DE3675783D1 - Amplitudenmodulator. - Google Patents
Amplitudenmodulator.Info
- Publication number
- DE3675783D1 DE3675783D1 DE8686101278T DE3675783T DE3675783D1 DE 3675783 D1 DE3675783 D1 DE 3675783D1 DE 8686101278 T DE8686101278 T DE 8686101278T DE 3675783 T DE3675783 T DE 3675783T DE 3675783 D1 DE3675783 D1 DE 3675783D1
- Authority
- DE
- Germany
- Prior art keywords
- amplitude modulator
- modulator
- amplitude
- 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
- H03C—MODULATION
- H03C1/00—Amplitude modulation
- H03C1/52—Modulators in which carrier or one sideband is wholly or partially suppressed
- H03C1/54—Balanced modulators, e.g. bridge type, ring type or double balanced type
- H03C1/542—Balanced modulators, e.g. bridge type, ring type or double balanced type comprising semiconductor devices with at least three electrodes
- H03C1/545—Balanced modulators, e.g. bridge type, ring type or double balanced type comprising semiconductor devices with at least three electrodes using bipolar transistors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C2200/00—Indexing scheme relating to details of modulators or modulation methods covered by H03C
- H03C2200/0004—Circuit elements of modulators
- H03C2200/0012—Emitter or source coupled transistor pairs or long tail pairs
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C2200/00—Indexing scheme relating to details of modulators or modulation methods covered by H03C
- H03C2200/0037—Functional aspects of modulators
- H03C2200/005—Modulation sensitivity
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60017131A JPS61177006A (ja) | 1985-01-31 | 1985-01-31 | Am変調器 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3675783D1 true DE3675783D1 (de) | 1991-01-10 |
Family
ID=11935476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686101278T Expired - Lifetime DE3675783D1 (de) | 1985-01-31 | 1986-01-31 | Amplitudenmodulator. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4654607A (de) |
EP (1) | EP0189931B1 (de) |
JP (1) | JPS61177006A (de) |
DE (1) | DE3675783D1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4766400A (en) * | 1986-12-19 | 1988-08-23 | Kabushiki Kaisha Toshiba | Variable-transconductance four-quadrant Gilbert-type modulator with feedback circuitry in improved NMR transmission |
JPH0353687A (ja) * | 1989-07-21 | 1991-03-07 | Sony Corp | 映像信号記録装置の帯域制限器 |
US5079525A (en) * | 1989-12-08 | 1992-01-07 | Sony Corporation | Audio-video modulator system on ic chip |
US5231542A (en) * | 1991-01-23 | 1993-07-27 | Heindel Alvin D | Method and device for improving bass response in magnetic tape recording |
JP2962877B2 (ja) * | 1991-07-02 | 1999-10-12 | キヤノン株式会社 | 画像信号処理装置 |
US5398008A (en) * | 1992-08-17 | 1995-03-14 | Alcatel N.V. | Circuit arrangement for amplitude-modulating the drive signal of a laser |
US6212369B1 (en) * | 1998-06-05 | 2001-04-03 | Maxim Integrated Products, Inc. | Merged variable gain mixers |
DE102005004084B4 (de) * | 2005-01-24 | 2009-11-26 | Atmel Automotive Gmbh | Mischstufe und Verfahren zur Mischung von zwei Signalen, die verschiedene Frequenzen besitzen |
US8334506B2 (en) | 2007-12-10 | 2012-12-18 | 1St Detect Corporation | End cap voltage control of ion traps |
US7973277B2 (en) * | 2008-05-27 | 2011-07-05 | 1St Detect Corporation | Driving a mass spectrometer ion trap or mass filter |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2124654C3 (de) * | 1971-05-18 | 1974-01-24 | Siemens Ag, 1000 Berlin U. 8000 Muenchen | Schaltungsanordnung zur Steuerung der Mischverstärkung eines aktiven Gegentaktmodulator |
JPS5441611A (en) * | 1977-09-09 | 1979-04-03 | Hitachi Ltd | Integrated circuit for frequency conversion |
JPS5625809A (en) * | 1979-08-09 | 1981-03-12 | Fujitsu Ltd | Automatic gain control circuit for amplitude modulator |
JPS56149803A (en) * | 1980-04-23 | 1981-11-19 | Fujitsu Ltd | Modulating circuit |
US4338580A (en) * | 1980-05-09 | 1982-07-06 | Motorola, Inc. | Self balancing amplitude modulator |
JPS58171105A (ja) * | 1982-03-31 | 1983-10-07 | Toshiba Corp | 振幅変調器 |
-
1985
- 1985-01-31 JP JP60017131A patent/JPS61177006A/ja active Granted
-
1986
- 1986-01-30 US US06/824,210 patent/US4654607A/en not_active Expired - Lifetime
- 1986-01-31 DE DE8686101278T patent/DE3675783D1/de not_active Expired - Lifetime
- 1986-01-31 EP EP86101278A patent/EP0189931B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0189931B1 (de) | 1990-11-28 |
US4654607A (en) | 1987-03-31 |
EP0189931A1 (de) | 1986-08-06 |
JPH0546722B2 (de) | 1993-07-14 |
JPS61177006A (ja) | 1986-08-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |