JPH0167711U - - Google Patents

Info

Publication number
JPH0167711U
JPH0167711U JP1987162906U JP16290687U JPH0167711U JP H0167711 U JPH0167711 U JP H0167711U JP 1987162906 U JP1987162906 U JP 1987162906U JP 16290687 U JP16290687 U JP 16290687U JP H0167711 U JPH0167711 U JP H0167711U
Authority
JP
Japan
Prior art keywords
transformer
secondary winding
primary windings
modulation
holes
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
Application number
JP1987162906U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1987162906U priority Critical patent/JPH0167711U/ja
Publication of JPH0167711U publication Critical patent/JPH0167711U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Coils Or Transformers For Communication (AREA)
  • Amplitude Modulation (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案の変調用トランスの実施例を
示す斜視図、第２図Ａ及びＢはそれぞれ従来の変
調用トランスに使用される磁心及びフラツトケー
ブルの斜視図、第３図は従来の変調用トランスの
斜視図、第４図は第３図の変調用トランスを用い
て構成した変調回路の回路図、第５図はダイオー
ドの順方向電圧に対する直流電流及びインピーダ
ンスの変化を示す図、第６図はビデオ信号波形と
搬送波をビデオ信号でＡＭ変調した変調波形とを
示す波形図、第７図は第３図の変調用トランスを
拡大して示した平面図である。 Figure 1 is a perspective view showing an embodiment of the modulation transformer of this invention, Figures 2A and B are perspective views of a magnetic core and flat cable used in a conventional modulation transformer, respectively, and Figure 3 is a perspective view of a conventional modulation transformer. 4 is a circuit diagram of a modulation circuit constructed using the modulation transformer shown in FIG. 3; FIG. 5 is a diagram showing changes in direct current and impedance with respect to the forward voltage of a diode; FIG. 6 is a waveform diagram showing a video signal waveform and a modulation waveform obtained by AM-modulating a carrier wave with a video signal, and FIG. 7 is an enlarged plan view of the modulation transformer shown in FIG. 3.

Claims (1)

【実用新案登録請求の範囲】 平行した２つの孔が磁心に形成され、その２つ
の孔に２本の１次巻線、１本の２次巻線が折返し
挿通され、２本の１次巻線の各一端が互いに接続
されて中間タツプとされた変調用トランスにおい
て、 上記２本の１次巻線及び上記１本の２次巻線は
互いにより線とされていることを特徴とする変調
用トランス。[Claims for Utility Model Registration] Two parallel holes are formed in the magnetic core, and two primary windings and one secondary winding are folded and inserted through the two holes. A modulation transformer in which one end of each wire is connected to each other to form an intermediate tap, wherein the two primary windings and the one secondary winding are twisted wires. transformer.
JP1987162906U 1987-10-23 1987-10-23 Pending JPH0167711U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987162906U JPH0167711U (en) 1987-10-23 1987-10-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987162906U JPH0167711U (en) 1987-10-23 1987-10-23

Publications (1)

Publication Number Publication Date
JPH0167711U true JPH0167711U (en) 1989-05-01

Family

ID=31447159

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987162906U Pending JPH0167711U (en) 1987-10-23 1987-10-23

Country Status (1)

Country Link
JP (1) JPH0167711U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019102703A (en) * 2017-12-05 2019-06-24 株式会社村田製作所 Balun transformer and method of manufacturing the same
JP2020065028A (en) * 2018-10-19 2020-04-23 株式会社村田製作所 Balun transformer

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4828010B1 (en) * 1970-07-03 1973-08-28
JPS5724708B2 (en) * 1976-03-24 1982-05-25

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4828010B1 (en) * 1970-07-03 1973-08-28
JPS5724708B2 (en) * 1976-03-24 1982-05-25

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019102703A (en) * 2017-12-05 2019-06-24 株式会社村田製作所 Balun transformer and method of manufacturing the same
JP2020065028A (en) * 2018-10-19 2020-04-23 株式会社村田製作所 Balun transformer

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