JPH02137503A - Rf modulator - Google Patents
Rf modulatorInfo
- Publication number
- JPH02137503A JPH02137503A JP29274488A JP29274488A JPH02137503A JP H02137503 A JPH02137503 A JP H02137503A JP 29274488 A JP29274488 A JP 29274488A JP 29274488 A JP29274488 A JP 29274488A JP H02137503 A JPH02137503 A JP H02137503A
- Authority
- JP
- Japan
- Prior art keywords
- board
- terminal
- copper
- transformer
- pattern
- 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052802 copper Inorganic materials 0.000 claims abstract description 13
- 239000010949 copper Substances 0.000 claims abstract description 13
- 239000000284 extract Substances 0.000 claims 1
- 239000004020 conductor Substances 0.000 abstract description 12
- 239000011248 coating agent Substances 0.000 abstract description 7
- 238000000576 coating method Methods 0.000 abstract description 7
- 238000009413 insulation Methods 0.000 abstract description 6
- 238000004804 winding Methods 0.000 abstract description 5
- 239000006185 dispersion Substances 0.000 abstract 1
- 238000003475 lamination Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 5
- 230000002452 interceptive effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/36—Assembling printed circuits with other printed circuits
- H05K3/366—Assembling printed circuits with other printed circuits substantially perpendicularly to each other
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
- H05K3/42—Plated through-holes or plated via connections
Landscapes
- Amplitude Modulation (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は広帯域にわたって振幅１位相のバランスのとれ
たＲＦ変調信号を得るＲＦ変調器に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an RF modulator that obtains a balanced RF modulated signal with one amplitude and one phase over a wide band.
従来の技術
従来、この種のＲＦ変調器の回路は第４図に示２ベージ
すような構成であシ、第５図は第４図に用いられる変成
器の組立図を示し、第６図はその等何回路である。BACKGROUND OF THE INVENTION Conventionally, the circuit of this type of RF modulator has a configuration as shown in FIG. 4, and FIG. 5 shows an assembled diagram of the transformer used in FIG. 4, and FIG. is such a circuit.
第４図において発振器０からピックアップループ−にて
取シ出された搬送波出力信号を、磁性体コア６に絶縁被
膜付導線７〜９を巻線し、さらに中間タップ６を設けた
変成器Ｔ１の入力端子１，２に印加する。前記絶縁被膜
付導線８，９の巻数は同じで、反結合するよう逆巻に巻
かれているため、出力はお互い干渉せずに分配し、出力
端子３．４へとバランスをとった形で出力され１次に変
調用素子のダイオードＤ４．Ｄ２に注入される。更に端
子すからは抵抗Ｒ４を介して変調信号が注入され、端子
ａからはＤｏバイアスが加えられ、これにょシ。In FIG. 4, the carrier wave output signal taken out from the oscillator 0 by the pickup loop is transferred to the transformer T1, which has conductors 7 to 9 with insulation coating wound around a magnetic core 6, and further provided with an intermediate tap 6. Applied to input terminals 1 and 2. The number of turns of the insulating coated conductor wires 8 and 9 is the same, and they are wound in reverse so that they are anti-coupled, so that the outputs are distributed without interfering with each other and sent to the output terminals 3.4 in a balanced manner. The diode D4 is output and serves as a primary modulation element. Injected into D2. Furthermore, a modulation signal is injected from the terminal through the resistor R4, and a Do bias is applied from the terminal a.
前記のダイオードＤ、、Ｉ）２にてＦｉＦ変調が行なわ
れ。FiF modulation is performed by the diodes D, I)2.
コンデンサＣ２を介して端子ＣにＲＦ変調信号が出力さ
れる。An RF modulation signal is output to terminal C via capacitor C2.
尚、中間タップ６の一端はコンデンサＣ５にて高周波的
に接地されている。Incidentally, one end of the intermediate tap 6 is grounded at high frequency through a capacitor C5.
