JPH0441522B2 - - Google Patents
Info
- Publication number
- JPH0441522B2 JPH0441522B2 JP58187633A JP18763383A JPH0441522B2 JP H0441522 B2 JPH0441522 B2 JP H0441522B2 JP 58187633 A JP58187633 A JP 58187633A JP 18763383 A JP18763383 A JP 18763383A JP H0441522 B2 JPH0441522 B2 JP H0441522B2
- Authority
- JP
- Japan
- Prior art keywords
- resonator
- sub
- substrate
- main
- microstrip
- 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.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B9/00—Generation of oscillations using transit-time effects
- H03B9/12—Generation of oscillations using transit-time effects using solid state devices, e.g. Gunn-effect devices
- H03B9/14—Generation of oscillations using transit-time effects using solid state devices, e.g. Gunn-effect devices and elements comprising distributed inductance and capacitance
- H03B9/141—Generation of oscillations using transit-time effects using solid state devices, e.g. Gunn-effect devices and elements comprising distributed inductance and capacitance and comprising a voltage sensitive element, e.g. varactor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C7/00—Modulating electromagnetic waves
- H03C7/02—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas
- H03C7/025—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas using semiconductor devices
- H03C7/027—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas using semiconductor devices using diodes
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Description
【発明の詳細な説明】
(1) 発明の技術分野
本発明は特性の良いFM変調を与えることので
きる主共振器・副共振器使用の電子同調型FM変
調器に関する。DETAILED DESCRIPTION OF THE INVENTION (1) Technical Field of the Invention The present invention relates to an electronically tuned FM modulator using a main resonator and sub-resonator that can provide FM modulation with good characteristics.
(2) 従来技術と問題点
主共振器とそれに結合する副共振器を使用した
電子同調型FM変調器は、従来例を１図に示す構
成としていた。第１基板SB１には発振部を設け、
主共振器MRS（例えば誘電体共振器）を載置した
マイクロストリツプ線路MSLの一端にガンダイ
オードGUNDを接続し、ダイオードGUNDの出
力は線路MSLの他端に設けられた筐体CSの窓
WDを介して外部へ供給される。副共振器SRSを
形成する第２基板SB２にはバラクタダイオード
VRDと共振用線路RLを設け、動作バイアス用直
流接続線DCLを端子しておく。主共振器MRSの
共振周波数を0、副共振器SRSの共振周波数を1
としたとき、ガンダイオードGUND発振器の出
力をFM変調するとき、変調の直線性及び位相特
性については1の調節と両共振器間の結合度の調
節により、最適状態に調節できる。このとき両共
振器の結合度を調節するためには、両者の距離を
変えたり、副共振器に対する向きを変えたりして
いた。副共振器は前述の構成となつているから実
際上、調節可能とするには複雑化し、調節に手間
を要し、信頼性が高くない欠点があつた。(2) Prior art and problems A conventional example of an electronically tuned FM modulator using a main resonator and a sub-resonator coupled thereto has the configuration shown in Figure 1. An oscillation section is provided on the first substrate SB1,
A Gunn diode GUND is connected to one end of the microstrip line MSL on which the main resonator MRS (for example, a dielectric resonator) is mounted, and the output of the diode GUND is connected to the window of the casing CS provided at the other end of the line MSL.
Supplied externally via WD. A varactor diode is installed on the second substrate SB2 that forms the sub-resonator SRS.
VRD and resonance line RL are provided, and DC connection line DCL for operation bias is connected to the terminal. The resonance frequency of the main resonator MRS is 0 , and the resonance frequency of the sub-resonator SRS is 1.
When FM modulating the output of the Gunn diode GUND oscillator, the linearity and phase characteristics of the modulation can be optimally adjusted by adjusting 1 and the degree of coupling between both resonators. At this time, in order to adjust the degree of coupling between both resonators, the distance between them has to be changed or the direction with respect to the sub-resonator has to be changed. Since the sub-resonator has the above-mentioned configuration, it is complicated to make it adjustable in practice, requires time and effort, and has disadvantages in that it is not highly reliable.
(3) 発明の目的
本発明の目的は前述の欠点を改善し、特性良く
FM変調を与えることのできる主共振器、副共振
器の電子同調型FM変調器を提供することにあ
る。(3) Purpose of the invention The purpose of the present invention is to improve the above-mentioned drawbacks and improve the characteristics.
The object of the present invention is to provide an electronically tuned FM modulator having a main resonator and a sub-resonator that can provide FM modulation.
