JPS635733U - - Google Patents
Info
- Publication number
- JPS635733U JPS635733U JP9811686U JP9811686U JPS635733U JP S635733 U JPS635733 U JP S635733U JP 9811686 U JP9811686 U JP 9811686U JP 9811686 U JP9811686 U JP 9811686U JP S635733 U JPS635733 U JP S635733U
- Authority
- JP
- Japan
- Prior art keywords
- tuner
- tuner section
- uhf
- local oscillation
- vhf
- 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
- 230000010355 oscillation Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Noise Elimination (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Superheterodyne Receivers (AREA)
Description
第１図は本考案に係るチユーナの局部発振回路
の実施例を示す回路図、第２図は従来のチユーナ
の局部発振回路の回路図である。
１……ＵＨＦチユーナ部の局部発振回路、２…
…ＶＨＦチユーナ部の局部発振回路、３……トラ
ンジスタ増幅回路、ＵＢ……ＵＨＦチユーナ部の
電源ライン、ＨＢ，ＬＢ……ＶＨＦチユーナ部の
電源ライン、Ｄ１，Ｄ２……ダイオード。
FIG. 1 is a circuit diagram showing an embodiment of a local oscillation circuit for a tuner according to the present invention, and FIG. 2 is a circuit diagram of a conventional local oscillation circuit for a tuner. 1...Local oscillation circuit of UHF tuner section, 2...
...Local oscillation circuit of VHF tuner section, 3...Transistor amplifier circuit, UB...Power supply line of UHF tuner section, HB, LB...Power supply line of VHF tuner section, D1 , D2 ...Diode.
Claims (1)
と、生成した発振信号を増幅する共通の増幅回路
を具備するものであつて、上記増幅回路はＵＨＦ
チユーナ部の電源ラインとＶＨＦチユーナ部の電
源ラインにそれぞれダイオードを介して接続した
ことを特徴とするチユーナの局部発振装置。 Each local oscillation circuit of the UHF and VHF tuner section and a common amplifier circuit that amplifies the generated oscillation signal are provided, and the amplifier circuit is a UHF and VHF tuner.
A local oscillation device for a tuner, characterized in that it is connected to a power line of a tuner section and a power line of a VHF tuner section through diodes, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9811686U JPH0323721Y2 (en) | 1986-06-26 | 1986-06-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9811686U JPH0323721Y2 (en) | 1986-06-26 | 1986-06-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS635733U true JPS635733U (en) | 1988-01-14 |
| JPH0323721Y2 JPH0323721Y2 (en) | 1991-05-23 |
Family
ID=30965755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9811686U Expired JPH0323721Y2 (en) | 1986-06-26 | 1986-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0323721Y2 (en) |
-
1986
- 1986-06-26 JP JP9811686U patent/JPH0323721Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0323721Y2 (en) | 1991-05-23 |