RE: [Repeater-Builder] Desense on High Power Linear Repeater?

On Thu, 21 May 2009 08:06:38 -0400, Jeff DePolo j...@broadsci.com said: This leads me to a question that I have had on my mind. How are people doing desense testing with D-Star systems? (Remember, it's digital.) 73, Joe, K1ike How about this - record a clean D-Star transmission

RE: [Repeater-Builder] Desense on High Power Linear Repeater?

This leads me to a question that I have had on my mind. How are people doing desense testing with D-Star systems? (Remember, it's digital.) 73, Joe, K1ike How about this - record a clean D-Star transmission (not decoded, just the raw output from an FM receiver) on a PC with a good sound

RE: [Repeater-Builder] Desense on High Power Linear Repeater?

Aaron, My CommShop for Windows program suggests that about 88 dB of isolation is needed for a 20 watt repeater, assuming 0.2 uV sensitivity on the receiver- which you didn't specify. Bumping the power to 100 watts will increase that figure to about 95 dB. My gut feeling is that your duplexer is

Re: [Repeater-Builder] Desense on High Power Linear Repeater?

This leads me to a question that I have had on my mind. How are people doing desense testing with D-Star systems? (Remember, it's digital.) 73, Joe, K1ike Eric Lemmon wrote: Aaron, My CommShop for Windows program suggests that about 88 dB of isolation is needed for a 20 watt repeater,