(4) 発明の構成
前述の目的を達成するための本発明の構成は、
主誘電体共振器で定まる発振周波数出力をストリ
ツプ線路により取り出す途中に、バラクタダイオ
ードとマイクロストリツプ線路から成る副共振器
を使用して周波数変調を与える電子同調型FM変
調器において、主共振器・副共振器の両者に電磁
的に結合する位置にマイクロストリツプ形ダイポ
ールを含む基板を配設したことである。(4) Structure of the invention The structure of the present invention to achieve the above object is as follows:
In electronically tuned FM modulators, a sub-resonator consisting of a varactor diode and a microstrip line is used to modulate the frequency while the oscillation frequency output determined by the main dielectric resonator is extracted using a strip line. - A substrate containing a microstrip type dipole is disposed at a position where it is electromagnetically coupled to both sub-resonators.
(5) 発明の実施例
第２図は本発明の一実施例を第１図と対応して
示す構成図で、第１図と同一符号は同様のものを
示している。第２図において、SB３は第３基板
を示し、マイクロストリツプ型ダイポールMDP
を載置して、第１基板SB１と第２基板SB２の中
間に在る。そのため主共振器、副共振器の両者に
電磁的に結合する位置に在り、第２基板SB２に
沿つて第２図の左右にSB３の位置を変えること
により、共振器間の結合度を調節できる。したが
つて、バラクタダイオードVRDに対する直流印
加の電圧に対する周波数可変量で表される変調感
度は第３基板SB３の位置を可変することによつ
て微細に調節ができる。例えば0が26GHz、変調
感度0.5〜7MHz／Ｖとなる。なお、第３基板SB
３は所定の位置に調節できたとき、接着剤で固定
することが良い。第３図は第２図の上面図を示
し、第４図は第２図の動作等価回路図を示してい
る。(5) Embodiment of the Invention FIG. 2 is a block diagram showing an embodiment of the present invention corresponding to FIG. 1, and the same reference numerals as in FIG. 1 indicate the same parts. In Figure 2, SB3 indicates the third substrate, which is a microstrip type dipole MDP.
is placed between the first substrate SB1 and the second substrate SB2. Therefore, it is located at a position where it is electromagnetically coupled to both the main resonator and the sub-resonator, and by changing the position of SB3 to the left and right in Fig. 2 along the second substrate SB2, the degree of coupling between the resonators can be adjusted. . Therefore, the modulation sensitivity expressed by the amount of frequency variation with respect to the DC voltage applied to the varactor diode VRD can be finely adjusted by varying the position of the third substrate SB3. For example, 0 is 26 GHz and modulation sensitivity is 0.5 to 7 MHz/V. In addition, the third board SB
3, it is best to fix it with adhesive when it can be adjusted to the predetermined position. 3 shows a top view of FIG. 2, and FIG. 4 shows an operational equivalent circuit diagram of FIG. 2.
また第３基板SB３は裏面パターンのないもの
であるから、変調感度によつてはSB２の上に乗
掛つた形とすることもある。第５図にその場合の
上面図、第６図に第５図Ａ−Ａ線で切断した断面
図を示す。即ち、第３基板SB３を使用するから
主共振器と副共振器との位置は比較的に自由度が
大きい。 Furthermore, since the third substrate SB3 does not have a back surface pattern, it may be placed on top of SB2 depending on the modulation sensitivity. FIG. 5 shows a top view in that case, and FIG. 6 shows a sectional view taken along line A--A in FIG. That is, since the third substrate SB3 is used, there is a relatively large degree of freedom in the positions of the main resonator and the sub-resonator.
(6) 発明の効果
このようにして本発明によると、簡易な構成に
よつても主発振器・副共振器間の位置、即ち両者
間の結合度を微細に調節ができるため、FM変調
することに特性の良い状態を、早急に且つ簡便に
得ている。(6) Effects of the Invention As described above, according to the present invention, even with a simple configuration, the position between the main oscillator and the sub-resonator, that is, the degree of coupling between them, can be finely adjusted, so that FM modulation can be performed. A state with good characteristics can be obtained quickly and easily.