発明が解決しようとする課題
３ ・
この中で従来例の変調手段としての変成器Ｔ１の構造は
、第６図の如く磁性体コア６の孔に絶縁被膜付導線７〜
９０３本を挿入し中間タップ６を設けて第６図の等節回
路としている。この場合、入力端子１，２．出力端子３
，４．及び中間タップ６の先端はプリント基板等に取付
けるために半田揚げによる絶縁被膜除去の処理を必要と
し、且つ、特性面においては振幅９位相バランヌを得る
ために前記絶縁被膜付導線７〜９の巻線間の配列がむづ
かしく特性のバラツキが発生したり、品質面においても
磁性体コア６の孔のエツジで前記絶縁被膜付導線７〜９
の絶縁被膜が剥離し、導線間でショートしたシする問題
があった。Problem 3 to be Solved by the Invention - Among these, the structure of the transformer T1 as a conventional modulation means is as shown in FIG.
By inserting 903 wires and providing an intermediate tap 6, the equiarticulated circuit shown in FIG. 6 is obtained. In this case, input terminals 1, 2 . Output terminal 3
,4. In order to attach the tip of the intermediate tap 6 to a printed circuit board etc., it is necessary to remove the insulating coating by soldering. It is difficult to arrange the wires, which may cause variations in characteristics, and in terms of quality, the edges of the holes in the magnetic core 6 may cause the insulating coated conductors 7 to 9 to
There was a problem that the insulation coating of the wires would peel off, causing short circuits between the conductor wires.
そこで本発明は上記絶縁被膜除去が不要で、しかも特性
のバラツキやショート等の問題を解消することを目的と
するものである。Therefore, the object of the present invention is to eliminate the need for removing the insulating film and to solve problems such as variation in characteristics and short circuits.
課題を解決するための手段
前記問題点を解決する本発明は、搬送波用力信号と入力
信号を混合するミキサー回路の変調用の変成器を、磁性
体コアの孔に両面銅張積層基板を挿入して構成し、この
両面銅張積層基板の両面の銅面を、印刷配線板のパター
ンと電気的に接続したものである。Means for Solving the Problems The present invention solves the above-mentioned problems by inserting a double-sided copper-clad laminate board into a hole in a magnetic core to create a modulating transformer for a mixer circuit that mixes a carrier power signal and an input signal. The copper surfaces of both sides of this double-sided copper-clad laminated board are electrically connected to the pattern of the printed wiring board.
作用
本発明によれば、従来例の絶縁被膜付導線７〜９に代え
て両面銅張積層基板を用いるので、絶縁被膜除去が不要
で、しかも巻線としないので、振幅や位相の特性のばら
つきやショート等のおきないＲＦ変調器を提供すること
ができる。According to the present invention, since a double-sided copper-clad laminate board is used in place of the conventional conductors 7 to 9 with insulation coating, there is no need to remove the insulation coating, and since the wires are not wound, variations in amplitude and phase characteristics can be reduced. Therefore, it is possible to provide an RF modulator that does not cause short circuits or short circuits.
実施例
本発明の一実施例を第１図ないし第３図に基づいて説明
する。なお従来例と同一部分には同一符号を付している
。Embodiment An embodiment of the present invention will be described with reference to FIGS. 1 to 3. Note that the same parts as in the conventional example are given the same reference numerals.
第１図は本発明に係るＲＦ変調器の回路を示すものであ
り、第２図は第１図に用いられる変調手段である変成器
Ｔ２の組立図であり、磁性体コア６の２個の孔６ａに、
凹字状の両面鋼張積層基板１３の脚部を挿入し、さらに
この脚部を印刷配線板１４の孔１４ａに立設するととも
に、その導体のパターン１０〜１２と電気的に接続して
いる。尚、導６ ・
体のパターン１ｏは両面銅張積層基板１３の一方の銅面
Ｌ２の端子、導体のパターン１１はその他方の銅面Ｌ５
の端子、導体のパターン１２は、前記両面鋼張積層基板
１３の一方の銅面Ｌ２と他方の銅面Ｌ５の共通した中間
タップとしての端子を兼ねてお９、第３図はその等節回
路を示す。FIG. 1 shows the circuit of the RF modulator according to the present invention, and FIG. 2 is an assembled diagram of the transformer T2, which is the modulation means used in FIG. In the hole 6a,
The legs of the double-sided steel-clad laminated board 13 having a concave shape are inserted, and the legs are erected in the holes 14a of the printed wiring board 14, and are electrically connected to the conductor patterns 10 to 12. . Note that the conductor pattern 1o is a terminal on one copper surface L2 of the double-sided copper-clad laminate board 13, and the conductor pattern 11 is a terminal on the other copper surface L5.
