JPH0165563U - - Google Patents
Info
- Publication number
- JPH0165563U JPH0165563U JP1987160206U JP16020687U JPH0165563U JP H0165563 U JPH0165563 U JP H0165563U JP 1987160206 U JP1987160206 U JP 1987160206U JP 16020687 U JP16020687 U JP 16020687U JP H0165563 U JPH0165563 U JP H0165563U
- Authority
- JP
- Japan
- Prior art keywords
- mixer
- converter
- shielded
- mixing
- carrier wave
- 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
- 230000010355 oscillation Effects 0.000 claims 2
- 239000002131 composite material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Description
第１図はＲＦコンバータの回路図、第２図はそ
のＲＦコンバータを構成した基板部分の平面図、
第３図は第２図の−線の断面図である。
Figure 1 is a circuit diagram of the RF converter, Figure 2 is a plan view of the board part that constitutes the RF converter,
FIG. 3 is a sectional view taken along the - line in FIG. 2.
Claims (1)
の局部発振周波数と第１ミキサで混合して得た信
号を、可変の局部発振周波数と第２ミキサで混合
して送信テレビチヤンネル周波数信号を得るよう
にしたＲＦコンバータにおいて、 上記第１ミキサと上記第２ミキサとを異なるシ
ールド板でシールドし、該シールドした両ミキサ
の相互に隣接するシールド板の間に空間を設けた
ことを特徴とするＲＦコンバータ。 (2) 上記空間の間隔が少なくとも６mm以上離れ
ていることを特徴とする実用新案登録請求の範囲
第１項記載のＲＦコンバータ。[Claims for Utility Model Registration] (1) A signal obtained by mixing a composite signal of an audio carrier wave and a video carrier wave with a fixed local oscillation frequency in a first mixer, and mixing it with a variable local oscillation frequency in a second mixer. In the RF converter, the first mixer and the second mixer are shielded by different shield plates, and a space is provided between the adjacent shield plates of the two shielded mixers. An RF converter characterized by: (2) The RF converter according to claim 1, wherein the spaces are spaced apart by at least 6 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987160206U JPH0165563U (en) | 1987-10-20 | 1987-10-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987160206U JPH0165563U (en) | 1987-10-20 | 1987-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0165563U true JPH0165563U (en) | 1989-04-26 |
Family
ID=31442069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987160206U Pending JPH0165563U (en) | 1987-10-20 | 1987-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0165563U (en) |
-
1987
- 1987-10-20 JP JP1987160206U patent/JPH0165563U/ja active Pending
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