Re: [PSES] Filter Issues [General Use]

2021-10-27 Thread Price, Andrew (Leonardo, UK)
Hi all Thanks for the replies, The filter is a ETS Lindgren Filter N6003 installed on the EMC Chamber wall. The filter is defined as a 4 line 230/400V 32A <450Hz filter. When used for DEF STAN EMC measurements and loaded by the 4 of 10uF prior to the 5uH LISNs it appears to be OK, however when

[PSES] Filter Issues [General Use]

2021-10-27 Thread Price, Andrew (Leonardo, UK)
Hi members Can anyone offer some advice. Have issues with EMC Chamber RF Filter 3 phase. Using 115V 400Hz single phase supply from a static convertor, filter looks like it is saturating. Ambient levels failing between 6kHz to 150kHz. Voltage of phase at static convertor 115.8Vrms but at EUT on be

[PSES] Replacement Antenna [General Use]

2021-04-09 Thread Price, Andrew (Leonardo, UK)
Hi All Looking to replace a 94455-1 Bicon Antenna, does anyone know of a preferred replacement? Regards Andy Andrew Price Integrated Sensing & Protection (ISP) Prinicpal Environmental Engineer (EMC) Leonardo UK Sigma House,

Re: [PSES] 41 " Rod Antennas [General Use]

2019-04-29 Thread Price, Andrew (Leonardo, UK)
Thanks to all that replied. The information will help decide whether to invest in a replacement active rod antenna or fin a better amplifier with a better noise figure. Regards Andy Andrew Price Land & Naval Defence Electronics Division Prinicpal Environmen

Re: [PSES] Calibration Load [General Use]

2019-04-25 Thread Price, Andrew (Leonardo, UK)
Thanks to those that replied. I will try what you suggest Regards Andy Andrew Price Land & Naval Defence Electronics Division Prinicpal Environmental Engineer (EMC) Leonardo MW Ltd Sigma House, Christopher Martin Rd, Basildon SS14

[PSES] Calibration Load [General Use]

2019-04-25 Thread Price, Andrew (Leonardo, UK)
Hi All Can anyone tell me the ideal value of the load resistor used for verifying the current in CE101 of MIL-STD-461G. Regards Andy Andrew Price Land & Naval Defence Electronics Division Prinicpal Environmental Engineer (EMC) Leonardo MW Ltd

[PSES] 41 " Rod Antennas [General Use]

2019-04-24 Thread Price, Andrew (Leonardo, UK)
Hi all, Is there anyone who has done an ambient noise floor analysis of 41" rod antennas to determine those with the best performance. This question comes as a result of the changes to DEF STAN 59-411 Part 3 Issue 3 where DRE03.B is being incorporated into DRE01.B and the limit over the frequen

[PSES] 95055-1 Technical Data [General Use]

2019-02-14 Thread Price, Andrew (Leonardo, UK)
Hi all, Can anyone help? Looking for technical data on a 95055-1 magnetic Loop. Regards Andy Andrew Price Land & Naval Defence Electronics Division Prinicpal Environmental Engineer (EMC) Leonardo MW Ltd Sigma House, Christopher Mar

[PSES] CE106 Test set-up info [General Use]

2018-12-11 Thread Price, Andrew (Leonardo, UK)
Hi all. Can anyone help with this query? Doing a CE106 test, have had to insert 60dB attenuation (40dB + 20dB) in the antenna output to help prevent the receiver input overloading. These values incorporated into the measurement software. Also have had to include a Hi Pass Filter 780MHz to 3000MHz

Re: [PSES] LED Spots in EMC Chamber [General Use]

2017-11-22 Thread Price, Andrew (Leonardo, UK)
Thanks everyone for the replies. I will pass this information onto the person who raised this query. >From the information I was provided the LED Spots issue a broadband noise seen >as rise in the ambient noise floor over the frequency range 30MHz to 180MHz, >there is some minor noise between 18

[PSES] Use of LED Spots in EMC Chambers [General Use]

2017-11-22 Thread Price, Andrew (Leonardo, UK)
Hi all. Has anyone had experience with using LED Spot lamps in EMC Chambers? What types/manufacturers would be recommended? Would appreciate help in trying to solve someone's problems with noise during radiated emissions. Test Facility has just had all their chambers converted to LED Spots and t

Re: [PSES] EMI Software [General Use]

