JPH032747U - - Google Patents
Info
- Publication number
- JPH032747U JPH032747U JP6168989U JP6168989U JPH032747U JP H032747 U JPH032747 U JP H032747U JP 6168989 U JP6168989 U JP 6168989U JP 6168989 U JP6168989 U JP 6168989U JP H032747 U JPH032747 U JP H032747U
- Authority
- JP
- Japan
- Prior art keywords
- local oscillation
- frequency
- oscillation signal
- signal
- mixer
- 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 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Superheterodyne Receivers (AREA)
Description
第１図は、この考案の一実施例の構成を示すブ
ロツク図、第２図は従来のチユーナ集積回路を用
いたダブルスーパー方式チユーナの構成を示すブ
ロツク図、第３図は従来の問題点を説明するため
の同チユーナの構成を示すブロツク図である。
４……チユーナ集積回路、５……混合器、７…
…局部発振器、２５……分周器。
Figure 1 is a block diagram showing the configuration of an embodiment of this invention, Figure 2 is a block diagram showing the configuration of a double super type tuner using a conventional tuner integrated circuit, and Figure 3 is a block diagram showing the configuration of a conventional tuner. FIG. 2 is a block diagram showing the configuration of the same tuner for explanation. 4... Tuner integrated circuit, 5... Mixer, 7...
...Local oscillator, 25... Frequency divider.
Claims (1)
数の局部発振信号を発生する局部発振器と、入力
信号と前記局部発振信号を混合して中間周波信号
を出力する混合器と、前記局部発振信号を分周す
る分周器とを備えたことを特徴とするチユーナ集
積回路。 A local oscillator that generates a local oscillation signal with a frequency based on the resonant frequency of an external resonant circuit, a mixer that mixes the input signal and the local oscillation signal and outputs an intermediate frequency signal, and a mixer that separates the local oscillation signal. A tuner integrated circuit characterized by comprising a frequency divider that rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6168989U JPH032747U (en) | 1989-05-26 | 1989-05-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6168989U JPH032747U (en) | 1989-05-26 | 1989-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH032747U true JPH032747U (en) | 1991-01-11 |
Family
ID=31590162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6168989U Pending JPH032747U (en) | 1989-05-26 | 1989-05-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH032747U (en) |
-
1989
- 1989-05-26 JP JP6168989U patent/JPH032747U/ja active Pending