FR2325252A1 - Analyseur de distorsion d'intermodulation - Google Patents
Analyseur de distorsion d'intermodulationInfo
- Publication number
- FR2325252A1 FR2325252A1 FR7401120A FR7401120A FR2325252A1 FR 2325252 A1 FR2325252 A1 FR 2325252A1 FR 7401120 A FR7401120 A FR 7401120A FR 7401120 A FR7401120 A FR 7401120A FR 2325252 A1 FR2325252 A1 FR 2325252A1
- Authority
- FR
- France
- Prior art keywords
- intermodulation distortion
- distortion analyzer
- analyzer
- intermodulation
- distortion
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/46—Monitoring; Testing
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
- H03G3/3026—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being discontinuously variable, e.g. controlled by switching
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US352552A US3862380A (en) | 1973-04-19 | 1973-04-19 | Intermodulation distortion analyzer |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2325252A1 true FR2325252A1 (fr) | 1977-04-15 |
FR2325252B1 FR2325252B1 (fr) | 1978-03-24 |
Family
ID=23385598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7401120A Granted FR2325252A1 (fr) | 1973-04-19 | 1974-01-14 | Analyseur de distorsion d'intermodulation |
Country Status (3)
Country | Link |
---|---|
US (1) | US3862380A (fr) |
DE (1) | DE2406001C3 (fr) |
FR (1) | FR2325252A1 (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2601863B2 (de) * | 1976-01-20 | 1981-07-09 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Schaltungsanordnung zur gleichen Steuerung hinter Verstärkung ist zu löschen |
IT1121496B (it) * | 1979-12-14 | 1986-04-02 | Cselt Centro Studi Lab Telecom | Procedimento e dispositivo per l effettuazione di misure oggettive di qualita su apparecchiature di trasmissione di segnali fonici |
US4273970A (en) * | 1979-12-28 | 1981-06-16 | Bell Telephone Laboratories, Incorporated | Intermodulation distortion test |
US4797735A (en) * | 1985-07-04 | 1989-01-10 | Matsushita Electric Industrial Co., Ltd. | Distortion surveillance apparatus for television signal transmission system |
US5475315A (en) * | 1991-09-20 | 1995-12-12 | Audio Precision, Inc. | Method and apparatus for fast response and distortion measurement |
US5583501A (en) * | 1994-08-24 | 1996-12-10 | Crystal Semiconductor Corporation | Digital-to-analog converter with digital linearity correction |
US5594612A (en) * | 1994-08-24 | 1997-01-14 | Crystal Semiconductor Corporation | Analog-to-digital converter with digital linearity correction |
US5594439A (en) * | 1994-08-24 | 1997-01-14 | Crystal Semiconductor Corporation | Diagnosing problems in an electrical system by monitoring changes in nonlinear characteristics |
US6377552B1 (en) * | 1997-08-29 | 2002-04-23 | Motorola, Inc. | System, device, and method for evaluating dynamic range in a communication system |
US7236778B2 (en) * | 2002-09-10 | 2007-06-26 | Northrop Grumman Corporation | System and method for testing transceivers |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1913495A (en) * | 1930-12-18 | 1933-06-13 | American Telephone & Telegraph | Multifrequency transmission measuring system |
US3621388A (en) * | 1968-11-04 | 1971-11-16 | Spectral Dynamics Corp | Electronic wave analyzer for determining the frequency and amplitude of components in a complex waveform |
US3639703A (en) * | 1969-04-16 | 1972-02-01 | Collins Radio Co | Method and means for measuring weighted noise in a communication link |
US3617656A (en) * | 1969-09-25 | 1971-11-02 | Collins Radio Co | Test spectrum recognition circuit for communication link analyzer |
US3736386A (en) * | 1970-09-24 | 1973-05-29 | Pearson Electronics Inc | Means for sampling transmissions in telecommunication systems |
-
1973
- 1973-04-19 US US352552A patent/US3862380A/en not_active Expired - Lifetime
-
1974
- 1974-01-14 FR FR7401120A patent/FR2325252A1/fr active Granted
- 1974-02-08 DE DE2406001A patent/DE2406001C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3862380A (en) | 1975-01-21 |
FR2325252B1 (fr) | 1978-03-24 |
DE2406001A1 (de) | 1974-10-31 |
DE2406001C3 (de) | 1980-11-27 |
DE2406001B2 (de) | 1980-04-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |