JPH0228148U - - Google Patents
Info
- Publication number
- JPH0228148U JPH0228148U JP10751788U JP10751788U JPH0228148U JP H0228148 U JPH0228148 U JP H0228148U JP 10751788 U JP10751788 U JP 10751788U JP 10751788 U JP10751788 U JP 10751788U JP H0228148 U JPH0228148 U JP H0228148U
- Authority
- JP
- Japan
- Prior art keywords
- stub
- transmitter
- antenna
- power amplifier
- connection path
- 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
- Transmitters (AREA)
Description
第１図は本考案を適用する送信機のスプリアス
除去回路の実施例を示す要部ブロツク図、第２図
は別な実施例の同上図、第３図は従来のスプリア
ス除去回路を示すブロツク図である。
１……電力増幅回路、２……ローパスフイルタ
、３……アンテナ、４……接続路、５，６……オ
ープンスタブ。
Fig. 1 is a main part block diagram showing an embodiment of a spurious removal circuit of a transmitter to which the present invention is applied, Fig. 2 is the same diagram of another embodiment, and Fig. 3 is a block diagram showing a conventional spurious removal circuit. It is. 1... Power amplifier circuit, 2... Low pass filter, 3... Antenna, 4... Connection path, 5, 6... Open stub.
Claims (1)
の第ｎ次高調波の波長λｎに対しλｎ／４のスタ
ブ長を有するオープンスタブを接続したことを特
徴とする送信機のスプリアス除去回路。 1. A spurious removal circuit for a transmitter, characterized in that an open stub having a stub length of λn/4 with respect to wavelength λn of the n-th harmonic of a transmitted wave is connected to a connection path between a power amplifier circuit and an antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10751788U JPH0228148U (en) | 1988-08-15 | 1988-08-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10751788U JPH0228148U (en) | 1988-08-15 | 1988-08-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0228148U true JPH0228148U (en) | 1990-02-23 |
Family
ID=31342003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10751788U Pending JPH0228148U (en) | 1988-08-15 | 1988-08-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0228148U (en) |
-
1988
- 1988-08-15 JP JP10751788U patent/JPH0228148U/ja active Pending