IT1198445B - Apparecchio misuratore del rumore di una sorgente di segnali a microonde - Google Patents
Apparecchio misuratore del rumore di una sorgente di segnali a microondeInfo
- Publication number
- IT1198445B IT1198445B IT48394/86A IT4839486A IT1198445B IT 1198445 B IT1198445 B IT 1198445B IT 48394/86 A IT48394/86 A IT 48394/86A IT 4839486 A IT4839486 A IT 4839486A IT 1198445 B IT1198445 B IT 1198445B
- Authority
- IT
- Italy
- Prior art keywords
- noise
- measuring
- signal source
- microwave signal
- microwave
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/26—Measuring noise figure; Measuring signal-to-noise ratio
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08521184A GB2179458B (en) | 1985-08-23 | 1985-08-23 | Microwave noise measuring apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8648394A0 IT8648394A0 (it) | 1986-08-20 |
IT1198445B true IT1198445B (it) | 1988-12-21 |
Family
ID=10584249
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48394/86A IT1198445B (it) | 1985-08-23 | 1986-08-20 | Apparecchio misuratore del rumore di una sorgente di segnali a microonde |
Country Status (6)
Country | Link |
---|---|
US (1) | US4714873A (it) |
DE (1) | DE3627608A1 (it) |
FR (1) | FR2586481B1 (it) |
GB (1) | GB2179458B (it) |
IT (1) | IT1198445B (it) |
SE (1) | SE461936B (it) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4864218A (en) * | 1988-11-09 | 1989-09-05 | Cascade Microtech, Inc. | Method of compensating for frequency errors in noise power meters |
FR2663750B1 (fr) * | 1990-06-22 | 1992-09-11 | Alcatel Espace | Dispositif de mesure de l'effet multipactor par bruit de phase. |
US5179344A (en) * | 1991-06-21 | 1993-01-12 | Harris Corporation | Phase noise measurements utilizing a frequency down conversion/multiplier, direct spectrum measurement technique |
US5337014A (en) * | 1991-06-21 | 1994-08-09 | Harris Corporation | Phase noise measurements utilizing a frequency down conversion/multiplier, direct spectrum measurement technique |
US5172064A (en) * | 1991-12-02 | 1992-12-15 | The United States Of America As Represented By The Secretary Of Commerce | Calibration system for determining the accuracy of phase modulation and amplitude modulation noise measurement apparatus |
FR2687790B1 (fr) * | 1992-02-24 | 1994-04-29 | Sauvage Gerard | Systeme de mesure de bruit de phase. |
US5790523A (en) * | 1993-09-17 | 1998-08-04 | Scientific-Atlanta, Inc. | Testing facility for a broadband communications system |
AUPM587094A0 (en) * | 1994-05-25 | 1994-06-16 | Poseidon Scientific Instruments Pty Ltd | Microwave loop oscillators |
US6606583B1 (en) * | 1998-09-21 | 2003-08-12 | Ben K. Sternberg | Real-time error-suppression method and apparatus therefor |
DE19901750B4 (de) * | 1999-01-18 | 2006-04-13 | Rohde & Schwarz Gmbh & Co. Kg | Anordnung zum Messen des Phasenrauschens des Ausgangssignals eines Meßobjektes |
DE10143173A1 (de) | 2000-12-04 | 2002-06-06 | Cascade Microtech Inc | Wafersonde |
JP2005527823A (ja) | 2002-05-23 | 2005-09-15 | カスケード マイクロテック インコーポレイテッド | デバイスのテスト用プローブ |
US6724205B1 (en) | 2002-11-13 | 2004-04-20 | Cascade Microtech, Inc. | Probe for combined signals |
FR2848302B1 (fr) * | 2002-12-10 | 2005-05-27 | Thales Sa | Procede de calibration d'une source hyperfrequence |
US7057404B2 (en) | 2003-05-23 | 2006-06-06 | Sharp Laboratories Of America, Inc. | Shielded probe for testing a device under test |
DE112004002554T5 (de) | 2003-12-24 | 2006-11-23 | Cascade Microtech, Inc., Beaverton | Active wafer probe |
WO2006031646A2 (en) | 2004-09-13 | 2006-03-23 | Cascade Microtech, Inc. | Double sided probing structures |
US7570201B1 (en) * | 2004-11-05 | 2009-08-04 | Northrop Grumman Corporation | Radar exciter including phase compensation of the waveform generator |
US7535247B2 (en) | 2005-01-31 | 2009-05-19 | Cascade Microtech, Inc. | Interface for testing semiconductors |
US7656172B2 (en) | 2005-01-31 | 2010-02-02 | Cascade Microtech, Inc. | System for testing semiconductors |
US8965727B2 (en) * | 2005-05-20 | 2015-02-24 | Omniphase Research Laboratories, Inc. | Intelligent low noise design |
US7379017B2 (en) * | 2006-01-24 | 2008-05-27 | Raytheon Company | Micro movement pulsed radar system and method of phase noise compensation |
US7764072B2 (en) | 2006-06-12 | 2010-07-27 | Cascade Microtech, Inc. | Differential signal probing system |
US7723999B2 (en) | 2006-06-12 | 2010-05-25 | Cascade Microtech, Inc. | Calibration structures for differential signal probing |
US7403028B2 (en) | 2006-06-12 | 2008-07-22 | Cascade Microtech, Inc. | Test structure and probe for differential signals |
US7876114B2 (en) | 2007-08-08 | 2011-01-25 | Cascade Microtech, Inc. | Differential waveguide probe |
CN101904115B (zh) * | 2007-11-13 | 2014-10-22 | 光电波股份有限公司 | 基于光子技术及具有低相位噪声的互相关零差检测 |
US8248297B1 (en) * | 2011-04-11 | 2012-08-21 | Advanced Testing Technologies, Inc. | Phase noise measurement system and method |
US10061016B2 (en) * | 2014-12-29 | 2018-08-28 | Texas Instruments Incorporated | Phase noise measurement in a cascaded radar system |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL81640C (it) * | 1948-10-20 | |||
US2902649A (en) * | 1955-02-07 | 1959-09-01 | Bendix Aviat Corp | Oscillator stability checker |
US2874380A (en) * | 1956-07-12 | 1959-02-17 | Sperry Rand Corp | Radar system evaluator |
US4634962A (en) * | 1985-03-05 | 1987-01-06 | The United States Of America As Represented By The Secretary Of The Navy | Phase noise analyzer |
-
1985
- 1985-08-23 GB GB08521184A patent/GB2179458B/en not_active Expired
-
1986
- 1986-08-14 DE DE19863627608 patent/DE3627608A1/de not_active Withdrawn
- 1986-08-19 US US06/897,800 patent/US4714873A/en not_active Expired - Fee Related
- 1986-08-20 IT IT48394/86A patent/IT1198445B/it active
- 1986-08-22 FR FR868611997A patent/FR2586481B1/fr not_active Expired - Lifetime
- 1986-08-22 SE SE8603552A patent/SE461936B/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB2179458B (en) | 1988-11-09 |
US4714873A (en) | 1987-12-22 |
FR2586481A1 (fr) | 1987-02-27 |
GB2179458A (en) | 1987-03-04 |
SE8603552L (sv) | 1987-02-24 |
DE3627608A1 (de) | 1987-02-26 |
SE8603552D0 (sv) | 1986-08-22 |
FR2586481B1 (fr) | 1991-02-08 |
IT8648394A0 (it) | 1986-08-20 |
SE461936B (sv) | 1990-04-09 |
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