JPH0243075U - - Google Patents
Info
- Publication number
- JPH0243075U JPH0243075U JP12091388U JP12091388U JPH0243075U JP H0243075 U JPH0243075 U JP H0243075U JP 12091388 U JP12091388 U JP 12091388U JP 12091388 U JP12091388 U JP 12091388U JP H0243075 U JPH0243075 U JP H0243075U
- Authority
- JP
- Japan
- Prior art keywords
- modulation
- printed board
- shield case
- switching pin
- modulation carrier
- 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.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
Description
第１図は本考案を実施したＲＦ変調器及びその
取付け部材を示す斜視図、第２図は本考案を実施
したＲＦ変調器の分解斜視図、第３図、第４図及
び第５図は夫々本考案を実施したＲＦ変調器の使
用方法を説明するための図、第６図はＲＦ変調用
ＩＣの回路構成図、第７図は従来のＲＦ変調器で
使用される変調キヤリア切換え用のスイツチを示
す図である。
１……ＲＦ変調用ＩＣ、４……シールドケース
、６……プリント板、１３ａ，１３ｂ……透孔、
１５……金属片、１９……切換部材。
Fig. 1 is a perspective view showing an RF modulator embodying the present invention and its mounting member, Fig. 2 is an exploded perspective view of an RF modulator embodying the present invention, and Figs. 3, 4, and 5 are Figure 6 is a circuit configuration diagram of an RF modulation IC, and Figure 7 is a diagram for explaining how to use the RF modulator according to the present invention. It is a figure showing a switch. 1...RF modulation IC, 4...shield case, 6...printed board, 13a, 13b...through hole,
15...Metal piece, 19...Switching member.
Claims (1)
ることにより変調用キヤリアを切換えるようにし
たＲＦ変調用ＩＣを備えたＲＦ変調装置において
、 前記ＩＣが装着されるプリント板と、 前記プリント板が収納されるシールドケースと
、 前記シールドケースに開設された一対の透孔と
、 前記プリント板に一端が支持されるとともに前
記ＩＣの変調キヤリア切換えピンに接続され、他
端が前記透孔の近傍に配設されて前記一対の透孔
のいずれか一方から挿入される切換部材によつて
前記シールドケース内面に当接し得る弾性金属片
が設けられてなるＲＦ変調装置。[Claims for Utility Model Registration] An RF modulation device equipped with an RF modulation IC that switches a modulation carrier by grounding or ungrounding a modulation carrier switching pin, comprising: a printed board on which the IC is mounted; a shield case in which the printed board is housed; a pair of through holes formed in the shield case; one end supported by the printed board and connected to the modulation carrier switching pin of the IC, and the other end connected to the modulation carrier switching pin of the IC; An RF modulation device comprising: an elastic metal piece that is disposed near a through hole and can come into contact with the inner surface of the shield case by a switching member inserted from either one of the pair of through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12091388U JPH0243075U (en) | 1988-09-14 | 1988-09-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12091388U JPH0243075U (en) | 1988-09-14 | 1988-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0243075U true JPH0243075U (en) | 1990-03-26 |
Family
ID=31367448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12091388U Pending JPH0243075U (en) | 1988-09-14 | 1988-09-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0243075U (en) |
-
1988
- 1988-09-14 JP JP12091388U patent/JPH0243075U/ja active Pending
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