JPH0464814U - - Google Patents
Info
- Publication number
- JPH0464814U JPH0464814U JP10745090U JP10745090U JPH0464814U JP H0464814 U JPH0464814 U JP H0464814U JP 10745090 U JP10745090 U JP 10745090U JP 10745090 U JP10745090 U JP 10745090U JP H0464814 U JPH0464814 U JP H0464814U
- Authority
- JP
- Japan
- Prior art keywords
- negative resistance
- dielectric resonator
- resistance element
- output terminal
- microstrip line
- 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
- 230000010355 oscillation Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000009977 dual effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
Landscapes
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Description
第１図は本考案に係わるマイクロ波発振回路の
一実施例を示す回路図、第２図は通信衛星受信シ
ステムを示す基本構成図、第３図は第２図の二偏
波受信低雑音コンバータを示す構成図、第４図は
従来のマイクロ波発振回路を示す回路図、第５図
は従来の他のマイクロ波発振回路を示す回路図、
第６図は従来のマイクロ波発振回路の出力端子間
のアイソレーシヨンを示す特性図である。
１０１……誘電体共振器、１０２，１０３……
マイクロストリツプ線路、１１０，１１１，１１
２，１１３……スタブ、１１４，１１５……結合
容量、１１６，１１７……出力端子、１１８，１
１９……ＦＥＴ（負性抵抗素子）。
Fig. 1 is a circuit diagram showing an embodiment of the microwave oscillation circuit according to the present invention, Fig. 2 is a basic configuration diagram showing a communications satellite receiving system, and Fig. 3 is the dual polarization reception low noise converter shown in Fig. 2. 4 is a circuit diagram showing a conventional microwave oscillation circuit, FIG. 5 is a circuit diagram showing another conventional microwave oscillation circuit,
FIG. 6 is a characteristic diagram showing isolation between output terminals of a conventional microwave oscillation circuit. 101...Dielectric resonator, 102, 103...
Microstrip line, 110, 111, 11
2,113...Stub, 114,115...Coupling capacitance, 116,117...Output terminal, 118,1
19...FET (negative resistance element).
Claims (1)
ストリツプ線路及び第２のマイクロストリツプ線
路と、 該第１、第２のマイクロストリツプ線路の各一
端に接続され、スタブの長さと結合容量の大きさ
とを調整することにより前記誘電体共振器の共振
周波数近傍で負性抵抗を生じる第１の負性抵抗素
子及び第２の負性抵抗素子と、 該第１、第２の負性抵抗素子において発振出力
を取り出すために、前記結合容量の各一端に接続
される第１の出力端子及び第２の出力端子とを具
備したことを特徴とするマイクロ波発振回路。[Claims for Utility Model Registration] A dielectric resonator, a first microstrip line and a second microstrip line magnetically coupled to the dielectric resonator, and the first and second microstrip lines. A first negative resistance element and a second negative resistance element are connected to each end of the strip line and generate a negative resistance near the resonant frequency of the dielectric resonator by adjusting the length of the stub and the size of the coupling capacitance. a negative resistance element, and a first output terminal and a second output terminal connected to each one end of the coupling capacitor in order to extract an oscillation output from the first and second negative resistance elements. A microwave oscillation circuit characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10745090U JPH0464814U (en) | 1990-10-11 | 1990-10-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10745090U JPH0464814U (en) | 1990-10-11 | 1990-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0464814U true JPH0464814U (en) | 1992-06-04 |
Family
ID=31853974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10745090U Pending JPH0464814U (en) | 1990-10-11 | 1990-10-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0464814U (en) |
-
1990
- 1990-10-11 JP JP10745090U patent/JPH0464814U/ja active Pending
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