KR930004660Y1 - 슈퍼 헤테로다인 수신회로 - Google Patents
슈퍼 헤테로다인 수신회로 Download PDFInfo
- Publication number
- KR930004660Y1 KR930004660Y1 KR2019880001494U KR880001494U KR930004660Y1 KR 930004660 Y1 KR930004660 Y1 KR 930004660Y1 KR 2019880001494 U KR2019880001494 U KR 2019880001494U KR 880001494 U KR880001494 U KR 880001494U KR 930004660 Y1 KR930004660 Y1 KR 930004660Y1
- Authority
- KR
- South Korea
- Prior art keywords
- circuit
- oscillation
- voltage
- frequency
- variable capacitance
- 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 - Lifetime
Links
- 230000010355 oscillation Effects 0.000 claims description 89
- 239000003990 capacitor Substances 0.000 claims description 27
- 238000001514 detection method Methods 0.000 claims description 19
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 239000010949 copper Substances 0.000 claims 1
- 230000007423 decrease Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Classifications
-
- 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
- H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
- H04N5/62—Intercarrier circuits, i.e. heterodyning sound and vision carriers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Superheterodyne Receivers (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987017359U JPS63125422U (enrdf_load_html_response) | 1987-02-09 | 1987-02-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR880017003U KR880017003U (ko) | 1988-10-08 |
KR930004660Y1 true KR930004660Y1 (ko) | 1993-07-22 |
Family
ID=30810046
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019880001494U Expired - Lifetime KR930004660Y1 (ko) | 1987-02-09 | 1988-02-09 | 슈퍼 헤테로다인 수신회로 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS63125422U (enrdf_load_html_response) |
KR (1) | KR930004660Y1 (enrdf_load_html_response) |
-
1987
- 1987-02-09 JP JP1987017359U patent/JPS63125422U/ja active Pending
-
1988
- 1988-02-09 KR KR2019880001494U patent/KR930004660Y1/ko not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR880017003U (ko) | 1988-10-08 |
JPS63125422U (enrdf_load_html_response) | 1988-08-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR940005381B1 (ko) | 다대역 튜너용 튜닝 회로 | |
US4593255A (en) | Varactor tuned Colpitts oscillator with compensating varactor for wide band width | |
US5339048A (en) | Radio frequency amplifier | |
US4160953A (en) | Self-oscillation mixer circuits | |
US4731592A (en) | Voltage controllable oscillator | |
US4056787A (en) | Self-oscillating mixer circuit | |
US3949306A (en) | High frequency amplifier with frequency conversion | |
KR960003664B1 (ko) | 이중 게이트 튜너블 발진기 | |
CA1085939A (en) | Voltage controlled oscillator | |
KR930004660Y1 (ko) | 슈퍼 헤테로다인 수신회로 | |
US4751475A (en) | Local oscillation apparatus | |
EP1079512B1 (en) | Two-band oscillating device | |
US4797638A (en) | Oscillator including a transistor used both as constant current source and amplifier | |
KR960003169B1 (ko) | 발진기 장치 | |
KR100286465B1 (ko) | 발진회로 | |
US7088984B2 (en) | Electronic tuner | |
US3823379A (en) | Television automatic gain control circuitry providing for compatible control of vhf tuner and uhf tuner | |
US6359521B1 (en) | Oscillator with buffer circuit in which deterioration in C/N ratio is lightened | |
KR910001649B1 (ko) | 국부발진회로 | |
US3573631A (en) | Oscillator circuit with series resonant coupling to mixer | |
US3792359A (en) | High frequency automatic gain control circuits | |
KR900010618Y1 (ko) | 전자동조식 튜너의 국부발진출력 안정화회로 | |
EP1117177B1 (en) | Voltage controlled oscillator | |
US7414675B2 (en) | Television tuner being capable of receiving FM broadcast signal | |
KR0134964B1 (ko) | 증폭기 트랜지스터를 갖는 증폭기회로 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19880209 |
|
UG1501 | Laying open of application | ||
A201 | Request for examination | ||
UA0201 | Request for examination |
Patent event date: 19901122 Patent event code: UA02012R01D Comment text: Request for Examination of Application Patent event date: 19880209 Patent event code: UA02011R01I Comment text: Application for Utility Model Registration |
|
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: 19930227 |
|
UG1604 | Publication of application |
Patent event code: UG16041S01I Comment text: Decision on Publication of Application Patent event date: 19930626 |
|
E701 | Decision to grant or registration of patent right | ||
UE0701 | Decision of registration |
Patent event date: 19940217 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
|
REGI | Registration of establishment | ||
UR0701 | Registration of establishment |
Patent event date: 19940421 Patent event code: UR07011E01D Comment text: Registration of Establishment |
|
UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 19940421 |
|
UR1001 | Payment of annual fee |
Payment date: 19960417 Start annual number: 4 End annual number: 4 |
|
UR1001 | Payment of annual fee |
Payment date: 19970605 Start annual number: 5 End annual number: 5 |
|
UR1001 | Payment of annual fee |
Payment date: 19980506 Start annual number: 6 End annual number: 6 |
|
UR1001 | Payment of annual fee |
Payment date: 19990428 Start annual number: 7 End annual number: 7 |
|
UR1001 | Payment of annual fee |
Payment date: 20000710 Start annual number: 8 End annual number: 8 |
|
UR1001 | Payment of annual fee |
Payment date: 20010711 Start annual number: 9 End annual number: 9 |
|
FPAY | Annual fee payment |
Payment date: 20020709 Year of fee payment: 10 |
|
UR1001 | Payment of annual fee |
Payment date: 20020709 Start annual number: 10 End annual number: 10 |
|
EXPY | Expiration of term | ||
UC1801 | Expiration of term |