Re: Horn antennas, pre-amplifier, and return loss measurement
The most knowledgeable person on 40-200+ GHz is Mr. Chuck Oleson (408-778-0491) of OLM Inc. in Morgan Hill CA. I suggest you contact him for informed answers. === Best Regards Hans Mellberg EMC Consultant _ Do You Yahoo!? Bid and sell for free at http://auctions.yahoo.com - This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord...@ieee.org with the single line: unsubscribe emc-pstc (without the quotes). For help, send mail to ed.pr...@cubic.com, jim_bac...@monarch.com, ri...@sdd.hp.com, or roger.volgst...@compaq.com (the list administrators).
Re: Horn antennas, pre-amplifier, and return loss measurement
My higher horns came from Millitech. Leslie Bai wrote: EMCO has no horn over 40GHz. --- WOODS, RICHARD wo...@sensormatic.com wrote: Try EMCO for horns and MITEQ for preamps. -- From: Leslie Bai [SMTP:leslie_...@yahoo.com] Sent: Thursday, August 12, 1999 1:15 PM To: 'emc-p...@majordomo.ieee.org' Subject: Horn antennas, pre-amplifier, and return loss measurement Hi, Folks, Is there anyone can direct me to some sources of horn antennas preamplifiers. What I need are sets of horn antenna for spurious emissions testing to meet FCC Part 101. 1 to 18GHz, 18 to 26.5GHz, 26.5 to 40GHz, or 18 to 40GHz instead, 40 to 60GHz, 50 to 75GHz, or 40 to 75GHz instead, 75 to 110GHz, 110 to 170GHz, or 75 to 170GHz instead. Due to the significant space loss over 110GHz, I guess I also need a set of preamplifier from 110 to 170GHz. I am also studying on return loss measurement methodologies to meet ETSI requirement for radios RF port. Since NAMAS calibration of network analyzer may cost thousands bucks, I am wondering if I could achieve a good result (in terms of accuracy and uncertainty) using spectrum analyser and waveguide coupler. If anyone by any chance has an ready error model of the test setup using spectrum analyzer and waveguide coupler, I appreciate you could share with me to short my research path. Thanks in advance. Leslie Bai Senior Compliance Engineer Compliance Quality Manager Digital Microwave Corporation 170 Rose Orchard Way San Jose, CA 95134 Tel: (408)-944-1754 _ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com - This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord...@ieee.org with the single line: unsubscribe emc-pstc (without the quotes). For help, send mail to ed.pr...@cubic.com, jim_bac...@monarch.com, ri...@sdd.hp.com, or roger.volgst...@compaq.com (the list administrators). - This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord...@ieee.org with the single line: unsubscribe emc-pstc (without the quotes). For help, send mail to ed.pr...@cubic.com, jim_bac...@monarch.com, ri...@sdd.hp.com, or roger.volgst...@compaq.com (the list administrators). _ Do You Yahoo!? Bid and sell for free at http://auctions.yahoo.com - This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord...@ieee.org with the single line: unsubscribe emc-pstc (without the quotes). For help, send mail to ed.pr...@cubic.com, jim_bac...@monarch.com, ri...@sdd.hp.com, or roger.volgst...@compaq.com (the list administrators). -- Jon D. Curtis, PE Curtis-Straus LLC j...@curtis-straus.com Laboratory for EMC, Safety, NEBS, SEMI-S2 and Telecom 527 Great Roadvoice (978) 486-8880 Littleton, MA 01460 fax (978) 486-8828 http://www.curtis-straus.com - This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord...@ieee.org with the single line: unsubscribe emc-pstc (without the quotes). For help, send mail to ed.pr...@cubic.com, jim_bac...@monarch.com, ri...@sdd.hp.com, or roger.volgst...@compaq.com (the list administrators).
RE: Horn antennas, pre-amplifier, and return loss measurement
Bai: Are you sure that SA + waveguide coupler is a cheaper solution for your return loss measurement ? For a wide band of microwave frequency, you may need a lot of different waveguide couplers, which may cost thousand bucks themselves. Another problem is accuracy. It's not easy to calibrate your setup to make sure that what you measured is return loss from your EUT rather than something else such as mismatch at the connection between your waveguide and SA. Just my 2 cents. Regards Qu Pingyu -Original Message- From: Leslie Bai [SMTP:leslie_...@yahoo.com] Sent: Friday, 13 August 1999 1:15 To: 'emc-p...@majordomo.ieee.org' Subject: Horn antennas, pre-amplifier, and return loss measurement Hi, Folks, Is there anyone can direct me to some sources of horn antennas preamplifiers. What I need are sets of horn antenna for spurious emissions testing to meet FCC Part 101. 1 to 18GHz, 18 to 26.5GHz, 26.5 to 40GHz, or 18 to 40GHz instead, 40 to 60GHz, 50 to 75GHz, or 40 to 75GHz instead, 75 to 110GHz, 110 to 170GHz, or 75 to 170GHz instead. Due to the significant space loss over 110GHz, I guess I also need a set of preamplifier from 110 to 170GHz. I am also studying on return loss measurement methodologies to meet ETSI requirement for radios RF port. Since NAMAS calibration of network analyzer may cost thousands bucks, I am wondering if I could achieve a good result (in terms of accuracy and uncertainty) using spectrum analyser and waveguide coupler. If anyone by any chance has an ready error model of the test setup using spectrum analyzer and waveguide coupler, I appreciate you could share with me to short my research path. Thanks in advance. Leslie Bai Senior Compliance Engineer Compliance Quality Manager Digital Microwave Corporation 170 Rose Orchard Way San Jose, CA 95134 Tel: (408)-944-1754 _ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com - This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord...@ieee.org with the single line: unsubscribe emc-pstc (without the quotes). For help, send mail to ed.pr...@cubic.com, jim_bac...@monarch.com, ri...@sdd.hp.com, or roger.volgst...@compaq.com (the list administrators). - This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord...@ieee.org with the single line: unsubscribe emc-pstc (without the quotes). For help, send mail to ed.pr...@cubic.com, jim_bac...@monarch.com, ri...@sdd.hp.com, or roger.volgst...@compaq.com (the list administrators).
