Re: [PSES] Anechoic Chamber Questions

2016-05-06 Thread Pawson, James
Many thanks to all who replied on the subject. I have made some measurements in our chamber using a broadband noise source at different positions relative to the receive antenna. The aim was to characterise the chamber performance and check for any reflections or non-ideal performance. There

Re: [PSES] Anechoic Chamber Questions

2016-04-30 Thread Ted Eckert
@LISTSERV.IEEE.ORG Subject: Re: [PSES] Anechoic Chamber Questions The US DoD has fairly deep pockets, as evidenced by the Benefield Test Chamber at Edwards AFB. The Benefield chamber is about 250’ x 250’ x 70’ high. See: http://www.edwards.af.mil/shared/media/document/AFD-141126-061.pdf Ed Price

Re: [PSES] Anechoic Chamber Questions

2016-04-30 Thread Ed Price
- From: John Allen [mailto:john_e_al...@blueyonder.co.uk] Sent: Saturday, April 30, 2016 8:45 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Anechoic Chamber Questions I think that before the practical limits come into play, financial limits will stop the designed chamber from further

Re: [PSES] Anechoic Chamber Questions

2016-04-30 Thread John Allen
il 2016 19:42 To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Anechoic Chamber Questions In the words of an old colleague, “chambers and race cars are alike in that there is no substitute for cubic inches.” That said, absorber material works best when the angle of incidence is a close to s

Re: [PSES] Anechoic Chamber Questions

2016-04-30 Thread Ghery S. Pettit
9 April 2016 19:42 To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Anechoic Chamber Questions In the words of an old colleague, “chambers and race cars are alike in that there is no substitute for cubic inches.” That said, absorber material works best when the angle of incidence is a close to s

Re: [PSES] Anechoic Chamber Questions

2016-04-30 Thread ce-test, qualified testing bv - Gert Gremmen
9 April 2016 19:42 To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Anechoic Chamber Questions In the words of an old colleague, “chambers and race cars are alike in that there is no substitute for cubic inches.” That said, absorber material works best when the angle of incidence is a close to s

Re: [PSES] Anechoic Chamber Questions

2016-04-29 Thread Ghery S. Pettit
) 790 9672 From: Pawson, James [mailto:james.paw...@echostar.com] Sent: Friday, April 29, 2016 12:14 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES] Anechoic Chamber Questions Hello all, I have some questions about anechoic chambers that I need some help with and I'm sure there is some

Re: [PSES] Anechoic Chamber Questions

2016-04-29 Thread T.Sato
On Fri, 29 Apr 2016 07:14:05 +, "Pawson, James" wrote: > I have some questions about anechoic chambers that I need some help with and > I'm sure there is some expertise in this group that can help. > > 1) My understanding is that an anechoic chamber is

Re: [PSES] Anechoic Chamber Questions

2016-04-29 Thread ce-test, qualified testing bv - Gert Gremmen
y e-mail and delete the material from any computer. Thank you for your co-operation. From: Ed Price [mailto:edpr...@cox.net] Sent: Friday 29 April 2016 11:28 To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Anechoic Chamber Questions Jim: “if you move a source towards / away from the antenna, the

Re: [PSES] Anechoic Chamber Questions

2016-04-29 Thread Ed Price
] Anechoic Chamber Questions Hello all, I have some questions about anechoic chambers that I need some help with and I’m sure there is some expertise in this group that can help. 1. My understanding is that an anechoic chamber is meant to simulate a reflection-less, free space

[PSES] Anechoic Chamber Questions

2016-04-29 Thread Pawson, James
Hello all, I have some questions about anechoic chambers that I need some help with and I'm sure there is some expertise in this group that can help. 1) My understanding is that an anechoic chamber is meant to simulate a reflection-less, free space environment. Therefore if you move a