JPH03128338U - - Google Patents
Info
- Publication number
- JPH03128338U JPH03128338U JP1990035782U JP3578290U JPH03128338U JP H03128338 U JPH03128338 U JP H03128338U JP 1990035782 U JP1990035782 U JP 1990035782U JP 3578290 U JP3578290 U JP 3578290U JP H03128338 U JPH03128338 U JP H03128338U
- Authority
- JP
- Japan
- Prior art keywords
- output
- sif
- audio
- digital audio
- intercarrier
- 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
- 230000005236 sound signal Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Circuits Of Receivers In General (AREA)
- Television Receiver Circuits (AREA)
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は従来例を示すブロツク図、第３図は、Ｓ
ＡＷフイルター出力の帯域特性図を示す。
１……チユーナ、２……ＳＡＷフイルタ、３…
…映像ＩＦ増幅、４……バンドパスフイルタ、５
……ＳＩＦ検波回路、６……デイジタル音声復調
回路、７……音声トラツプ、８……映像検波回路
、９……ＦＭ検波回路。
FIG. 1 is a block diagram showing an embodiment of the present invention.
Fig. 2 is a block diagram showing a conventional example, and Fig. 3 is a block diagram showing a conventional example.
A band characteristic diagram of the AW filter output is shown. 1... Chuyuna, 2... SAW filter, 3...
...Video IF amplification, 4...Band pass filter, 5
... SIF detection circuit, 6 ... Digital audio demodulation circuit, 7 ... Audio trap, 8 ... Video detection circuit, 9 ... FM detection circuit.
Claims (1)
インターキヤリア出力とクワジパラレル出力の二
つの出力を持つＳＡＷフイルタを用いて、ＦＭ音
声はインターキヤリア出力によりＦＭ音声ＳＩＦ
信号を得て、デイジタル音声はクワジパラレル出
力によりデイジタル音声ＳＩＦ信号を得ることを
特徴とするＳＩＦ回路。 In a digital audio multiplex broadcast receiver,
Using a SAW filter with two outputs, intercarrier output and quasi parallel output, FM audio is converted to FM audio SIF by intercarrier output.
An SIF circuit which obtains a digital audio signal and obtains a digital audio SIF signal by quadriparallel output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990035782U JPH03128338U (en) | 1990-04-04 | 1990-04-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990035782U JPH03128338U (en) | 1990-04-04 | 1990-04-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03128338U true JPH03128338U (en) | 1991-12-24 |
Family
ID=31541439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990035782U Pending JPH03128338U (en) | 1990-04-04 | 1990-04-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03128338U (en) |
-
1990
- 1990-04-04 JP JP1990035782U patent/JPH03128338U/ja active Pending