JPH02103934U - - Google Patents
Info
- Publication number
- JPH02103934U JPH02103934U JP1185389U JP1185389U JPH02103934U JP H02103934 U JPH02103934 U JP H02103934U JP 1185389 U JP1185389 U JP 1185389U JP 1185389 U JP1185389 U JP 1185389U JP H02103934 U JPH02103934 U JP H02103934U
- Authority
- JP
- Japan
- Prior art keywords
- pulse width
- standing wave
- wave ratio
- detection circuit
- voltage standing
- 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 3
- 238000003079 width control Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Amplifiers (AREA)
- Transmitters (AREA)
Description
第1図は、本考案の一実施例の構成図。第2図
は、従来の構成を示す図。 1……方向性結合器、2,3……検波整流回路
、4……演算回路、5……三角波発生器、6……
比較器、7……制御回路。
は、従来の構成を示す図。 1……方向性結合器、2,3……検波整流回路
、4……演算回路、5……三角波発生器、6……
比較器、7……制御回路。
Claims (1)
- 高周波出力系統から進行波と反射波を検出整流
して、反射系数及び定在波比の少なくとも一方を
演算する電圧定在波比(VSWR)検出回路と、
前記電圧定在波比検出回路の出力に応じてパルス
幅を可変するパルス幅変調器とを具備することを
特徴とするパルス幅自動制御回路。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1185389U JPH02103934U (ja) | 1989-02-03 | 1989-02-03 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1185389U JPH02103934U (ja) | 1989-02-03 | 1989-02-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02103934U true JPH02103934U (ja) | 1990-08-17 |
Family
ID=31220771
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1185389U Pending JPH02103934U (ja) | 1989-02-03 | 1989-02-03 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02103934U (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7933325B2 (en) | 2004-09-28 | 2011-04-26 | Aisin Seiki Kabushiki Kaisha | Antenna driving apparatus |
-
1989
- 1989-02-03 JP JP1185389U patent/JPH02103934U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7933325B2 (en) | 2004-09-28 | 2011-04-26 | Aisin Seiki Kabushiki Kaisha | Antenna driving apparatus |