JPH01167725U - - Google Patents
Info
- Publication number
- JPH01167725U JPH01167725U JP6414388U JP6414388U JPH01167725U JP H01167725 U JPH01167725 U JP H01167725U JP 6414388 U JP6414388 U JP 6414388U JP 6414388 U JP6414388 U JP 6414388U JP H01167725 U JPH01167725 U JP H01167725U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- shield member
- tuning
- diagram showing
- impedance element
- 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.)
- Granted
Links
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Structure Of Receivers (AREA)
Description
第１図はこの考案の第１の実施例の構成を示す
回路図、第２図は同実施例の機械的構成を示す斜
視図、第３図は同実施例の特性を示す特性図、第
４図はこの考案の第２の実施例の電気的構成を示
す回路図、第５図は同実施例の機械的構成を示す
斜視図、第６図は第１の実施例における通過帯域
幅の偏差を示すための特性図、第７図は第２の実
施例における通過帯域幅の偏差を示すための特性
図、第８図は従来の複同調回路の電気的構成を示
すブロツク図、第９図は従来の複同調回路の機械
的構成を示す斜視図である。
Ｔ１……１次タンク回路、Ｔ２……２次タンク
回路、５……シールド板（シールド部材、１４…
…抵抗（インピーダンス素子）、１６……容量（
インピーダンス素子）。
FIG. 1 is a circuit diagram showing the configuration of the first embodiment of this invention, FIG. 2 is a perspective view showing the mechanical structure of the same embodiment, FIG. 3 is a characteristic diagram showing the characteristics of the same embodiment, and FIG. Figure 4 is a circuit diagram showing the electrical configuration of the second embodiment of this invention, Figure 5 is a perspective view showing the mechanical configuration of the same embodiment, and Figure 6 is a diagram showing the passband width in the first embodiment. FIG. 7 is a characteristic diagram showing the deviation of the passband width in the second embodiment. FIG. 8 is a block diagram showing the electrical configuration of a conventional double-tuned circuit. The figure is a perspective view showing the mechanical configuration of a conventional double-tuned circuit. T1...Primary tank circuit, T2...Secondary tank circuit, 5...Shield plate (shield member, 14...
...Resistance (impedance element), 16...Capacitance (
impedance element).
Claims (1)
有したシールド部材を配置し、かつ、該シールド
部材と閉回路を構成するようにインピーダンス素
子を介挿したことを特徴とする複同調回路。 Double tuning characterized in that a shield member having a coupling window is arranged between a primary tuning circuit and a secondary tuning circuit, and an impedance element is inserted so as to form a closed circuit with the shield member. circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988064143U JPH0644183Y2 (en) | 1988-05-16 | 1988-05-16 | Double tuning circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988064143U JPH0644183Y2 (en) | 1988-05-16 | 1988-05-16 | Double tuning circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01167725U true JPH01167725U (en) | 1989-11-27 |
| JPH0644183Y2 JPH0644183Y2 (en) | 1994-11-14 |
Family
ID=31289624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988064143U Expired - Lifetime JPH0644183Y2 (en) | 1988-05-16 | 1988-05-16 | Double tuning circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0644183Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59119635U (en) * | 1983-01-31 | 1984-08-13 | ミツミ電機株式会社 | UHF tuner double tuning circuit |
| JPS6326124U (en) * | 1986-07-31 | 1988-02-20 |
-
1988
- 1988-05-16 JP JP1988064143U patent/JPH0644183Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59119635U (en) * | 1983-01-31 | 1984-08-13 | ミツミ電機株式会社 | UHF tuner double tuning circuit |
| JPS6326124U (en) * | 1986-07-31 | 1988-02-20 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0644183Y2 (en) | 1994-11-14 |