RE: Horn antennas, pre-amplifier, and return loss measurement
EMCO has no horn over 40GHz. --- WOODS, RICHARD wo...@sensormatic.com wrote: Try EMCO for horns and MITEQ for preamps. -- From: Leslie Bai [SMTP:leslie_...@yahoo.com] Sent: Thursday, August 12, 1999 1:15 PM To: 'emc-p...@majordomo.ieee.org' Subject: Horn antennas, pre-amplifier, and return loss measurement Hi, Folks, Is there anyone can direct me to some sources of horn antennas preamplifiers. What I need are sets of horn antenna for spurious emissions testing to meet FCC Part 101. 1 to 18GHz, 18 to 26.5GHz, 26.5 to 40GHz, or 18 to 40GHz instead, 40 to 60GHz, 50 to 75GHz, or 40 to 75GHz instead, 75 to 110GHz, 110 to 170GHz, or 75 to 170GHz instead. Due to the significant space loss over 110GHz, I guess I also need a set of preamplifier from 110 to 170GHz. I am also studying on return loss measurement methodologies to meet ETSI requirement for radios RF port. Since NAMAS calibration of network analyzer may cost thousands bucks, I am wondering if I could achieve a good result (in terms of accuracy and uncertainty) using spectrum analyser and waveguide coupler. If anyone by any chance has an ready error model of the test setup using spectrum analyzer and waveguide coupler, I appreciate you could share with me to short my research path. Thanks in advance. Leslie Bai Senior Compliance Engineer Compliance Quality Manager Digital Microwave Corporation 170 Rose Orchard Way San Jose, CA 95134 Tel: (408)-944-1754 _ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com - This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord...@ieee.org with the single line: unsubscribe emc-pstc (without the quotes). For help, send mail to ed.pr...@cubic.com, jim_bac...@monarch.com, ri...@sdd.hp.com, or roger.volgst...@compaq.com (the list administrators). - This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord...@ieee.org with the single line: unsubscribe emc-pstc (without the quotes). For help, send mail to ed.pr...@cubic.com, jim_bac...@monarch.com, ri...@sdd.hp.com, or roger.volgst...@compaq.com (the list administrators). _ Do You Yahoo!? Bid and sell for free at http://auctions.yahoo.com - This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord...@ieee.org with the single line: unsubscribe emc-pstc (without the quotes). For help, send mail to ed.pr...@cubic.com, jim_bac...@monarch.com, ri...@sdd.hp.com, or roger.volgst...@compaq.com (the list administrators).
Horn antennas, pre-amplifier, and return loss measurement
Hi, Folks, Is there anyone can direct me to some sources of horn antennas preamplifiers. What I need are sets of horn antenna for spurious emissions testing to meet FCC Part 101. 1 to 18GHz, 18 to 26.5GHz, 26.5 to 40GHz, or 18 to 40GHz instead, 40 to 60GHz, 50 to 75GHz, or 40 to 75GHz instead, 75 to 110GHz, 110 to 170GHz, or 75 to 170GHz instead. Due to the significant space loss over 110GHz, I guess I also need a set of preamplifier from 110 to 170GHz. I am also studying on return loss measurement methodologies to meet ETSI requirement for radios RF port. Since NAMAS calibration of network analyzer may cost thousands bucks, I am wondering if I could achieve a good result (in terms of accuracy and uncertainty) using spectrum analyser and waveguide coupler. If anyone by any chance has an ready error model of the test setup using spectrum analyzer and waveguide coupler, I appreciate you could share with me to short my research path. Thanks in advance. Leslie Bai Senior Compliance Engineer Compliance Quality Manager Digital Microwave Corporation 170 Rose Orchard Way San Jose, CA 95134 Tel: (408)-944-1754 _ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com - This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord...@ieee.org with the single line: unsubscribe emc-pstc (without the quotes). For help, send mail to ed.pr...@cubic.com, jim_bac...@monarch.com, ri...@sdd.hp.com, or roger.volgst...@compaq.com (the list administrators).
