X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Mon, 06 Feb 2006 00:06:20 -0500 Message-ID: X-Original-Return-Path: Received: from sccrmhc12.comcast.net ([63.240.77.82] verified) by logan.com (CommuniGate Pro SMTP 5.0.8) with ESMTP id 970929 for lml@lancaironline.net; Sun, 05 Feb 2006 11:10:29 -0500 Received-SPF: none receiver=logan.com; client-ip=63.240.77.82; envelope-from=gary.chris@comcast.net Received: from [66.176.38.182] (c-66-176-38-182.hsd1.fl.comcast.net[66.176.38.182]) by comcast.net (sccrmhc12) with ESMTP id <2006020516094001200832c0e>; Sun, 5 Feb 2006 16:09:40 +0000 X-Original-Message-ID: <43E62343.5060606@comcast.net> X-Original-Date: Sun, 05 Feb 2006 11:09:39 -0500 From: Gary Hall User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.12) Gecko/20050915 X-Accept-Language: en-us, en MIME-Version: 1.0 X-Original-To: Lancair List Subject: Re: [LML] Re: Antenna Lead Content-Type: multipart/alternative; boundary="------------010607080306030306090600" This is a multi-part message in MIME format. --------------010607080306030306090600 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Hi Mike, It has been years and years since I had to deal with "*loss of a typical BNC connection*" but these URL's may help answer your questions. http://www.amphenolrf.com/products/slimlinebnc.asp SlimLine BNC Specifications Electrical Impedance 75 ? with acceptable return loss up through 1 GHz VSWR 1.10 max up to 750 MHz (Return Loss -26.44 dB ) 1.16 max up to 1 GHz (Return Loss -22.61 dB) MIL-STD-1344, method 3005 Working Voltage 400 VAC, peak Dielectric Withstanding Voltage 1000 VAC at 5 seconds minimum per MIL-STD-1344, method 3001, test condition I Contact Resistance Center contact: 12 m ? initial, 12 m ? after environmental, per MIL-STD-202, method 307 Insulation Resistance > 1,000 M? @ 500 volts per MIL-STD-1344, method 3003 *Insertion Loss* *0.1 dB maximum up to 1 GHz per MIL-C-39012* Go to here for some technical info. http://www.astronwireless.com/rf_coax.html Here is another called "rf Made Simple": http://www.amphenolrf.com/rf_made_simple/techquestions.asp Warm regards, Gary FXE (Fort Lauderdale Executive) http://www.uslan.com/hinge-kit.html --------------010607080306030306090600 Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: 7bit Hi Mike,

It has been years and years since I had to deal with "loss of a typical BNC connection" but these URL's may help answer your questions.

http://www.amphenolrf.com/products/slimlinebnc.asp

SlimLine BNC Specifications

Electrical
Impedance	75 Ω with acceptable return loss up through 1 GHz
VSWR	1.10 max up to 750 MHz (Return Loss -26.44 dB ) 1.16 max up to 1 GHz (Return Loss -22.61 dB) MIL-STD-1344, method 3005
Working Voltage	400 VAC, peak
Dielectric Withstanding Voltage	1000 VAC at 5 seconds minimum per MIL-STD-1344, method 3001, test condition I
Contact Resistance	Center contact: 12 m Ω initial, 12 m Ω after environmental, per MIL-STD-202, method 307
Insulation Resistance	› 1,000 MΩ @ 500 volts per MIL-STD-1344, method 3003
Insertion Loss	0.1 dB maximum up to 1 GHz per MIL-C-39012

Go to here for some technical info.
http://www.astronwireless.com/rf_coax.html

Here is another called "rf Made Simple":
http://www.amphenolrf.com/rf_made_simple/techquestions.asp

Warm regards,

Gary

FXE (Fort Lauderdale Executive)
http://www.uslan.com/hinge-kit.html

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