The terminal and conductor pattern 12 also serves as a terminal as a common intermediate tap between one copper surface L2 and the other copper surface L5 of the double-sided steel-clad laminated board 13, and FIG. 3 shows its equidistant circuit. shows.
以上のように構成されたＲＦ変ｖ、＋Ｉ器の動作を説明
する。The operation of the RF converter V,+I configured as above will be explained.
発振器ＯからピックアップループＬ、にて取り出された
搬送波出力信号は、変成器Ｔ２の端子１０〜１２を介し
て両面銅張積層基板１３の銅面り、Ｌ。The carrier wave output signal taken out from the oscillator O by the pickup loop L is transferred to the copper surface of the double-sided copper-clad laminate board 13 via terminals 10 to 12 of the transformer T2.
に印加される。この時、銅面Ｌ２．Ｌ５は同一形状で反
結合するような配置であるため、出力信号はお互い干渉
せずに分配され、端子１０．１１を介してバランスを取
った形で変調用素子のダイオードＤ、、Ｄ２に注入され
る。更に端子すからは抵抗Ｒ１を介して変調用信号が注
入され、端子ａからはＤＣバイアスが加えられることに
より、前記の変調用素子のダイオードＤ４．Ｄ２にてＲ
Ｆ変調が行われ、コンデンサＣ２を介して端子ＣにＲＦ
変調信号が出６１＼−ツ
カされる。尚、中間タップ１２の一端はコンデンサＣ４
にて高周波的に接地されている。is applied to At this time, copper surface L2. Since L5 has the same shape and anti-coupling arrangement, the output signals are distributed without interfering with each other, and are injected into the modulation element diodes D, D2 in a balanced manner via terminals 10 and 11. be done. Further, a modulation signal is injected into the terminal A through the resistor R1, and a DC bias is applied from the terminal a, so that the modulation element diode D4. R at D2
F modulation is performed, and RF is applied to terminal C via capacitor C2.
A modulated signal is output 61\-. Note that one end of the intermediate tap 12 is connected to a capacitor C4.
It is grounded at high frequency.
以上のように本実施例によれば、従来例と同様なＲＦ変
調器の動作を有し、変調手段である変成器Ｔ２は導線の
巻付は及び絶縁被膜の除去加工等の必要のない、組立て
が容易な品質の優れたものとなる。As described above, according to this embodiment, the RF modulator operates similarly to the conventional example, and the transformer T2, which is the modulation means, does not require winding of conductive wire or removal of insulation coating. It is easy to assemble and of excellent quality.
発明の効果
本発明によればＲＦ変調器の変成器を、従来の導線によ
る巻線によって形成されたものに代えて、両面銅張積層
基板を磁性体コアの孔に挿入して構成するので、極めて
容易に製作することができる。Effects of the Invention According to the present invention, the transformer of the RF modulator is constructed by inserting a double-sided copper-clad laminate board into the hole of the magnetic core, instead of the conventional one formed by winding wires. It can be manufactured extremely easily.
また従来の絶縁被膜除去が不要で、しかも巻線を用いな
いので、ばらつきのない安定した振幅と位相特性が得ら
れるものとなる。Further, since the conventional method of removing an insulating film is not required and no winding is used, stable amplitude and phase characteristics without variations can be obtained.
第１図は本発明の一実施例によるＲＦ変調器の回路図、
第２図は第１図の変成器の斜視図、第３図は同等価回路
図、第４図は従来のＲＦ変調器の回路図、第５図は第４
図の変成器の斜視図、第６７ ・
図は同等価回路図である。
Ｔ２・・・・・・変成器、１３・・・・・・両面銅張積
層基板、１０．１１．１２・・・・・・導体のパターン
、１４・・・・・・本体プリント基板、６・・・・・・
磁性体コア、０・・・・・・発振器、Ｌ、・・・・・・
ピックアップループ、Ｄｌ、Ｄ２・・・・・・ダイオー
ド、Ｃ１，Ｃ２・・・・・・コンデンサ、Ｒ１・・・・
・・抵抗、ａ、ｂ、ｃ・・・・・・端子。
代理人の氏名 弁理士 粟 野 重 孝 ほか１名第
図FIG. 1 is a circuit diagram of an RF modulator according to an embodiment of the present invention;
Figure 2 is a perspective view of the transformer shown in Figure 1, Figure 3 is an equivalent circuit diagram, Figure 4 is a circuit diagram of a conventional RF modulator, and Figure 5 is a diagram of a conventional RF modulator.
