The solution Larry and I discussed was an "audio only" fix that does not handle the RF side at all. We will be testing an "Auto Mute" function using X2-12 as an input. Grounding this input will assert the Mute function as it exists today. RF switching will need to be handled separately and should be considered carefully as others have noted that there _are_ reasonable limits (say what?) to what you can put into the SDR-1000 front end. I'll let the hardware experts talk about what those limits are. ;)
Eric Wachsmann FlexRadio Systems > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > Sent: Wednesday, December 14, 2005 5:06 PM > To: Larry W8ER; [EMAIL PROTECTED]; 'Flex Reflector'; Jim Lux > Subject: Re: Re: [Flexradio] Mute for SDR Receiver > > Eric has to consider the protection of the front end of the receiver when > muting as I'm sure there is a max limit that can't be exceeded. > > My TEK analyzer says "Max +20 dbm" on the input. Cost me $2200 to get it > fixed the last time I didn't pay attention. > > Any leakage data on the various antenna relays available? > > Larry K2LT > > > > > From: "Larry W8ER" <[EMAIL PROTECTED]> > > Date: 2005/12/14 Wed PM 10:18:55 WET > > To: <[EMAIL PROTECTED]>, "'Flex Reflector'" <[EMAIL PROTECTED] > radio.biz>, > > "Jim Lux" <[EMAIL PROTECTED]> > > Subject: Re: [Flexradio] Mute for SDR Receiver > > > > Hi Jim, > > > > Yes, you are correct. I spoke with Eric on the landline earlier and was > able to explain it more clearly to him. Sometimes email just doesn't do > it as well as a phone call! I think he understands exactly what I was > looking for and may be working on a simple implementation. I can't > understand why someone else hasn't needed a "mute" function before this. > > > > -- Larry > > > > > > Larry Taft K2LT > T and T Measurements > drakerepair.com > 800-687-9161