第１図は従来の電子同調型FM変調器の構成例
を示す図、第２図は本発明の一実施例の構成を示
す図、第３図は第２図の上面図、第４図は第２図
の動作等価回路図、第５図は本発明の他の実施例
の構成を示す図、第６図は第５図についての断面
図である。
MRS……主共振器、SRS……副共振器、SB１
〜SB３……基板、MSL……マイクロストリツプ
線路、GUND……ガンダイオード、VRD……バ
ラクタダイオード、MDP……マイクロストリツ
プ型ダイポール。
Figure 1 is a diagram showing an example of the configuration of a conventional electronically tuned FM modulator, Figure 2 is a diagram showing the configuration of an embodiment of the present invention, Figure 3 is a top view of Figure 2, and Figure 4 is a diagram showing an example of the configuration of a conventional electronically tuned FM modulator. FIG. 2 is an operational equivalent circuit diagram, FIG. 5 is a diagram showing the configuration of another embodiment of the present invention, and FIG. 6 is a sectional view of FIG. 5. MRS...Main resonator, SRS...Sub-resonator, SB1
~SB3...Substrate, MSL...Microstrip line, GUND...Gun diode, VRD...Varactor diode, MDP...Microstrip type dipole.
Claims (1)
イクロストリツプ線路により取り出す途中に、バ
ラクタダイオードとマイクロストリツプ線路から
成る副共振器を使用して周波数変調を与える電子
同調型FM変調器において、主共振器・副共振器
の両者に電磁的に結合する位置にマイクロストリ
ツプ形ダイポールを含む基板を配設したこと を特徴とする電子同調型FM変調器。[Claims] 1. An electronic device that modulates the frequency using a sub-resonator consisting of a varactor diode and a microstrip line while extracting the oscillation frequency output determined by the main dielectric resonator using a microstrip line. An electronically tuned FM modulator characterized in that a substrate including a microstrip dipole is disposed at a position where it is electromagnetically coupled to both a main resonator and a sub-resonator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18763383A JPS6079806A (en) | 1983-10-06 | 1983-10-06 | Electronic tuning type fm modulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18763383A JPS6079806A (en) | 1983-10-06 | 1983-10-06 | Electronic tuning type fm modulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6079806A JPS6079806A (en) | 1985-05-07 |
| JPH0441522B2 true JPH0441522B2 (en) | 1992-07-08 |
Family
ID=16209521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18763383A Granted JPS6079806A (en) | 1983-10-06 | 1983-10-06 | Electronic tuning type fm modulator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6079806A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04294616A (en) * | 1991-03-23 | 1992-10-19 | Fukushima Nippon Denki Kk | Voltage controlled oscillator |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS561107Y2 (en) * | 1976-08-05 | 1981-01-12 | ||
| JPS5762416U (en) * | 1980-09-30 | 1982-04-13 | ||
| JPS6325763Y2 (en) * | 1981-02-02 | 1988-07-13 |
-
1983
- 1983-10-06 JP JP18763383A patent/JPS6079806A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6079806A (en) | 1985-05-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4310809A (en) | Low noise microstrip voltage controlled oscillator | |
| US4684853A (en) | Garage door opener using transmitter with SAW oscillator modulator | |
| JPS645101A (en) | Tunable microwave filter equipped with dielectric resonator and application of the same | |
| GB1486526A (en) | Variable reactance circuit | |
| GB1309211A (en) | Electronically tuned high frequency tuner | |
| US4814729A (en) | Precisely tunable impatt diode module for weather radar apparatus | |
| JPH0441522B2 (en) | ||
| US5502420A (en) | Cascode VCO frequency modulator | |
| US4728909A (en) | Linearly frequency-modulated high-frequency oscillator with high external Q factor | |
| JPH04294616A (en) | Voltage controlled oscillator | |
| US4068173A (en) | Frequency stabilized microwave signal source | |
| US4254390A (en) | Compact electronic tuning device | |
| US3693118A (en) | Variable tuning arrangement for a strip transmission line circuit | |
| JPS5821441B2 (en) | Dielectric resonator↓-coplanar line coupling circuit | |
| US3461395A (en) | Amplifier circuits employing varactors for controlling power gain and bandwidth | |
| JPS5821240Y2 (en) | Tuner device for frequency synthesizer | |
| US4214218A (en) | Impedance matched tuning device having image trapping circuit | |
| SU1709493A1 (en) | Shf oscillator stabilized by dielectric resonator | |
| JP2559724Y2 (en) | Microwave modulator | |
| JPH0124987Y2 (en) | ||
| JPH062330Y2 (en) | Electronically tuned dielectric oscillator | |
| JP2587140Y2 (en) | Dielectric oscillator | |
| JPH0256843B2 (en) | ||
| JPS60242702A (en) | Microwave resonance circuit | |
| JPH0321052Y2 (en) |