JPH0284401U - - Google Patents
Info
- Publication number
- JPH0284401U JPH0284401U JP16271388U JP16271388U JPH0284401U JP H0284401 U JPH0284401 U JP H0284401U JP 16271388 U JP16271388 U JP 16271388U JP 16271388 U JP16271388 U JP 16271388U JP H0284401 U JPH0284401 U JP H0284401U
- Authority
- JP
- Japan
- Prior art keywords
- sub
- output terminal
- input terminal
- line output
- detection circuit
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Monitoring And Testing Of Transmission In General (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Description
第１図はこの考案の一実施例を示す図、第２図
は従来のモニタ回路を示す図であり、１は方向性
結合器、２は主線路入力端子、３は主線路出力端
子、４は副線路入力端子、５は副線路出力端子、
６は無反射終端器、７は検波回路、８は検波回路
入力端子、９は検波回路出力端子、１０はダイオ
ード、１１はチヨークコイル、１２は負荷抵抗、
１３はバイパスコンデンサ、１４は帯域通過フイ
ルタである。なお、図中、同一符号は同一、また
は相当部分を示す。
FIG. 1 is a diagram showing an embodiment of this invention, and FIG. 2 is a diagram showing a conventional monitor circuit, in which 1 is a directional coupler, 2 is a main line input terminal, 3 is a main line output terminal, and 4 is a diagram showing a conventional monitor circuit. is the sub line input terminal, 5 is the sub line output terminal,
6 is a non-reflection terminator, 7 is a detection circuit, 8 is a detection circuit input terminal, 9 is a detection circuit output terminal, 10 is a diode, 11 is a chiyoke coil, 12 is a load resistor,
13 is a bypass capacitor, and 14 is a band pass filter. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
端子、副線路出力端子を有する方向性結合器と、
副線路入力端子につながる無反射終端器と、副線
路出力端子につながる検波回路とで構成されるモ
ニタ回路において、前記方向性結合器の副線路出
力端子と検波回路間に帯域通過フイルタを付加し
たことを特徴とするモニタ回路。 A directional coupler having a main line input terminal, a main line output terminal, a sub line input terminal, and a sub line output terminal;
In a monitor circuit consisting of a non-reflection terminator connected to a sub-line input terminal and a detection circuit connected to a sub-line output terminal, a bandpass filter is added between the sub-line output terminal of the directional coupler and the detection circuit. A monitor circuit characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16271388U JPH0284401U (en) | 1988-12-15 | 1988-12-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16271388U JPH0284401U (en) | 1988-12-15 | 1988-12-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0284401U true JPH0284401U (en) | 1990-06-29 |
Family
ID=31446789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16271388U Pending JPH0284401U (en) | 1988-12-15 | 1988-12-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0284401U (en) |
-
1988
- 1988-12-15 JP JP16271388U patent/JPH0284401U/ja active Pending