2017-08-01 Thread Price, Andrew (Leonardo, UK)
Hi all, I have used various versions of Emission Software including HP, Emtest, EMCHire, Labview, Emiscan, Qinetiq own software, and R&S EMC32. Of these if you use R&S EMI receivers then the EMC32 is probably the best. If you have other types of receivers than you should use the best for that r

Re: [PSES] Chamber grounding [General Use]

2017-07-18 Thread Price, Andrew (Leonardo, UK)
Thanks all for the replies. It seems that there is some divided opinion. Some of the test houses I have spoken to state that they definitely ground their chambers via ground spikes. This is to remove low frequency noise that causes issues with the low frequency emc tests that are required in m

Re: [PSES] Chamber grounding [General Use]

2017-07-18 Thread Price, Andrew (Leonardo, UK)
Hi All Which is the best to use? Ground each EMC chamber via an earth spike or back to the transformer of the supply to the building? Which is best practice? Regards Andy Andrew Price Land & Naval Defence Electronics Division Prinicpal Environmental Engineer

[PSES] Calculating Modulated Power Output. [General Use]

2017-06-29 Thread Price, Andrew (Leonardo, UK)
Hi all. I hope one of the RF engineers can help with this. When calculating ERP you use the Tx power either in dBW or W and the antenna gain in dBi. So when you have pulse modulation, example 9.3GHz, 38.5dBW (7676.89W) ERP at a duty cycle of 13%, do you calculate the modulated power level by u

Re: [PSES] CE Compliance [General Use]

2017-06-20 Thread Price, Andrew (Leonardo, UK)
Thanks everyone for your help. Regards Andy Andrew Price Land & Naval Defence Electronics Division Prinicpal Environmental Engineer (EMC) Leonardo MW Ltd Sigma House, Christopher Martin Rd, Basildon SS14 3EL, UK Tel

[PSES] CE Compliance [General Use]

2017-06-20 Thread Price, Andrew (Leonardo, UK)
Hi all, Can a statement that a product is compliant with the EMC Directive 2004/108/EC or 2014/30/EU in the support documentation be regarded as proof of conformity or does there have to be a Declaration of Conformity which states compliance with the Directive via appropriate standards??? Also

Re: [PSES] RF CS High Current Test Level [General Use]

2017-05-04 Thread Price, Andrew (Leonardo, UK)
Ken There is no requirement that is flat but there are a few that require such a high level 1A, 1.7A, 3.98A over the range 2MHz to 30MHz. Regards Andy Andrew Price Land & Naval Defence Electronics Division Prinicpal Environmental Engineer (EMC)

[PSES] CS High Current Test Level [General Use]

2017-05-04 Thread Price, Andrew (Leonardo, UK)
Rich AS far as I am aware there is only one Bulk Current Injection Probe available for doing high level injection. It was origonally designed by a Mr Dave Herke at Qinetiq and sold through Schaffner Chase, later Teseq. The probe in question is a CIP-9136A. These are made to order. There are hex

[PSES] No Postings?? [General Use]

2017-05-03 Thread Price, Andrew (Leonardo, UK)
Hi there Group For some reason it appears that I am not getting any postings from the forum? Does anyone know why this as occurred? Regards Andy Andrew Price Land & Naval Defence Electronics Division Prinicpal Environmental Engineer (EMC) Leona

[PSES] Purchasing Australian Defence Standards [General Use]

2017-04-03 Thread Price, Andrew (Leonardo, UK)
Hi All Anyone know how we can purchase the following Australian Defence Standards: DEF (AUST) 5681 DEF (AUST)5168 Issue 2 AS/NZS 60529-2004 Need these urgently. Regards Andy Andrew Price Land & Naval Defence Electronics Division Prinicpal Environmental Engin

[PSES] Passive Loop Emissions [General Use]

2017-02-28 Thread Price, Andrew (Leonardo, UK)
Hi All Thanks for all your help. I had a reply from R&S which stated that by changing the units in the Transducer Correction Table to dBuA/m and then entering the Loop Antenna Values (dBS/m) into the table the software will automatically correct the result when the measurement is carried out.

