JPS645770B2 - - Google Patents
Info
- Publication number
- JPS645770B2 JPS645770B2 JP7964281A JP7964281A JPS645770B2 JP S645770 B2 JPS645770 B2 JP S645770B2 JP 7964281 A JP7964281 A JP 7964281A JP 7964281 A JP7964281 A JP 7964281A JP S645770 B2 JPS645770 B2 JP S645770B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- interference
- frequency
- uhf
- channel
- 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
Links
- 238000010586 diagram Methods 0.000 description 9
- 230000002452 interceptive effect Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
- H03J5/242—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
Landscapes
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Superheterodyne Receivers (AREA)
- Noise Elimination (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56079642A JPS57194639A (en) | 1981-05-26 | 1981-05-26 | Television tuning circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56079642A JPS57194639A (en) | 1981-05-26 | 1981-05-26 | Television tuning circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57194639A JPS57194639A (en) | 1982-11-30 |
| JPS645770B2 true JPS645770B2 (OSRAM) | 1989-01-31 |
Family
ID=13695751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56079642A Granted JPS57194639A (en) | 1981-05-26 | 1981-05-26 | Television tuning circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57194639A (OSRAM) |
-
1981
- 1981-05-26 JP JP56079642A patent/JPS57194639A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57194639A (en) | 1982-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4380828A (en) | UHF MOSFET Mixer | |
| US4249261A (en) | Superheterodyne radio receiver with nearby-station interference detection | |
| US5212828A (en) | Receiver apparatus | |
| US4814874A (en) | Intermediate-frequency processing circuit | |
| US5054117A (en) | Tunable UHF filter for switchable VHF/UHF receiver | |
| JP3481115B2 (ja) | 受信機 | |
| US5212824A (en) | Mixer for frequency converting both ground and satellite broadcasting signals | |
| US4766497A (en) | IF circuit with reduced sound attenuation for cable signals | |
| JP3375278B2 (ja) | チューナ | |
| JPS645770B2 (OSRAM) | ||
| US4225823A (en) | Front end circuits of FM receivers | |
| US6734761B2 (en) | Radio-frequency input stage | |
| JPH0730456A (ja) | テレビジョンチューナ | |
| US3458819A (en) | Uhf-if or vhf-if converter | |
| US4675634A (en) | Variable-capacitance tuning circuit for high-frequency signals | |
| JP3283425B2 (ja) | チューナのトラップ回路 | |
| JP3106513B2 (ja) | 電子同調式チューナ | |
| JP2861393B2 (ja) | 受信装置 | |
| JP2911136B2 (ja) | 入力同調フィルタ | |
| JP2575493B2 (ja) | 帯域可変バンドパスフィルタ | |
| KR890007396Y1 (ko) | 전자 동조 튜너 | |
| KR0135038Y1 (ko) | 인접채널의 특성개선을 위한 중간주파수 탱크회로 | |
| JPS5819165B2 (ja) | 複同調回路 | |
| KR940003931Y1 (ko) | 영상 수신회로 | |
| JPH0775410B2 (ja) | インテグレィテッド電子同調チューナ |