KR900010245Y1 - Fine tuning structure of a u.h.f. electronic tuner - Google Patents
Fine tuning structure of a u.h.f. electronic tuner Download PDFInfo
- Publication number
- KR900010245Y1 KR900010245Y1 KR2019880007906U KR880007906U KR900010245Y1 KR 900010245 Y1 KR900010245 Y1 KR 900010245Y1 KR 2019880007906 U KR2019880007906 U KR 2019880007906U KR 880007906 U KR880007906 U KR 880007906U KR 900010245 Y1 KR900010245 Y1 KR 900010245Y1
- Authority
- KR
- South Korea
- Prior art keywords
- fragment
- tuner
- inductor
- uhf
- trimmer
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
- H03J1/06—Driving or adjusting arrangements; combined with other driving or adjusting arrangements, e.g. of gain control
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/006—Casings specially adapted for signal processing applications, e.g. CATV, tuner, antennas amplifier
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Structure Of Receivers (AREA)
Abstract
내용 없음.No content.
Description
제1도는 일반적인 전자동조튜너에서 UHF 압력측의 입력부구조의 발췌개략도.1 is a schematic diagram of the input structure of the UHF pressure side in a general fully tuned tuner.
제2도는 제1도의 평면구조도.2 is a plan view of FIG.
제3도는 본 고안에 의한 요부참고사시도.3 is a reference perspective view of the main part of the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1 : 인덕터단편 14a : 단편안치벽1: inductor fragment 14a: fragment settling wall
본 고안은 UHF, VHF가 일체로 조합되어진 전자동조튜너에 관련된 것으로서, 이는 특히 UHF 튜너측의 입력부트리머판 미조구조에 관한 것이다.The present invention relates to a fully tuned tuner in which UHF and VHF are integrally combined, and more particularly, relates to an input structure trimmer plate microstructure on the UHF tuner side.
일반적인 UHF, VHF 일체형 전자동조튜너에서 분포정수회로방식의 UHF 입력측 구조는 RF 입력동조, 단간동조, 발진회로의 리액턴스 값을 철편형트리머를 이용하여서 되고 이는 제1도와 같은 예의 구성으로 되어 있다.In the general UHF and VHF integrated tuner, the UHF input side structure of the distributed constant circuit type uses the iron input trimmer for reactance values of the RF input tuning, inter-stage tuning, and oscillation circuit, as shown in FIG.
즉, 여기서는 금속물(12)내측에 실드격벽(14)과 프린트기판(15)이 고정되어지고, 이 프린트기판(15)에는 좌트리머판(11) 및 무평형 트리머판(11a) 중심도체(13)가 복수개의 격실에 각기 배치되어져서 상기 중심도체(13)가 UHF 공진회로의 일부로서 사용되어진다.That is, in this case, the shield partition 14 and the printed board 15 are fixed to the inner side of the metal 12, and the printed circuit board 15 has a center conductor (left trimmer plate 11 and flattened trimmer plate 11a). 13) are arranged in a plurality of compartments, respectively, so that the center conductor 13 is used as part of the UHF resonant circuit.
그리고, 이러한 중심도체(13)와 좌, 우 트리머판(11),(11a)은 기판(15)의 소정개소에 각기 천설한 취부구멍에 1매씩 삽입하여 납땜 처리에 의해 고정되어지고, RF회로등의 응답특성조성시 그 미세조정(이하 편의상 미조라 약칭한다)을 위해 중심도체(13)로부터 연설되어진 트리머판(11),(11a)을 조정집게등을 이용한 미조정을 행하게 된다.Then, the center conductor 13 and the left and right trimmer plates 11 and 11a are inserted into each of the mounting holes formed in the predetermined positions of the substrate 15 and fixed by soldering. When the response characteristics are formed, the trimmer plates 11 and 11a delivered from the center conductor 13 are fine-tuned using the adjusting forceps for fine adjustment (hereinafter, abbreviated as “jojo” for convenience).
그러나, 특히 상기 좌트리머판(11)을 조정할 시에는 중심 도체(13)까지 연동하므로 어느 특정부위를 조정하면 타부위가 변경되어지는 현상이 생겨 수차례 미세조정이 행하여져야만 한다는 불편함이 있었고, 심지어는 좌트리머판(11)이 실드격벽(14)측으로 접면되어 쇼트발생을 일으키게 되는 등의 문제점도 있었다.However, in particular, when adjusting the left trimmer plate 11, the center conductor 13 is interlocked, so there is an inconvenience in that the other part is changed by adjusting a specific part, and thus fine adjustment must be made several times. There is even a problem that the left trimmer plate 11 is folded toward the shield partition 14 to cause a short.