[PSES] Passive Loop Emissions [General Use]

2017-02-27 Thread Price, Andrew (Leonardo, UK)
Hi All I need some help in obtaining the correct result. The customer has requested an extended magnetic field emission test over the range 100kHz to 2MHz with a limit defined in dBpT. The antenna to be used is an EMCO 6512 which has it correction factors provided in dBS/m which the emission so

[PSES] Automated vehicles [General Use]

2016-11-08 Thread Price, Andrew (Leonardo, UK)
Hi all, Is this a case of Total Recall Johnny Cabs Is this going to be a case of Software commands versus human intervention and who or what gets the higher priority. Also there is going to be a great deal of electronic packages, all round cameras, lane sensors, range lasers, Doppler and so

[PSES] Uncertainty Measurement Calculations [General Use]

2016-10-18 Thread Price, Andrew (Leonardo, UK)
Hi all Can anyone shed some light on working up the Uncertainty Measurement Calculations based on UKAS Lab34 for MIL-STD-461 CS115 and CS116. I need to show the uncertainty values for these tests as follows: Uncertainty in overall test level = 2.2dB, Uncertainty in time measurement = 1.91%, Unce

Re: [PSES] Gain Figures Required

2016-03-02 Thread Price, Andrew (Finmeccanica, UK)
Hi All Thanks for the responses it helps. As far as I can tell 91888-1 and 91889-1 are identical to 91888-2 and 91889-2 Regards Andy Andrew Price Prinicpal Environmental Engineer (EMC) Land & Naval Defence Electronics Division Selex ES Ltd Sigma House, Christopher Martin Rd, Basildon SS14 3EL

[PSES] Gain Figures Required

2016-03-02 Thread Price, Andrew (Finmeccanica, UK)
Hi All Can anyone provide me with the gain figures for Ailtech/Stoddard Horn Antennas 91888-1 and 91889-1. Thanks Andy Andrew Price Prinicpal Environmental Engineer (EMC) Land & Naval Defence Electronics Division Selex ES Ltd Sigma House, Christopher Martin Rd, Basildon SS14 3EL, UK * Tel

[PSES] Accelerometers

2015-02-24 Thread Price, Andrew (Selex ES, UK)
Hi all, I know this is a little off topic but does anyone know if Environmental Equipment Ltd is still in existence, after data on several of their accelerometers?? Regards Andy Andrew P. Price Principle Environmental Engineer, (EMC Specialist) SELEX ES, A Finmeccanica Company Sigma House

[PSES] NZ/AUS Generic EMC Standards

2014-03-24 Thread Price, Andrew (Selex ES, UK)
Hi all Does anyone have a pdf copy of the New Zealand/Australian Generic EMC Standards, for emissions and immunity Regards Andy Andrew P. Price Principle Environmental Engineer, (EMC Specialist) SELEX ES, A Finmeccanica Company Sigma House Basildon Essex SS14 3EL * Tel EMC LAB : +44 (0)

[PSES] Hong Kong Approvals for EMC

2013-12-09 Thread Price, Andrew (Selex ES, UK)
Hi All Hope someone can help. Is there some form of agreement between the EU and Hong Kong on accepting equipment that has met the EU EMC Directive and is CE Marked or does this equipment have to be retested and remarked accordingly. Regards Andy Andrew P. Price Principle Environmental En

[PSES] Job Opening for EMC Engineer

2013-11-18 Thread Price, Andrew (Selex ES, UK)
Hi all, Ed is right and so are a lot of the others. I started off in the Avionics Industry and then moved to the Defence Sector originally doing post design work and then eventually into systems engineering. During this time solving problems that were major EMC issues. Even worked on developmen

[PSES] Continued Compliance

2013-08-15 Thread Price, Andrew (Selex ES, UK)
Hi all Can anyone advise? Have a product that has been tested and is EU compliant, there are only a very small number of these been sold. A customer has asked if one of these could be modified to do something extra. This means the addition of some equipment that is purchased from another suppl

[PSES] Which Standard??

2013-06-25 Thread Price, Andrew (Selex ES, UK)
Hi all Can anyone advise? Is there a Harmonised Standard for Microwave Ovens apart from 55014 for Household Appliances?? Regards Andy Andrew P. Price Principle Environmental Engineer, (EMC Specialist) SELEX ES, A Finmeccanica Company Sigma House Basildon Essex SS14 3EL * Tel EMC LAB : +

[PSES] Antenna information Required

2013-05-09 Thread Price, Andrew (Selex ES, UK)
Hi All Can any one provide a data sheet for an IFI EFG-2 Antenna. Regards Andy Andrew P. Price Principle Environmental Engineer, (EMC Specialist) SELEX ES, A Finmeccanica Company Sigma House Basildon Essex SS14 3EL * Tel EMC LAB : +44 (0)1268 883308 *Mobile : +44 (0)7507 854888 email :

