JPS58164348U - low noise receiver - Google Patents
low noise receiverInfo
- Publication number
- JPS58164348U JPS58164348U JP5926582U JP5926582U JPS58164348U JP S58164348 U JPS58164348 U JP S58164348U JP 5926582 U JP5926582 U JP 5926582U JP 5926582 U JP5926582 U JP 5926582U JP S58164348 U JPS58164348 U JP S58164348U
- Authority
- JP
- Japan
- Prior art keywords
- low noise
- noise receiver
- antenna
- impedance
- input
- 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
Landscapes
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はＧａＡｓ−ＦＥＴの雑音特性を説明するた゛め
の図で、第２図は本考案の実施例を説明するための図で
ある。図において４は信号源コンダクタンス、１，１３
はゲート電極、３．１５はソース電極、２．１４はトレ
イン電極、１１，２１゜３１はアンテナ、１２，２２．
３２は伝送線路、２７はインピーダンス変換器、１６は
モノリシック構成受信増幅器。FIG. 1 is a diagram for explaining the noise characteristics of a GaAs-FET, and FIG. 2 is a diagram for explaining an embodiment of the present invention. In the figure, 4 is the signal source conductance, 1, 13
is a gate electrode, 3.15 is a source electrode, 2.14 is a train electrode, 11, 21° 31 is an antenna, 12, 22.
32 is a transmission line, 27 is an impedance converter, and 16 is a monolithic receiving amplifier.
Claims (1)
力端子からアンテナ側を見込んだインピーダンスが通常
用いられる伝送系特性インピーダンス５０Ω（または７
５Ω）より高いことを特徴と゛する低雑音受信装置。The impedance looking toward the antenna from the input terminal of the first-stage amplification transistor, which does not have an input noise matching circuit, is the transmission system characteristic impedance of 50Ω (or 7Ω), which is normally used.
A low noise receiving device characterized by higher than 5Ω).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5926582U JPS58164348U (en) | 1982-04-23 | 1982-04-23 | low noise receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5926582U JPS58164348U (en) | 1982-04-23 | 1982-04-23 | low noise receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58164348U true JPS58164348U (en) | 1983-11-01 |
Family
ID=30069583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5926582U Pending JPS58164348U (en) | 1982-04-23 | 1982-04-23 | low noise receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58164348U (en) |
-
1982
- 1982-04-23 JP JP5926582U patent/JPS58164348U/en active Pending
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