JPH0775421B2 - 変調器 - Google Patents
変調器Info
- Publication number
- JPH0775421B2 JPH0775421B2 JP61301829A JP30182986A JPH0775421B2 JP H0775421 B2 JPH0775421 B2 JP H0775421B2 JP 61301829 A JP61301829 A JP 61301829A JP 30182986 A JP30182986 A JP 30182986A JP H0775421 B2 JPH0775421 B2 JP H0775421B2
- Authority
- JP
- Japan
- Prior art keywords
- differential amplifier
- signal
- input side
- transistor
- differential
- 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
- 239000003990 capacitor Substances 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
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
- H03C2200/0004—Circuit elements of modulators
- H03C2200/002—Filters with particular characteristics
Landscapes
- Amplitude Modulation (AREA)
- Amplifiers (AREA)
- Television Signal Processing For Recording (AREA)
- Processing Of Color Television Signals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3545006.1 | 1985-12-19 | ||
| DE19853545006 DE3545006A1 (de) | 1985-12-19 | 1985-12-19 | Modulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62157408A JPS62157408A (ja) | 1987-07-13 |
| JPH0775421B2 true JPH0775421B2 (ja) | 1995-08-09 |
Family
ID=6288904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61301829A Expired - Lifetime JPH0775421B2 (ja) | 1985-12-19 | 1986-12-19 | 変調器 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4724405A (OSRAM) |
| EP (1) | EP0226255B1 (OSRAM) |
| JP (1) | JPH0775421B2 (OSRAM) |
| AT (1) | ATE77181T1 (OSRAM) |
| DE (2) | DE3545006A1 (OSRAM) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE459774B (sv) * | 1987-11-27 | 1989-07-31 | Ericsson Telefon Ab L M | Anordning foer kompensering av fel upptraednnde i e n kvadraturmodulator |
| US4933986A (en) * | 1989-08-25 | 1990-06-12 | Motorola, Inc. | Gain/phase compensation for linear amplifier feedback loop |
| DE69011667T2 (de) * | 1990-04-13 | 1995-01-19 | Bell Telephone Mfg | Modulatorschaltung. |
| JP2801389B2 (ja) * | 1990-11-02 | 1998-09-21 | キヤノン株式会社 | 信号処理装置 |
| JP2962877B2 (ja) * | 1991-07-02 | 1999-10-12 | キヤノン株式会社 | 画像信号処理装置 |
| FR2735629A1 (fr) * | 1995-06-14 | 1996-12-20 | Philips Electronics Nv | Modulateur d'amplitude |
| GB2321148B (en) * | 1997-01-11 | 2000-10-25 | Plessey Semiconductors Ltd | Double balanced mixer |
| US5847623A (en) * | 1997-09-08 | 1998-12-08 | Ericsson Inc. | Low noise Gilbert Multiplier Cells and quadrature modulators |
| US20020071495A1 (en) | 1998-04-28 | 2002-06-13 | Leonid Strakovsky | Linear modulator |
| DE10239856A1 (de) * | 2002-08-29 | 2004-03-11 | Infineon Technologies Ag | Schaltungsanordnung mit Frequenzumsetzer |
| US10384001B2 (en) * | 2017-01-17 | 2019-08-20 | Nxp B.V. | Fluid flow device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4338580A (en) * | 1980-05-09 | 1982-07-06 | Motorola, Inc. | Self balancing amplitude modulator |
| DE3066677D1 (en) * | 1980-05-20 | 1984-03-29 | Motorola Inc | Self balancing modulator and its application in a chroma demodulator |
| EP0051179B1 (de) * | 1980-11-03 | 1984-09-19 | Siemens Aktiengesellschaft | Integrierbare-Oszillatorschaltung |
| DE3041392C2 (de) * | 1980-11-03 | 1984-08-16 | Siemens AG, 1000 Berlin und 8000 München | Oszillatorschaltung mit einer Mischstufe |
| DE3213506C1 (de) * | 1982-04-10 | 1983-10-06 | Philips Patentverwaltung | Schaltungsanordnung mit einem Differenzverstaerker |
-
1985
- 1985-12-19 DE DE19853545006 patent/DE3545006A1/de active Granted
-
1986
- 1986-12-12 EP EP86202251A patent/EP0226255B1/de not_active Expired - Lifetime
- 1986-12-12 AT AT86202251T patent/ATE77181T1/de active
- 1986-12-12 DE DE8686202251T patent/DE3685637D1/de not_active Expired - Lifetime
- 1986-12-15 US US06/941,497 patent/US4724405A/en not_active Expired - Fee Related
- 1986-12-19 JP JP61301829A patent/JPH0775421B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| ATE77181T1 (de) | 1992-06-15 |
| EP0226255A2 (de) | 1987-06-24 |
| US4724405A (en) | 1988-02-09 |
| EP0226255A3 (en) | 1988-10-05 |
| JPS62157408A (ja) | 1987-07-13 |
| DE3545006C2 (OSRAM) | 1987-11-05 |
| DE3545006A1 (de) | 1987-07-02 |
| EP0226255B1 (de) | 1992-06-10 |
| DE3685637D1 (en) | 1992-07-16 |
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