JPS61128810U - - Google Patents
Info
- Publication number
- JPS61128810U JPS61128810U JP1170985U JP1170985U JPS61128810U JP S61128810 U JPS61128810 U JP S61128810U JP 1170985 U JP1170985 U JP 1170985U JP 1170985 U JP1170985 U JP 1170985U JP S61128810 U JPS61128810 U JP S61128810U
- Authority
- JP
- Japan
- Prior art keywords
- microstrip line
- oscillation frequency
- field effect
- effect transistor
- dielectric resonator
- 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 2
- 230000010355 oscillation Effects 0.000 claims 4
- 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はバイパスコンデンサである。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 A microstrip line, 9 a low-pass filter, 10 a resistor, and 11 a bypass capacitor. Note that the same reference numerals indicate the same or equivalent parts.
Claims (1)
長の1/2に相当する長さを有し、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、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し、
他端が接地されたバイパスコンデンサとを備えた
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 formed at half the oscillation frequency and a stop band is formed 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 a resistor connected to the other end of the resistor that is connected to the low-pass filter;
An oscillator comprising a bypass capacitor whose other end is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1170985U JPS61128810U (en) | 1985-01-30 | 1985-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1170985U JPS61128810U (en) | 1985-01-30 | 1985-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61128810U true JPS61128810U (en) | 1986-08-12 |
Family
ID=30494080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1170985U Pending JPS61128810U (en) | 1985-01-30 | 1985-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61128810U (en) |
-
1985
- 1985-01-30 JP JP1170985U patent/JPS61128810U/ja active Pending
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