KR960008361Y1 - Signal leakage preventing device for high freq. amp - Google Patents
Signal leakage preventing device for high freq. amp Download PDFInfo
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- KR960008361Y1 KR960008361Y1 KR2019930025528U KR930025528U KR960008361Y1 KR 960008361 Y1 KR960008361 Y1 KR 960008361Y1 KR 2019930025528 U KR2019930025528 U KR 2019930025528U KR 930025528 U KR930025528 U KR 930025528U KR 960008361 Y1 KR960008361 Y1 KR 960008361Y1
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- signal
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- 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
- H05K9/0056—Casings specially adapted for microwave applications
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- Microelectronics & Electronic Packaging (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
요약 없음.No summary.
Description
제1도는 종래의 고주파 증폭기를 나타낸 분리사시도1 is an exploded perspective view showing a conventional high frequency amplifier
제2도는 제1도에서 신호누설 방지장치를 나타낸 사시도2 is a perspective view showing a signal leakage prevention device in FIG.
제3도는 본 고안에 따른 고주파 증폭기를 나타낸 분리사시도3 is an exploded perspective view showing a high frequency amplifier according to the present invention
제4도는 본 고안의 요부인 신호누설 방지장치를 나타낸 사시도이다.4 is a perspective view showing a signal leakage prevention device that is the main part of the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
11 : 몸체12 : 커넥터11 body 12 connector
13 : RF회로기판13a, 11b : 사각구멍13: RF circuit board 13a, 11b: square hole
13b : 구멍14 : 아이솔레이터13b: hole 14: isolator
15 : 스테이지16, 21 : 쉴드15: stage 16, 21: shield
16a : 공간부16b : 사각홈16a: space portion 16b: square groove
17 : 체결나사18, 19 : 제1,2캡17: tightening screw 18, 19: 1st, 2nd cap
18a, 19c : 홈19a : 돌출부18a, 19c: groove 19a: protrusion
19b, 21a : 나사구멍20 : 덮개19b, 21a: screw hole 20: cover
22 : 누설차단부재22: leakage blocking member
본 고안은 고주파 증폭기의 신호누설 방지장치에 관한 것으로서, 보다 상세하게는 고주파 증폭기의 동작시 누설되는 고주파 신호를 방지시키기 위한 쉴드(Shield) 및 캡(Cap)의 구조를 개선하여 신호누설로 인하여 발생되는 발진이 제거되고, 조립공수를 절감시킴은 물론 안정된 고주파 신호를 얻을 수 있도록 한 고주파 증폭기의 신호누설 방지장치에 관한 것이다.The present invention relates to a device for preventing signal leakage of a high frequency amplifier, and more particularly, it is generated due to signal leakage by improving the structure of a shield and a cap to prevent a high frequency signal leaking during operation of the high frequency amplifier. The present invention relates to a signal leakage prevention device of a high frequency amplifier, in which oscillation is eliminated and assembly time is reduced as well as a stable high frequency signal is obtained.
종래의 고주파 증폭기는, 제1도 및 제2도에 나타낸 바와같이 양측면에 커넥터(12)가 장착된 몸체(11)의 내부상면에는 RF회로기판(13)의 일단에 형성된 구멍(13b)이 삽입되는 돌기(11a)가 돌출 형성되어 있고 상기 RF회로기판(13)의 상면에는 아이솔레이터(ISOLATOR)(14) 및 스테이지(STAGE)(15)가 삽입되도록 사각구멍(13a)이 형성되어 있다.In the conventional high frequency amplifier, as shown in Figs. 1 and 2, a hole 13b formed at one end of the RF circuit board 13 is inserted into the inner upper surface of the body 11 having the connector 12 mounted on both sides thereof. The projection 11a is formed to protrude, and a square hole 13a is formed on the upper surface of the RF circuit board 13 so that an isolator 14 and a stage 15 are inserted.
상기 RF회로기판(13)의 상부에는, 쉴드(16)가 장착되되 상기 쉴드(16)와 RF회로기판(13)를 가조립하여 몸체(11)에 고정시키는 복수개의 체결나사(17)가 구비되어 있다.On the upper portion of the RF circuit board 13, a shield 16 is mounted, but a plurality of fastening screws 17 are provided to temporarily assemble the shield 16 and the RF circuit board 13 to the body 11. have.
