CA921993A - Feed-forward amplifier having arbitrary gain-frequency characteristic - Google Patents
Feed-forward amplifier having arbitrary gain-frequency characteristicInfo
- Publication number
- CA921993A CA921993A CA109473A CA109473A CA921993A CA 921993 A CA921993 A CA 921993A CA 109473 A CA109473 A CA 109473A CA 109473 A CA109473 A CA 109473A CA 921993 A CA921993 A CA 921993A
- Authority
- CA
- Canada
- Prior art keywords
- feed
- frequency characteristic
- forward amplifier
- arbitrary gain
- gain
- 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
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward
- H03F1/3229—Modifications of amplifiers to reduce non-linear distortion using feed-forward using a loop for error extraction and another loop for error subtraction
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
- H03H11/12—Frequency selective two-port networks using amplifiers with feedback
- H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/06—Control of transmission; Equalising by the transmitted signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/12—Arrangements for reducing cross-talk between channels
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US6975770A | 1970-09-04 | 1970-09-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA921993A true CA921993A (en) | 1973-02-27 |
Family
ID=22091025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA109473A Expired CA921993A (en) | 1970-09-04 | 1971-04-02 | Feed-forward amplifier having arbitrary gain-frequency characteristic |
Country Status (9)
Country | Link |
---|---|
US (1) | US3667065A (de) |
AU (1) | AU461095B2 (de) |
BE (1) | BE772159A (de) |
CA (1) | CA921993A (de) |
DE (1) | DE2143707C3 (de) |
FR (1) | FR2107272A5 (de) |
GB (1) | GB1341717A (de) |
NL (1) | NL7111924A (de) |
SE (1) | SE362757B (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3763437A (en) * | 1972-03-15 | 1973-10-02 | Bell Telephone Labor Inc | Frequency-shaped amplifier with pedestal amplifying stage |
US3886470A (en) * | 1973-12-04 | 1975-05-27 | Amplifier Design And Service I | Feed-forward amplifier system |
FR2312152A1 (fr) * | 1975-05-23 | 1976-12-17 | Lgt Lab Gen Telecomm | Generateur de produits de non linearite et precorrecteur de systeme de transmission utilisant un tel generateur |
US3993961A (en) * | 1975-10-31 | 1976-11-23 | Bell Telephone Laboratories, Incorporated | Overcompensated feedforward method and apparatus using overdistorted main amplifiers |
US4028634A (en) * | 1976-02-11 | 1977-06-07 | Bell Telephone Laboratories, Incorporated | Feed-forward amplifier with simple resistive coupling |
JPS5910094B2 (ja) * | 1978-04-12 | 1984-03-07 | 日本電気株式会社 | 振幅等化装置 |
US4348642A (en) * | 1980-08-29 | 1982-09-07 | Rockwell International Corporation | Feedforward wideband amplifier |
US4394624A (en) * | 1981-08-07 | 1983-07-19 | The United States Of America As Represented By The Secretary Of The Navy | Channelized feed-forward system |
US4583049A (en) * | 1984-06-15 | 1986-04-15 | Trw Inc. | Feed-forward circuit |
US4801901A (en) * | 1987-03-13 | 1989-01-31 | Hittite Microwave Corporation | Non-ferrite non-reciprocal phase shifter and circulator |
DE4301916A1 (de) * | 1993-01-25 | 1994-08-11 | Arthur Wolf | HF-Fernsprechverstärker |
US5955916A (en) * | 1994-11-23 | 1999-09-21 | Lucent Technologies Inc. | Modulator linear feed-forward amplifier |
US7142625B2 (en) * | 2003-11-07 | 2006-11-28 | Jones James L | Nuclear material detection apparatus and method |
US7091781B2 (en) * | 2004-10-29 | 2006-08-15 | Motorola, Inc. | Wideband feed forward linear power amplifier |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3541467A (en) * | 1969-04-25 | 1970-11-17 | Bell Telephone Labor Inc | Feed-forward amplifier with frequency shaping |
-
1970
- 1970-09-04 US US69757A patent/US3667065A/en not_active Expired - Lifetime
-
1971
- 1971-04-02 CA CA109473A patent/CA921993A/en not_active Expired
- 1971-08-26 SE SE10818/71A patent/SE362757B/xx unknown
- 1971-08-30 NL NL7111924A patent/NL7111924A/xx not_active Application Discontinuation
- 1971-08-30 AU AU32863/71A patent/AU461095B2/en not_active Expired
- 1971-08-31 GB GB4062871A patent/GB1341717A/en not_active Expired
- 1971-09-01 DE DE2143707A patent/DE2143707C3/de not_active Expired
- 1971-09-03 FR FR7132011A patent/FR2107272A5/fr not_active Expired
- 1971-09-03 BE BE772159A patent/BE772159A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
AU3286371A (en) | 1973-03-08 |
BE772159A (fr) | 1972-01-17 |
AU461095B2 (en) | 1975-05-15 |
FR2107272A5 (de) | 1972-05-05 |
DE2143707B2 (de) | 1979-12-20 |
GB1341717A (en) | 1973-12-25 |
SE362757B (de) | 1973-12-17 |
DE2143707C3 (de) | 1980-08-14 |
DE2143707A1 (de) | 1972-03-09 |
NL7111924A (de) | 1972-03-07 |
US3667065A (en) | 1972-05-30 |
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