FI105507B - Logaritmisen vahvistimen/ilmaisimen viiveen kompensointi - Google Patents
Logaritmisen vahvistimen/ilmaisimen viiveen kompensointi Download PDFInfo
- Publication number
- FI105507B FI105507B FI913931A FI913931A FI105507B FI 105507 B FI105507 B FI 105507B FI 913931 A FI913931 A FI 913931A FI 913931 A FI913931 A FI 913931A FI 105507 B FI105507 B FI 105507B
- Authority
- FI
- Finland
- Prior art keywords
- delay compensation
- logarithmic amplifier
- detector delay
- detector
- logarithmic
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/001—Volume compression or expansion in amplifiers without controlling loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/570,607 US5070303A (en) | 1990-08-21 | 1990-08-21 | Logarithmic amplifier/detector delay compensation |
Publications (3)
Publication Number | Publication Date |
---|---|
FI913931A0 FI913931A0 (fi) | 1991-08-20 |
FI913931A FI913931A (fi) | 1992-02-22 |
FI105507B true FI105507B (fi) | 2000-08-31 |
Family
ID=24280325
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI913931A FI105507B (fi) | 1990-08-21 | 1991-08-20 | Logaritmisen vahvistimen/ilmaisimen viiveen kompensointi |
Country Status (13)
Country | Link |
---|---|
US (1) | US5070303A (no) |
EP (1) | EP0472510B1 (no) |
JP (1) | JP3213343B2 (no) |
AU (1) | AU650670B2 (no) |
CA (1) | CA2049544C (no) |
DE (1) | DE69117390T2 (no) |
DK (1) | DK0472510T3 (no) |
ES (1) | ES2086519T3 (no) |
FI (1) | FI105507B (no) |
HK (1) | HK90896A (no) |
MX (1) | MX9100682A (no) |
NO (1) | NO175608C (no) |
NZ (1) | NZ239286A (no) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2995886B2 (ja) * | 1991-02-28 | 1999-12-27 | 日本電気株式会社 | 対数増幅回路 |
SG48040A1 (en) * | 1991-05-23 | 1998-04-17 | Nec Corp | Logarithmic intermediate-frequency amplifier |
US5298811A (en) * | 1992-08-03 | 1994-03-29 | Analog Devices, Inc. | Synchronous logarithmic amplifier |
US5296761A (en) * | 1992-11-23 | 1994-03-22 | North American Philips Corporation | Temperature-compensated logarithmic detector having a wide dynamic range |
US6195399B1 (en) * | 1994-03-28 | 2001-02-27 | Ericsson Inc. | Method and apparatus for converting a wideband if signal to a complex (quadrature) baseband signal |
KR19980702127A (ko) * | 1995-12-11 | 1998-07-15 | 요트.게.아.롤페즈 | 대수 레벨 검출기 및 라디오 수신기 |
US6205183B1 (en) | 1998-05-29 | 2001-03-20 | Ericsson Inc. | Methods of suppressing reference oscillator harmonic interference and related receivers |
US6567475B1 (en) | 1998-12-29 | 2003-05-20 | Ericsson Inc. | Method and system for the transmission, reception and processing of 4-level and 8-level signaling symbols |
US6625236B1 (en) | 2000-02-08 | 2003-09-23 | Ericsson Inc. | Methods and systems for decoding symbols by combining matched-filtered samples with hard symbol decisions |
US6961368B2 (en) * | 2001-01-26 | 2005-11-01 | Ericsson Inc. | Adaptive antenna optimization network |
US6911859B2 (en) * | 2003-04-28 | 2005-06-28 | Bae Systems Information And Electronic Systems Integration Inc. | Method and apparatus for conversionless direct detection |
US7711764B2 (en) * | 2004-06-04 | 2010-05-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Pipelined real or complex ALU |
US8316068B2 (en) * | 2004-06-04 | 2012-11-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Memory compression |
US7689639B2 (en) | 2004-06-04 | 2010-03-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Complex logarithmic ALU |
JP4542401B2 (ja) * | 2004-09-15 | 2010-09-15 | 日本無線株式会社 | レーダ受信機およびレーダ装置 |
WO2007011944A2 (en) * | 2005-07-19 | 2007-01-25 | University Of Florida Research Foundation, Inc. | Distributed rf/microwave power detector |
CN101688889B (zh) | 2007-05-14 | 2012-08-15 | 希泰特微波公司 | 带波峰因数测量的rf检测器 |
US20100226448A1 (en) | 2009-03-05 | 2010-09-09 | Paul Wilkinson Dent | Channel extrapolation from one frequency and time to another |