상기 쉴드(16)에는, 제1,2캡(18)(19)이 삽입장착되는 공간부(16a)가 형성되어 있고 그 일측면에는 사각홈(16b)이 형성되어 있으며, 상기 쉴드(16)의 공간부(16a)에 장착되는 제1캡(19)에는 나사구멍(19b)이 형성된 돌출부(19a)가 일측에 형성되어 있다.The shield 16 is formed with a space portion 16a into which the first and second caps 18 and 19 are inserted, and a square groove 16b is formed at one side thereof, and the shield 16 is formed. In the first cap 19 to be mounted in the space portion 16a of the projection 19a having a screw hole 19b is formed on one side.
또한, 상기 제1,2 캡(18)(19)의 저면에는 스테이지(15)에 각각 형성된 돌출부(15a)가 각각 끼워맞춤되게 홈(18a)(19c)이 형성되어 있으며, 상기 제1,2 캡(18)(19)의 상부에는 쉴드(16)에 고정되는 덮개(20)가 체결나사(17)로 체결고정되도록 구성되어 있다.In addition, grooves 18a and 19c are formed on the bottoms of the first and second caps 18 and 19 so that the protrusions 15a respectively formed on the stage 15 are fitted to each other. The upper part of the cap 18, 19 is configured so that the cover 20 which is fixed to the shield 16 is fastened to the fastening screw 17.
상기와 같이 구성된 종래의 고주파 증폭기는, 양측면에 커넥터(12)가 장착된 몸체(11) 내부의 돌기(11a)와 FR회로기판(13)의 구멍(13b)을 일치시켜 RF회로기판(13)이 유동되지 못하게 고정시킨다.In the conventional high frequency amplifier configured as described above, the RF circuit board 13 is made by matching the projection 11a in the body 11 having the connector 12 mounted on both sides with the hole 13b of the FR circuit board 13. To prevent it from flowing.
이때, 상기 RF회로기판(13)의 사각구멍(13a)과 몸체(11) 내부의 사각구멍(11b)이 일치되고 상기 사각구멍(11b)에 아이솔레이터(14)와 다수개의 스테이지(15)를 삽입하여 장착시킨다.At this time, the square hole 13a of the RF circuit board 13 and the square hole 11b inside the body 11 coincide with each other, and the isolator 14 and the plurality of stages 15 are inserted into the square hole 11b. To install it.
또한, 고주파 증폭기의 동작시 누설되는 고주파 신호를 방지시키기 위한 쉴드(16)와 제1,2 캡(18)(19)을 체결나사(17)로 조립시켜 RF회로기판(13)의 상부에서 체결나사(17)로 고정시킨다.In addition, the shield 16 and the first and second caps 18 and 19 are assembled with a fastening screw 17 to prevent high frequency signals from leaking during the operation of the high frequency amplifier. Secure with screws (17).
이때, 상기 쉴드(16)측 공간부(16a) 주위의 사각홈(16b)에 제2캡(19)의 돌출부(19a)를 삽입하여 체결나사(17)로 조이고 상기 제1,2 캡(18)(19) 저면의 홈(18a)(19c)이 RF회로기판(13)에 장착된 스테이지(15)의 돌출부(15a)에 끼워맞춤시킨 다음, 덮개(20)를 쉴드(16)에 쓰워 체결나사(17)로 체결하여 고정시키게된다.At this time, the projections 19a of the second cap 19 are inserted into the square grooves 16b around the shield 16 side space portion 16a, and tightened with the fastening screws 17, and the first and second caps 18 (19) The grooves 18a and 19c at the bottom fit into the protrusions 15a of the stage 15 mounted on the RF circuit board 13, and then the cover 20 is screwed into the shield 16. It is fixed by fastening with a screw (17).
그러나, 상기와같은 신호누설 방지장치는 고주파 증폭기의 동작과 고주파 신호누설을 방지시키는 쉴드 및 제1,2캡을 체결나사에 의해 조립시켜 신호누설을 방지했기 때문에 이로 인하여 작업공수 및 재료비가 증가되고, 쉴드와 이에 조립된 제1,2캡의 미세한 틈새에서 고주파 신호가 누설되어 증폭기에 발진이 일어남은 물론 고주파 신호가 증폭기 전체로 전달되어 고주파 증폭기에서 요구되는 특성값이 불안정되어 제품의 신뢰도를 저하시키는 문제점이 있었다.However, the signal leakage prevention device as described above prevents signal leakage by assembling the shield and the first and second caps to prevent the signal leakage by the operation of the high frequency amplifier and the high frequency signal leakage. , The high frequency signal leaks from the minute gap between the shield and the first and second caps assembled therein, and the oscillation occurs in the amplifier, and the high frequency signal is transmitted to the entire amplifier. There was a problem letting.