Figure 67 is a perspective view of the transformer shown in Figure 67, and Figure 67 is an equivalent circuit diagram. T2...Transformer, 13...Double-sided copper-clad laminate board, 10.11.12...Conductor pattern, 14...Main printed circuit board, 6・・・・・・
Magnetic core, 0...Oscillator, L,...
Pickup loop, Dl, D2...Diode, C1, C2...Capacitor, R1...
...Resistance, a, b, c...terminals. Name of agent: Patent attorney Shigetaka Awano and one other person
Claims (1)
り出す搬送波出力回路と、この搬送波出力回路からの搬
送波出力信号と変調用の入力信号を混合するミキサー回
路とから構成され、前記ミキサー回路は変調用の変成器
を有し、この変成器は磁性体コアの孔に両面銅張積層基
板を挿入するとともに、この両面銅張積層基板を印刷配
線板に立設するとともに、その両面の銅面を、印刷配線
板のパターンと電気的に接続したＲＦ変調器。It is composed of a carrier wave output circuit that extracts a carrier wave output signal from an oscillator in a pickup loop, and a mixer circuit that mixes the carrier wave output signal from this carrier wave output circuit with an input signal for modulation, and the mixer circuit is a transformer for modulation. This transformer has a double-sided copper-clad laminate board inserted into the hole of the magnetic core, and this double-sided copper-clad laminate board is erected on a printed wiring board, and the copper surfaces of both sides are connected to the printed wiring board. RF modulator electrically connected to the pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29274488A JPH02137503A (en) | 1988-11-18 | 1988-11-18 | Rf modulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29274488A JPH02137503A (en) | 1988-11-18 | 1988-11-18 | Rf modulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02137503A true JPH02137503A (en) | 1990-05-25 |
Family
ID=17785769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29274488A Pending JPH02137503A (en) | 1988-11-18 | 1988-11-18 | Rf modulator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02137503A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7263963B2 (en) | 2005-09-23 | 2007-09-04 | Jp Scope Llc | Valve apparatus for an internal combustion engine |
| US10309266B2 (en) | 2005-09-23 | 2019-06-04 | Jp Scope, Inc. | Variable travel valve apparatus for an internal combustion engine |
| US10690085B2 (en) | 2016-09-09 | 2020-06-23 | Jp Scope, Inc. | Variable travel valve apparatus for an internal combustion engine |
-
1988
- 1988-11-18 JP JP29274488A patent/JPH02137503A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7263963B2 (en) | 2005-09-23 | 2007-09-04 | Jp Scope Llc | Valve apparatus for an internal combustion engine |
| US7373909B2 (en) | 2005-09-23 | 2008-05-20 | Jp Scope Llc | Valve apparatus for an internal combustion engine |
| US7448354B2 (en) | 2005-09-23 | 2008-11-11 | Jp Scope Llc | Valve apparatus for an internal combustion engine |
| US7874271B2 (en) | 2005-09-23 | 2011-01-25 | Jp Scope Llc | Method of operating a valve apparatus for an internal combustion engine |
| US8108995B2 (en) | 2005-09-23 | 2012-02-07 | Jp Scope Llc | Valve apparatus for an internal combustion engine |
| US8899205B2 (en) | 2005-09-23 | 2014-12-02 | Jp Scope, Inc. | Valve apparatus for an internal combustion engine |
| US10309266B2 (en) | 2005-09-23 | 2019-06-04 | Jp Scope, Inc. | Variable travel valve apparatus for an internal combustion engine |
| US10690085B2 (en) | 2016-09-09 | 2020-06-23 | Jp Scope, Inc. | Variable travel valve apparatus for an internal combustion engine |
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