Antenna Data sought

2009-01-21 Thread Price, Andrew (SELEX GALILEO, UK)
Hi all. Is there any one out there who may have some data on an old Chase UPA 6190B antenna? Regards Andy Andrew P. Price Principle Hardware Engineer, EMC Specialist SELEX GALILEO, Sensors & Airborne Systems Christopher Martin Road Basildon Essex SS14 3EL Mail Ref : K160 ( Tel D

re: OJ listing for EN61000-6-3:2007

2008-12-04 Thread Price, Andrew (SELEX GALILEO, UK)
Thanks everyone for your replies. Problem now solved. Regards Andy Andrew P. Price Principle Hardware Engineer, EMC Specialist SELEX GALILEO, Sensors & Airborne Systems Christopher Martin Road Basildon Essex SS14 3EL Mail Ref : K160 ( Tel Direct : +44 (0)1268 887271 ( Tel

OJ listing for EN61000-6-3:2007

2008-12-04 Thread Price, Andrew (SELEX GALILEO, UK)
Can anyone tell me if & when EN61000-6-3:2007 was listed in the OJ. Regards Andy Andrew P. Price Principle Hardware Engineer, EMC Specialist SELEX GALILEO, Sensors & Airborne Systems Christopher Martin Road Basildon Essex SS14 3EL Mail Ref : K160 ( Tel Direct : +44 (0)1268 8

High frequency Antennas for EM surveys

2008-12-04 Thread Price, Andrew (SELEX GALILEO, UK)
Hi everyone I am looking for an Antenna 1GHz to 18GHz that can be used for em survey work. This antenna is required for measureing EM fields inside vehicles as well as outside. The standard double ridge horn has too much directivity. I have already identified an antenna to cover the frequency r

EMI Receiver

2008-12-01 Thread Price, Andrew (SELEX GALILEO, UK)
Hi All What was wrong with the old Stoddart/Ailtech Identity? "EMI/Field Intensity Meter" Regards Andy Andrew P. Price Principle Hardware Engineer, EMC Specialist SELEX GALILEO, Sensors & Airborne Systems Christopher Martin Road Basildon Essex SS14 3EL Mail Ref : K160 ( Tel Di

BS EN 55022

2008-10-31 Thread Price, Andrew (SELEX GALILEO, UK)
all Have just checked the BS EN document page for BS EN 55022, the version listed 30-11-2006 which is listed as active is version BS EN 55022:2006 +A1:2007. This document includes limits for Radiated Emissions above 1GHz in Section 6.2 Tables 8 and 9. Regards Andy Andrew P. Price Principl

re: Germanium & ITO Window shielding effectiveness

2004-09-20 Thread Price, Andrew P (UK Basildon)
Thanks everyone for your replies. Regards Andy Andrew Price Principal Development Engineer (EMC Specialist) BAE SYSTEMS Avionics A125 Christopher Martin Road Basildon, Essex SS14 3EL tel: +44 (0) 1268 883308 email: andrew.p.pr...@baesystems.com ***

Add a new memeber

2003-10-24 Thread Price, Andrew P (UK)
Could you add Dr Nigel Carter to the email listing email nigel.car...@ntlworld.com Regards Andy Andrew Price Principal Development Engineer (EMC Specialist) BAE SYSTEMS Avionics A125 Christopher Martin Road Basildon, Essex SS14 3EL tel: +44 (0) 1268 883308 email: andrew.p.pr...@baesystems.c

Add a new member

2003-10-10 Thread Price, Andrew P (UK)
Could you please add Dr Nigel Carter nigel.ca...@ntlworld.com to the emc_pstc mailing list Regards Andy Andrew Price Principal Development Engineer (EMC Specialist) BAE SYSTEMS Avionics A125 Christopher Martin Road Basildon, Essex SS14 3EL tel: +44 (0) 1268 883308 email: andrew.p.pr...@bae

re-SAR Testing

2003-04-07 Thread Price, Andrew
Thanks everyone for the help provided. Regards Andy Andrew Price Principal Development Engineer (EMC Specialist) BAE SYSTEMS Avionics A125 Christopher Martin Road Basildon, Essex SS14 3EL tel: +44 (0) 1268 883308 email: andrew.p.pr...@baesystems.com ***

SAR Testing

2003-04-03 Thread Price, Andrew
Help needed. Has anyone carried out or know of anywhere that can carryout SAR testing for a bluetooth transmitter with a power 100mW to 500mW. Regards Andy Andrew Price Principal Development Engineer (EMC Specialist) BAE SYSTEMS Avionics A125 Christopher Martin Road Basildon, Essex SS14 3EL t