JPS5957047U - Radio receiver frequency conversion circuit - Google Patents
Radio receiver frequency conversion circuitInfo
- Publication number
- JPS5957047U JPS5957047U JP15375182U JP15375182U JPS5957047U JP S5957047 U JPS5957047 U JP S5957047U JP 15375182 U JP15375182 U JP 15375182U JP 15375182 U JP15375182 U JP 15375182U JP S5957047 U JPS5957047 U JP S5957047U
- Authority
- JP
- Japan
- Prior art keywords
- frequency conversion
- conversion circuit
- radio receiver
- receiver frequency
- circuit
- 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
Landscapes
- Superheterodyne Receivers (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の周波数変換回路を構成する発振回路に於
ける発振周波数と発振出力レベルとの関係を示す図、第
２図、−第３図は従来の周波数変換回路を示す、回路図
、第４図見本考案に係る周波数変換回路の一実施例を示
す回路図、第５図は本考案の他の実施例を示す回路図、
第６図は本考案の、更に別の実施例を示す回路図である
。 。
１・・・発振コイル、Ｌ２・・・２次側巻線、５・・・
ＲＣフィルタ回路。FIG. 1 is a diagram showing the relationship between oscillation frequency and oscillation output level in an oscillation circuit constituting a conventional frequency conversion circuit, FIGS. 2 and 3 are circuit diagrams showing conventional frequency conversion circuits, Fig. 4 is a circuit diagram showing one embodiment of the frequency conversion circuit according to the sample invention; Fig. 5 is a circuit diagram showing another embodiment of the invention;
FIG. 6 is a circuit diagram showing still another embodiment of the present invention. . 1... Oscillation coil, L2... Secondary winding, 5...
RC filter circuit.
Claims (1)
線を含む回路に並列に、ＲＣフィルタ回路を接続したこ
とを特徴とするラジオ受信機の周波数変換回路ｂ ＋２ＪＲＣフィルタ回路は、抵抗とコンデンサよりなる
直列回路で構成さ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項記載のラジオ受信機の周波数変換回
路。(1) Frequency conversion circuit b for a radio receiver characterized in that an RC filter circuit is connected in parallel to a circuit including a secondary winding of an oscillation coil constituting the frequency conversion circuit. The frequency conversion circuit for a radio receiver according to claim 1, characterized in that it is constituted by a series circuit consisting of a capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15375182U JPS5957047U (en) | 1982-10-08 | 1982-10-08 | Radio receiver frequency conversion circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15375182U JPS5957047U (en) | 1982-10-08 | 1982-10-08 | Radio receiver frequency conversion circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5957047U true JPS5957047U (en) | 1984-04-13 |
Family
ID=30340072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15375182U Pending JPS5957047U (en) | 1982-10-08 | 1982-10-08 | Radio receiver frequency conversion circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5957047U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5126013U (en) * | 1974-08-15 | 1976-02-26 |
-
1982
- 1982-10-08 JP JP15375182U patent/JPS5957047U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5126013U (en) * | 1974-08-15 | 1976-02-26 |
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