GB2247124B - Demodulator circuit - Google Patents
Demodulator circuitInfo
- Publication number
- GB2247124B GB2247124B GB9115650A GB9115650A GB2247124B GB 2247124 B GB2247124 B GB 2247124B GB 9115650 A GB9115650 A GB 9115650A GB 9115650 A GB9115650 A GB 9115650A GB 2247124 B GB2247124 B GB 2247124B
- Authority
- GB
- United Kingdom
- Prior art keywords
- demodulator circuit
- demodulator
- circuit
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C27/00—Electric analogue stores, e.g. for storing instantaneous values
- G11C27/02—Sample-and-hold arrangements
- G11C27/024—Sample-and-hold arrangements using a capacitive memory element
- G11C27/026—Sample-and-hold arrangements using a capacitive memory element associated with an amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/217—Class D power amplifiers; Switching amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/38—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers
- H03F3/387—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers with semiconductor devices only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/08—Duration or width modulation ; Duty cycle modulation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
- H03K9/08—Demodulating pulses which have been modulated with a continuously-variable signal of duration- or width-mudulated pulses or of duty-cycle modulated pulses
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/114,654 US4843339A (en) | 1987-10-28 | 1987-10-28 | Isolation amplifier including precision voltage-to-duty-cycle converter and low ripple, high bandwidth charge balance demodulator |
GB8813750A GB2211687B (en) | 1987-10-28 | 1988-06-10 | Isolation amplifier including precision voltage-to-duty-cycle converter and low ripple, high bandwidth charge balance demodulator |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9115650D0 GB9115650D0 (en) | 1991-09-04 |
GB2247124A GB2247124A (en) | 1992-02-19 |
GB2247124B true GB2247124B (en) | 1992-07-01 |
Family
ID=26293998
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9115650A Expired - Fee Related GB2247124B (en) | 1987-10-28 | 1991-07-18 | Demodulator circuit |
GB9115649A Expired - Fee Related GB2247123B (en) | 1987-10-28 | 1991-07-18 | Duty cycle modulator circuit |
GB9117550A Expired - Fee Related GB2247120B (en) | 1987-10-28 | 1991-08-14 | Sample and hold circuit |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9115649A Expired - Fee Related GB2247123B (en) | 1987-10-28 | 1991-07-18 | Duty cycle modulator circuit |
GB9117550A Expired - Fee Related GB2247120B (en) | 1987-10-28 | 1991-08-14 | Sample and hold circuit |
Country Status (1)
Country | Link |
---|---|
GB (3) | GB2247124B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9312377D0 (en) * | 1993-06-16 | 1993-07-28 | Smiths Industries Plc | Signal processing |
DE102004016073B4 (en) * | 2004-03-30 | 2010-12-23 | Texas Instruments Deutschland Gmbh | A method of generating a pulse output signal from a periodic sawtooth signal and a reference voltage, and a clocked current transformer |
US7459942B2 (en) * | 2005-07-01 | 2008-12-02 | Cambridge Analog Technologies, Inc. | Sampled-data circuits using zero crossing detection |
CN101253575B (en) * | 2005-07-01 | 2010-11-03 | 剑桥模拟技术有限公司 | Sampled-data circuits using zero crossing detection |
US7504866B2 (en) | 2005-12-29 | 2009-03-17 | Cambridge Analog Technologies, Inc. | Output hold circuits for sample-data circuits |
US7522086B2 (en) | 2005-12-29 | 2009-04-21 | Cambridge Analog Technologies, Inc. | Reference circuits for sampled-data circuits |
US9374105B2 (en) * | 2014-04-09 | 2016-06-21 | Linear Technology Corporation | Converting time-encoded signal into analog output |
EP3178165B1 (en) * | 2014-08-08 | 2022-01-26 | PR Electronics A/S | System and method for modulation and demodulation |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2155788B1 (en) * | 1971-10-05 | 1976-06-04 | Commissariat Energie Atomique | |
FR2195873A1 (en) * | 1972-08-08 | 1974-03-08 | Dba | |
US3906331A (en) * | 1974-05-30 | 1975-09-16 | Bell Telephone Labor Inc | DC to DC converter with linear pulse processing circuitry |
GB8512912D0 (en) * | 1985-05-22 | 1985-06-26 | Plessey Co Plc | Phase modulators |
-
1991
- 1991-07-18 GB GB9115650A patent/GB2247124B/en not_active Expired - Fee Related
- 1991-07-18 GB GB9115649A patent/GB2247123B/en not_active Expired - Fee Related
- 1991-08-14 GB GB9117550A patent/GB2247120B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2247124A (en) | 1992-02-19 |
GB2247120B (en) | 1992-07-01 |
GB9115650D0 (en) | 1991-09-04 |
GB2247120A (en) | 1992-02-19 |
GB9117550D0 (en) | 1991-10-02 |
GB9115649D0 (en) | 1991-09-04 |
GB2247123A (en) | 1992-02-19 |
GB2247123B (en) | 1992-07-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19950610 |