본 고안은 상기와 같은 종래의 제반 문제점을 해결하기 위해 연구개발한 것으로서, 본 고안의 목적은, 고주파 증폭기 내부에 장착되는 쉴드와 제1,2캡을 다이캐스팅(Diecastion)으로 성형하여 일체화하고 상기 쉴드의 덮개 저면에 누설차단부재를 부착함으로써 종래에 고주파 신호누설을 방지하기 위해 사용되었던 제1,2캡이 삭제되어 재료비 및 작업공수가 감소되고, 쉴드의 상방향으로 누설되는 고주파 신호가 완전하게 차단되어 안정된 고주파 특성값을 얻을 수 있음은 물론 제품의 신뢰성을 향상시킬 수 있는 고주파 증폭기의 신호누설 방지장치를 제공함에 있다.The present invention has been researched and developed in order to solve the conventional problems as described above, the object of the present invention, the shield and the first and second caps mounted inside the high-frequency amplifier by the die casting (Diecastion) to integrate and the shield By attaching the leakage blocking member to the bottom of the cover, the first and second caps, which have been conventionally used to prevent high frequency signal leakage, are eliminated, thereby reducing material cost and labor, and completely blocking high frequency signals leaking upward of the shield. The present invention provides a signal leakage prevention device of a high frequency amplifier capable of obtaining stable high frequency characteristic values and of improving product reliability.
상기와 같은 목적을 달성하기 위한 본 고안의 특징은, 고주파 증폭기 내부에 장착되는 쉴드와, 이에 조립되는 캡에 의해 증폭기에서 발생되는 고주파 신호의 누설을 방지시키는 신호누설 방지장치에 있어서, 상기 쉴드의 상방향으로 누설되는 고주파 신호를 차단시킬 수 있도록 덮개의 저면에 누설차단부재가 형성되고 상기 쉴드와 조립된 캡 틈새에서 발생되는 누설신호가 완전하게 방지되도록 쉴드와 캡을 일체로 성형되어 있는 점에 있다.A feature of the present invention for achieving the above object is a shield mounted inside the high frequency amplifier, and a signal leakage prevention device for preventing the leakage of the high frequency signal generated by the amplifier by the cap assembled therein, the shield of The leakage blocking member is formed on the bottom surface of the cover to block the high frequency signal leaking in the upward direction, and the shield and the cap are integrally formed to completely prevent the leakage signal generated in the cap gap assembled with the shield. have.
이하, 본 고안에 따른 고주파 증폭기의 신호누설 방지장치를 바람직한 실시예의 첨부도면에 의하여 상세하게 설명한다.Hereinafter, an apparatus for preventing signal leakage of a high frequency amplifier according to the present invention will be described in detail with reference to the accompanying drawings of a preferred embodiment.
제3도 및 제4도는 본 고안에 따른 신호누설 방지장치를 설명하기 위해 나타낸 도면으로서, 양측면에 커넥터(12)가 장착된 몸체(11)의 내부상면에는 RF회로기판(13)의 일단에 형성된 구멍(13b)이 삽입되는 돌기(11a)가 돌출형성되어 있고 상기 RF회로기판(13)의 상면에는 아이솔레이터(14) 및 스테이지(15)가 삽입되도록 사각구멍(13a)이 형성되어 있다.3 and 4 are diagrams for explaining the signal leakage prevention device according to the present invention, the inner upper surface of the body 11, the connector 12 is mounted on both sides formed on one end of the RF circuit board 13 A projection 11a into which the hole 13b is inserted is formed to protrude, and a square hole 13a is formed on the upper surface of the RF circuit board 13 to insert the isolator 14 and the stage 15.
상기 RF회로기판(13)의 상부에는 쉴드(21)와 캡(도시되지않음)이 다이캐스팅(Diecasting)에 의해 일체로 성형되어 장착되며, 상기 쉴드(21)와 RF회로기판(13)을 조립하여 몸체(11)에 고정 시키는 다수개의 체결나사(17)가 구비되어 있다.The shield 21 and the cap (not shown) are integrally molded and mounted on the upper portion of the RF circuit board 13 by diecasting, and the shield 21 and the RF circuit board 13 are assembled to each other. A plurality of fastening screws 17 fixed to the body 11 are provided.