US8116710B2 (en) | 2009-06-04 | 2012-02-14 | Telefonaktiebolaget L M Ericsson (Publ) | Continuous sequential scatterer estimation |
US20110150049A1 (en) | 2009-12-23 | 2011-06-23 | Dent Paul W | Mimo channel loopback |
US8401487B2 (en) | 2009-12-30 | 2013-03-19 | Telefonaktiebolaget L M Ericsson (Publ) | Radio channel analyzer to determine doppler shifts across multiple frequencies of a wideband signal |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL292166A (no) * | 1962-05-02 | |||
US3403347A (en) * | 1965-02-15 | 1968-09-24 | Navy Usa | High accuracy instantaneous intermediate frequency logarithmic amplifier |
US3435353A (en) * | 1966-02-04 | 1969-03-25 | Hewlett Packard Co | Amplifier-detector having wide dynamic range |
US3605027A (en) * | 1969-02-19 | 1971-09-14 | Us Navy | Amplifier |
US3668535A (en) * | 1970-01-15 | 1972-06-06 | Varian Associates | Logarithmic rf amplifier employing successive detection |
US3745474A (en) * | 1971-12-20 | 1973-07-10 | Us Navy | High speed logarithmic video amplifier |
US3745374A (en) * | 1972-01-26 | 1973-07-10 | Us Navy | Logarithmic amplifier and limiter |
DE2606270C3 (de) * | 1976-02-17 | 1978-11-23 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Mehrstufige Begrenzerverstärkerschaltung |
US4442549A (en) * | 1982-05-27 | 1984-04-10 | Motorola, Inc. | Meter drive circuit |
SU1238112A1 (ru) * | 1983-09-02 | 1986-06-15 | Предприятие П/Я А-7162 | Логарифмический усилитель |
US4551688A (en) * | 1984-05-23 | 1985-11-05 | Rockwell International Corporation | Delay compensated automatic gain control |
US4574251A (en) * | 1984-10-01 | 1986-03-04 | Motorola, Inc. | Logarithmic digitally variable gain controlled amplifier |
US4716316A (en) * | 1985-02-04 | 1987-12-29 | Varian Associates, Inc. | Full wave, self-detecting differential logarithmic rf amplifier |
SE449544B (sv) * | 1985-09-06 | 1987-05-04 | Ellemtel Utvecklings Ab | Fasavstemningsanordning |
US4797586A (en) * | 1987-11-25 | 1989-01-10 | Tektronix, Inc. | Controllable delay circuit |
NL8800510A (nl) * | 1988-02-29 | 1989-09-18 | Philips Nv | Schakeling voor het lineair versterken en demoduleren van een am-gemoduleerd signaal en geintegreerd halfgeleiderelement daarvoor. |
-
1990
- 1990-08-21 US US07/570,607 patent/US5070303A/en not_active Expired - Lifetime
-
1991
- 1991-08-06 NZ NZ239286A patent/NZ239286A/en unknown
- 1991-08-13 NO NO913151A patent/NO175608C/no not_active IP Right Cessation
- 1991-08-15 MX MX9100682A patent/MX9100682A/es not_active IP Right Cessation
- 1991-08-20 FI FI913931A patent/FI105507B/fi active
- 1991-08-20 CA CA002049544A patent/CA2049544C/en not_active Expired - Lifetime
- 1991-08-20 AU AU82576/91A patent/AU650670B2/en not_active Ceased
- 1991-08-21 EP EP91850204A patent/EP0472510B1/en not_active Expired - Lifetime
- 1991-08-21 DK DK91850204.8T patent/DK0472510T3/da active
- 1991-08-21 JP JP20957191A patent/JP3213343B2/ja not_active Expired - Lifetime
- 1991-08-21 DE DE69117390T patent/DE69117390T2/de not_active Expired - Lifetime
- 1991-08-21 ES ES91850204T patent/ES2086519T3/es not_active Expired - Lifetime
-
1996
- 1996-05-23 HK HK90896A patent/HK90896A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA2049544A1 (en) | 1992-02-22 |
EP0472510B1 (en) | 1996-02-28 |
NZ239286A (en) | 1994-06-27 |
JP3213343B2 (ja) | 2001-10-02 |
NO913151D0 (no) | 1991-08-13 |
NO175608C (no) | 1994-11-02 |
FI913931A0 (fi) | 1991-08-20 |
EP0472510A2 (en) | 1992-02-26 |
DE69117390T2 (de) | 1996-07-11 |
CA2049544C (en) | 2000-11-07 |
EP0472510A3 (en) | 1992-09-16 |
NO913151L (no) | 1992-02-24 |
HK90896A (en) | 1996-05-31 |
ES2086519T3 (es) | 1996-07-01 |
DE69117390D1 (de) | 1996-04-04 |
US5070303A (en) | 1991-12-03 |
DK0472510T3 (da) | 1996-07-15 |
FI913931A (fi) | 1992-02-22 |
AU650670B2 (en) | 1994-06-30 |
MX9100682A (es) | 1992-04-01 |
JPH06132753A (ja) | 1994-05-13 |
AU8257691A (en) | 1992-02-27 |
NO175608B (no) | 1994-07-25 |
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