JPH033138U - - Google Patents
Info
- Publication number
- JPH033138U JPH033138U JP6163989U JP6163989U JPH033138U JP H033138 U JPH033138 U JP H033138U JP 6163989 U JP6163989 U JP 6163989U JP 6163989 U JP6163989 U JP 6163989U JP H033138 U JPH033138 U JP H033138U
- Authority
- JP
- Japan
- Prior art keywords
- whose
- zener diode
- video signal
- circuit
- resistance 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.)
- Pending
Links
- 239000002131 composite material Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Amplitude Modulation (AREA)
- Filters And Equalizers (AREA)
Description
第１図は、本考案の一実施例を示す回路図であ
る。第２図は従来例を示す回路図である。第３図
は変調回路に入力される映像信号の一例を示す信
号波形図である。
１……入力端子、２……基準電位端、４……ツ
エナダイオード、７……バリスタ（非線形抵抗素
子）、１０……複合映像信号。
FIG. 1 is a circuit diagram showing an embodiment of the present invention. FIG. 2 is a circuit diagram showing a conventional example. FIG. 3 is a signal waveform diagram showing an example of a video signal input to the modulation circuit. 1...Input terminal, 2...Reference potential terminal, 4...Zena diode, 7...Varistor (nonlinear resistance element), 10...Composite video signal.
Claims (1)
ードと、一端が上記ツエナダイオードのアノード
に接続され、他端が基準電位端に接続された非線
形抵抗素子とを備えたことを特徴とする複合映像
信号の変調回路。 Modulation of a composite video signal characterized by comprising a Zener diode whose cathode is connected to an input terminal, and a nonlinear resistance element whose one end is connected to the anode of the Zener diode and whose other end is connected to a reference potential end. circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6163989U JPH033138U (en) | 1989-05-26 | 1989-05-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6163989U JPH033138U (en) | 1989-05-26 | 1989-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH033138U true JPH033138U (en) | 1991-01-14 |
Family
ID=31590067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6163989U Pending JPH033138U (en) | 1989-05-26 | 1989-05-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH033138U (en) |
-
1989
- 1989-05-26 JP JP6163989U patent/JPH033138U/ja active Pending
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