JPH0448732U - - Google Patents
Info
- Publication number
- JPH0448732U JPH0448732U JP1990090481U JP9048190U JPH0448732U JP H0448732 U JPH0448732 U JP H0448732U JP 1990090481 U JP1990090481 U JP 1990090481U JP 9048190 U JP9048190 U JP 9048190U JP H0448732 U JPH0448732 U JP H0448732U
- Authority
- JP
- Japan
- Prior art keywords
- series circuit
- capacitor
- antenna
- antenna matching
- capacitor connected
- 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
- 239000003990 capacitor Substances 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Transceivers (AREA)
Description
第１図は本考案の一実施例を示す図、第２図は
本考案の説明に供するスミスチヤートである。
１……アンテナ、２……直列回路、３……コイ
ル、４……第１コンデンサ、５……第２コンデン
サ、６……接続端子。
FIG. 1 is a diagram showing an embodiment of the present invention, and FIG. 2 is a Smith chart for explaining the present invention. 1... Antenna, 2... Series circuit, 3... Coil, 4... First capacitor, 5... Second capacitor, 6... Connection terminal.
Claims (1)
ンテナの給電側に接続されたコイル及び第１コン
デンサよりなる直列回路と、この直列回路と並列
に接続された第２コンデンサとを具備し、前記直
列回路と第２コンデンサにてアンテナの整合を行
うと共に、前記直列回路と第２コンデンサとの接
続点を送受信回路に接続するようにしたことを特
徴とするアンテナ整合装置。 An antenna having an electrical length shorter than 1/4 wavelength, a series circuit including a coil and a first capacitor connected to the power feeding side of the antenna, and a second capacitor connected in parallel with the series circuit, An antenna matching device characterized in that antenna matching is performed using a series circuit and a second capacitor, and a connection point between the series circuit and the second capacitor is connected to a transmitting/receiving circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990090481U JPH0448732U (en) | 1990-08-28 | 1990-08-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990090481U JPH0448732U (en) | 1990-08-28 | 1990-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0448732U true JPH0448732U (en) | 1992-04-24 |
Family
ID=31825274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990090481U Pending JPH0448732U (en) | 1990-08-28 | 1990-08-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0448732U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63148704A (en) * | 1986-12-12 | 1988-06-21 | Hitachi Ltd | Microstrip antenna |
| JPS63314027A (en) * | 1987-06-17 | 1988-12-22 | Nec Corp | Antenna band correction circuit |
-
1990
- 1990-08-28 JP JP1990090481U patent/JPH0448732U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63148704A (en) * | 1986-12-12 | 1988-06-21 | Hitachi Ltd | Microstrip antenna |
| JPS63314027A (en) * | 1987-06-17 | 1988-12-22 | Nec Corp | Antenna band correction circuit |