본 고안의 목적은 상기와 같은 종래기술의 결점을 해소하고 그 조정작업이 용이하게 이뤄질 수 있는 UHF 튜너입력측 트리머판 미조구조를 제공하려는 데 있다.It is an object of the present invention to provide a UHF tuner input side trimmer plate structure that can solve the above-mentioned drawbacks of the prior art and can be easily adjusted.
이러한 목적을 달성하기 위한 본 고안은 특히 금속틀내의 좌트리머판과 대향되는 실드격벽층으로 단편 안치벽을 마련하여 이에 별도의 보조인덕터 단편을 세우고 이 인덕터단편을 상기 트리머판과 별개로 미조가능케한 구조를 그 특징으로 하는 것이다.In order to achieve the above object, the present invention particularly provides a fragment settling wall as a shield partition layer facing the left trimmer plate in a metal frame, thereby establishing a separate auxiliary inductor fragment, and making the inductor fragment separate from the trimmer plate. It is characterized by the structure.
이하에서 이를 좀더 구체적으로 설명하면 다음과 같다.Hereinafter, this will be described in more detail.
제3도는 본 고안에 의한 미조구조가 마련된 실드판측과 인덕터 단편(1)을 나타내고 있다.3 shows the shield plate side and the inductor fragment 1 provided with the microstructure according to the present invention.
여기서는 중심도체(13)의 일측으로부터 연설되어진 트리머판(11)의 평판면과 대향된 위치에 장방형 인덕터단편(1)을 세우고, 이 인덕터단편(1)을 안치하기위한 실드격벽(14)을 뒤로 후퇴성형한 단편 안치벽(14a)을 성형하여서 된다.In this case, the rectangular inductor fragment 1 is placed at a position opposite to the flat surface of the trimmer plate 11 protruded from one side of the center conductor 13, and the shield partition 14 for placing the inductor fragment 1 is placed backwards. The receding fragment settled wall 14a may be formed.
그리고, 상기 미조구조는 해당개소(일예로, 단간동조, 발진회로측등)에 동일한 형태의 구성으로 이뤄지는 것이다.In addition, the structure of the aforesaid structure is made of the same type of configuration in the corresponding location (for example, inter-step tuning, oscillation circuit side, etc.).
이러한 구성의 본 고안은 UHF 튜너측의 RF 회로응답특성 조정시는 그 미조를 행할때 중심도체(13)의 트리머판(11)과 대향배치 되어진 인덕터 단편(1)을 조정기구등으로 소망하는데로 움직여서 그특성조정을 행할 수 있다.The present invention with such a configuration is that when adjusting the RF circuit response characteristic of the UHF tuner, the inductor fragment 1, which is arranged to face the trimmer plate 11 of the center conductor 13, is desired as an adjusting mechanism. The characteristic can be adjusted by moving.
여기서는, 상기 중심도체(13)측의 트리머판(11)과 별개로 독립된 인덕터 단편(1)을 움직이게 되어 그 특성조정을 미조하는 것이 편리하며 정확히 이뤄질 수 있게 된다.Here, the inductor fragment 1, which is independent of the trimmer plate 11 on the center conductor 13 side, is moved so that it is convenient and accurate to adjust its characteristics.
이러한 본 고안은 UHF 튜너의 분포회로특성조성시 그 중심도체의 트리머판을 움직여서 그 미조를 행하지 않게 되어 그 UHF 튜너의 특성 안정화와 조정작업에의 용이성등을 보장케되는 유익한 특징이 있는 것이다.The present invention has a beneficial feature to ensure that the UHF tuner's characteristics are stabilized and easy to adjust when the distribution circuit characteristics of the UHF tuner are not moved by moving the trimmer plate of the center conductor.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019880007906U KR900010245Y1 (en) | 1988-05-28 | 1988-05-28 | Fine tuning structure of a u.h.f. electronic tuner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019880007906U KR900010245Y1 (en) | 1988-05-28 | 1988-05-28 | Fine tuning structure of a u.h.f. electronic tuner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR890023894U KR890023894U (en) | 1989-12-04 |
| KR900010245Y1 true KR900010245Y1 (en) | 1990-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019880007906U KR900010245Y1 (en) | 1988-05-28 | 1988-05-28 | Fine tuning structure of a u.h.f. electronic tuner |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR900010245Y1 (en) |
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1988
- 1988-05-28 KR KR2019880007906U patent/KR900010245Y1/en not_active IP Right Cessation
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| Publication number | Publication date |
|---|---|
| KR890023894U (en) | 1989-12-04 |
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