 | 1971-03-01 | Rca Corp | Etage de transmission de signaux |
-
1972
- 1972-12-29 US US00319364A patent/US3815051A/en not_active Expired - Lifetime
-
1973
- 1973-11-21 TR TR17748A patent/TR17748A/xx unknown
- 1973-11-21 IT IT31566/73A patent/IT1001873B/it active
- 1973-12-13 CA CA188,119A patent/CA992621A/en not_active Expired
- 1973-12-18 GB GB5855673A patent/GB1450134A/en not_active Expired
- 1973-12-20 SE SE7317291A patent/SE384955B/xx unknown
- 1973-12-21 NL NL7317542A patent/NL7317542A/xx not_active Application Discontinuation
- 1973-12-21 DE DE2364187A patent/DE2364187C3/de not_active Expired
- 1973-12-24 KR KR7302227A patent/KR780000498B1/ko not_active Expired
- 1973-12-24 JP JP744865A patent/JPS5617849B2/ja not_active Expired
- 1973-12-27 BE BE139347A patent/BE809186A/xx not_active IP Right Cessation
- 1973-12-28 FR FR7347101A patent/FR2212683B1/fr not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3636475A (en) * | 1969-10-01 | 1972-01-18 | Rca Corp | Oscillator with variable reactive current frequency control |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1450134A (en) | 1976-09-22 |
| BE809186A (fr) | 1974-04-16 |
| IT1001873B (it) | 1976-04-30 |
| JPS5617849B2 (OSRAM) | 1981-04-24 |
| NL7317542A (OSRAM) | 1974-07-02 |
| CA992621A (en) | 1976-07-06 |
| DE2364187C3 (de) | 1986-10-23 |
| FR2212683A1 (OSRAM) | 1974-07-26 |
| AU6397873A (en) | 1975-07-03 |
| KR780000498B1 (en) | 1978-10-25 |
| DE2364187B2 (de) | 1976-08-26 |
| FR2212683B1 (OSRAM) | 1978-03-24 |
| DE2364187A1 (de) | 1974-07-11 |
| SE384955B (sv) | 1976-05-24 |
| TR17748A (tr) | 1976-07-01 |
| US3815051A (en) | 1974-06-04 |