JPH0420776U - - Google Patents

Info

Publication number
JPH0420776U
JPH0420776U JP6161090U JP6161090U JPH0420776U JP H0420776 U JPH0420776 U JP H0420776U JP 6161090 U JP6161090 U JP 6161090U JP 6161090 U JP6161090 U JP 6161090U JP H0420776 U JPH0420776 U JP H0420776U
Authority
JP
Japan
Prior art keywords
modulator
audio signal
oscillation circuit
secam
pal
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
Application number
JP6161090U
Other languages
Japanese (ja)
Other versions
JP2552306Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990061610U priority Critical patent/JP2552306Y2/en
Publication of JPH0420776U publication Critical patent/JPH0420776U/ja
Application granted granted Critical
Publication of JP2552306Y2 publication Critical patent/JP2552306Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Television Receiver Circuits (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本考案の一実施例のブロツク図、第2
図は従来の一例のブロツク図である。 6……FM変調発振回路、10……音声信号入
力端子、11……エンフアシス回路、12……出
力端子、13,18……同調回路、20……PA
L/SECAM両用IC、21……AM変調器、
22……発振回路、25……スイツチ回路、26
……発振動作切換制御信号入力端子、SW……
スイツチ。
Fig. 1 is a block diagram of an embodiment of the present invention;
The figure is a block diagram of a conventional example. 6...FM modulation oscillation circuit, 10...Audio signal input terminal, 11...Emphasis circuit, 12...Output terminal, 13, 18...Tuning circuit, 20...PA
L/SECAM dual-use IC, 21...AM modulator,
22...Oscillation circuit, 25...Switch circuit, 26
...Oscillation operation switching control signal input terminal, SW 1 ...
Switch.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] PAL用の音声信号FM変調発振回路と、SE
CAM用の音声信号AM変調器と、該AM変調器
に搬送波を供給するSECAM用発振回路とを設
けてなるPAL/SECAM切換えモジユレータ
用IC。
Audio signal FM modulation oscillation circuit for PAL and SE
An IC for a PAL/SECAM switching modulator, which is provided with an audio signal AM modulator for CAM and an oscillation circuit for SECAM that supplies a carrier wave to the AM modulator.
JP1990061610U 1990-06-11 1990-06-11 PAL / SECAM switching modulator IC Expired - Lifetime JP2552306Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990061610U JP2552306Y2 (en) 1990-06-11 1990-06-11 PAL / SECAM switching modulator IC

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990061610U JP2552306Y2 (en) 1990-06-11 1990-06-11 PAL / SECAM switching modulator IC

Publications (2)

Publication Number Publication Date
JPH0420776U true JPH0420776U (en) 1992-02-21
JP2552306Y2 JP2552306Y2 (en) 1997-10-29

Family

ID=31590011

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990061610U Expired - Lifetime JP2552306Y2 (en) 1990-06-11 1990-06-11 PAL / SECAM switching modulator IC

Country Status (1)

Country Link
JP (1) JP2552306Y2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5588474A (en) * 1978-12-26 1980-07-04 Hitachi Ltd Rf modulator for both pal and secam

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5588474A (en) * 1978-12-26 1980-07-04 Hitachi Ltd Rf modulator for both pal and secam

Also Published As

Publication number Publication date
JP2552306Y2 (en) 1997-10-29

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