또한, 상기 쉴드(21)의 상단에는 상방향으로 누설되는 고주파 신호를 차단하는 덮개(20)가 구비되고, 이 덮개(20)의 저면에는 누설신호를 완전하게 차단하는 누설차단부재(22)가 부착되어 있으며, 상기 덮개(20)를 쉴드(21)에 결합시키는 다수개의 체결나사(17)가 구비되어 있다.In addition, the top of the shield 21 is provided with a cover 20 for blocking a high frequency signal leaking in the upward direction, the bottom of the cover 20 is a leakage blocking member 22 for completely blocking the leakage signal It is attached, and a plurality of fastening screws 17 for coupling the cover 20 to the shield 21 is provided.
상기와 같이 구성된 고주파 증폭기의 신호누설 방지장치는 양측면에 커넥터(12)가 장착된 상기 몸체(11) 내부의 돌기(11a)에 메인회로기판(도시되지 않음)과 RF회로기판(13)의 구멍(13b)을 끼워 RF회로기판(13)이 유동되지 않도록 고정시키고, 상기 RF회로기판(13)상면의 사각구멍(13a)과 몸체(11) 내부의 사각구멍(11b)을 일치시킨 상태에서 아이솔레이터(14)와 다수의 스테이지(15)를 삽입하여 몸체(11) 상면에 체결나사(17)로 장착시킨다.The signal leakage preventing device of the high frequency amplifier configured as described above includes a hole in the main circuit board (not shown) and the RF circuit board 13 in the protrusion 11a inside the body 11 having the connectors 12 mounted on both sides thereof. The RF circuit board 13 is inserted to fix the RF circuit board 13 so that the RF circuit board 13 does not flow, and the isolator is aligned with the square hole 13a on the upper surface of the RF circuit board 13 and the square hole 11b inside the body 11. 14 and the plurality of stages 15 are inserted into the body 11 by the fastening screw 17.
또한, 고주파 증폭기(10)의 동작시 신호누설을 방지시키는 쉴드(21)를 RF회로기판(13)의 상면에 안착시키고, 상기 쉴드(21) 외측면의 나사구멍(21a)에 체결나사(17)를 조여 쉴드(21)와 RF회로기판(13)을 조립한다.In addition, a shield 21 for preventing signal leakage during the operation of the high frequency amplifier 10 is seated on the upper surface of the RF circuit board 13, and the fastening screw 17 in the screw hole 21a on the outer surface of the shield 21. ) To assemble the shield 21 and the RF circuit board 13.
그리고, 상기 쉴드(21)의 상부로 누설되는 고주파 신호를 차단하는 누설 차단부재(22)가 부착된 덮개(20)를 체결나사(17)에 의해 쉴드(21)와 조립시킨다.Then, the cover 20 with the leakage blocking member 22 for blocking the high frequency signal leaking to the upper portion of the shield 21 is assembled with the shield 21 by the fastening screw 17.
이상에서와 같이 본 고안에 따른 고주파 증폭기의 신호누설 방지장치에 의하면, 증폭기 내부에 장착되는 쉴드와 제1,2캡이 다이캐스팅에 의해 일체로 성형되고 쉴드에 결합되는 덮개 저면으로 누설차단부재를 부착함으로써 작업공수 및 재료비가 감소되고 상기 쉴드의 상방향으로 누설되는 고주파 신호가 완전하게 차단되어 안정된 고주파 특성값을 얻을 수 있음은 물론 제품의 신뢰성을 향상시킬 수 있는 효과가 있다.As described above, according to the signal leakage prevention device of the high frequency amplifier according to the present invention, the shield and the first and second caps mounted inside the amplifier are integrally formed by die casting and attach the leakage blocking member to the bottom of the cover coupled to the shield. As a result, work man-hours and material costs are reduced, and high frequency signals leaking upward of the shield are completely blocked to obtain stable high frequency characteristic values, as well as to improve product reliability.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019930025528U KR960008361Y1 (en) | 1993-11-29 | 1993-11-29 | Signal leakage preventing device for high freq. amp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019930025528U KR960008361Y1 (en) | 1993-11-29 | 1993-11-29 | Signal leakage preventing device for high freq. amp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR950015816U KR950015816U (en) | 1995-06-19 |
| KR960008361Y1 true KR960008361Y1 (en) | 1996-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019930025528U KR960008361Y1 (en) | 1993-11-29 | 1993-11-29 | Signal leakage preventing device for high freq. amp |
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| Country | Link |
|---|---|
| KR (1) | KR960008361Y1 (en) |
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1993
- 1993-11-29 KR KR2019930025528U patent/KR960008361Y1/en not_active IP Right Cessation
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| Publication number | Publication date |
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| KR950015816U (en) | 1995-06-19 |
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