JPS61146012U - - Google Patents
Info
- Publication number
- JPS61146012U JPS61146012U JP3042385U JP3042385U JPS61146012U JP S61146012 U JPS61146012 U JP S61146012U JP 3042385 U JP3042385 U JP 3042385U JP 3042385 U JP3042385 U JP 3042385U JP S61146012 U JPS61146012 U JP S61146012U
- Authority
- JP
- Japan
- Prior art keywords
- microstrip line
- oscillation frequency
- field effect
- effect transistor
- 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 5
- 230000005669 field effect Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Description
第１図はこの考案による誘電体付加発振器の一
実施例を示す構成図、第２図は従来の誘電体付加
発振器の構成図である。図中、１はＦＥＴ、２は
ゲート端子、３はドレイン端子、４はソース端子
、５は第１のマイクロストリツプ線路、６は誘電
体共振器、７は出力端子、８は第２のマイクロス
トリツプ線路、９はローパスフイルタ、１０は抵
抗、１１はλｇ／４先端開放線路である。なお、
同一符号は同一、または相当部分を示す。
FIG. 1 is a block diagram showing an embodiment of a dielectric-added oscillator according to this invention, and FIG. 2 is a block diagram of a conventional dielectric-added oscillator. In the figure, 1 is a FET, 2 is a gate terminal, 3 is a drain terminal, 4 is a source terminal, 5 is a first microstrip line, 6 is a dielectric resonator, 7 is an output terminal, and 8 is a second 9 is a low-pass filter, 10 is a resistor, and 11 is a λg/4 open-ended line. In addition,
The same reference numerals indicate the same or equivalent parts.
Claims (1)
長の１／２に相当する長ちを有し、前記電界効果
トランジスタのゲート端子に接続する先端開放の
第１のマイクロストリツプ線路と、前記第１のマ
イクロストリツプ線路上のゲート端子接続部から
発振周波数の伝搬波長の１／４離れた位置で結合
する誘電体共振器と、前記電界効果トランジスタ
のドレイン端子に接続し、他端が出力端子に接続
する第２のマイクロストリツプ線路とで構成され
る発振器において、発振周波数の１／２の周波数
で通過帯域となり、発振周波数で阻止帯域となる
周波数特性を有し、前記第１のマイクロストリツ
プ線路と前記誘電体共振器の開口面の前記誘電体
共振器と対向する位置で前記第１のマイクロスト
リツプ線路に並列接続するマイクロストリツプ型
ローパスフイルタと、抵抗値が前記ローパスフイ
ルタの出力インピーダンスに相当し、前記第１の
マイクロストリツプ線路に並列接続される前記ロ
ーパスフイルタの他端に接続する抵抗と、発振周
波数の伝搬波長の１／４の長さを有し、前記ロー
パスフイルタに接続される前記抵抗の他端に接続
する先端開放線路を備えたことを特徴とする発振
器。 a field effect transistor; a first microstrip line with an open end having a length corresponding to 1/2 of the propagation wavelength of the oscillation frequency and connected to the gate terminal of the field effect transistor; A dielectric resonator is coupled at a position 1/4 of the propagation wavelength of the oscillation frequency from the gate terminal connection part on the microstrip line, and the other end is connected to the drain terminal of the field effect transistor, and the other end is connected to the output terminal. In an oscillator configured with a second microstrip line to be connected, the first microstrip line has frequency characteristics such that a pass band is at half the oscillation frequency and a stop band is at the oscillation frequency. a microstrip-type low-pass filter connected in parallel to the first microstrip line at a position facing the dielectric resonator on the aperture surface of the strip line and the dielectric resonator; a resistor connected to the other end of the low-pass filter that corresponds to the output impedance of the filter and is connected in parallel to the first microstrip line, and has a length that is 1/4 of the propagation wavelength of the oscillation frequency; An oscillator comprising an open-ended line connected to the other end of the resistor connected to the low-pass filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3042385U JPS61146012U (en) | 1985-03-04 | 1985-03-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3042385U JPS61146012U (en) | 1985-03-04 | 1985-03-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61146012U true JPS61146012U (en) | 1986-09-09 |
Family
ID=30530108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3042385U Pending JPS61146012U (en) | 1985-03-04 | 1985-03-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61146012U (en) |
-
1985
- 1985-03-04 JP JP3042385U patent/JPS61146012U/ja active Pending
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