[App_rpt-users] DMK URI/URIx 6dB 12 VDC range?

kk6ecm kk6ecm at gmail.com
Fri Jul 24 02:11:35 UTC 2015


Understand... That is what is on the drawing... The supply voltage is 9.5 VDC regulated. I need to measure it.

Thanks,
Bob
kk6ecm

Sent from iPad


> On Jul 23, 2015, at 3:09 PM, Doug Crompton <doug at crompton.com> wrote:
> 
> OK but to answer you first question - yes you could probably go up to 15 or 16 volts but 13.8 or 12 or anything in between or less would be fine.
> 
> You aren't going to get an 8V P-P swing with 12V though. Is it 8V P-P or RMS? Why so high? That is unusual. 
> 
> 73 Doug
> WA3DSP
> http://www.crompton.com/hamradio
> 
> 
> Subject: Re: [App_rpt-users] DMK URI/URIx 6dB 12 VDC range?
> From: kk6ecm at gmail.com
> Date: Thu, 23 Jul 2015 13:56:59 -0700
> To: doug at crompton.com
> 
> Good idea. I'm working with an 8 V signal level requirement. If I can get away with a lesser voltage to drive my exciter, I'll use it.
> 
> Thanks,
> Bob
> kk6ecm
> 
> Sent from iPad
> 
> 
> On Jul 23, 2015, at 11:00 AM, Doug Crompton <doug at crompton.com> wrote:
> 
> It also works quite nicely on 5V as long as you do not exceed the P-P limit of the Opamp at that voltage. I use it with 5V on a system that needs a little more output punch and it works and sounds fine. Wire the opamp power source pin over to the 5V pin on the DMK. Give it a try. If it works it avoids anything external.
> 
> 73 Doug
> WA3DSP
> http://www.crompton.com/hamradio
> 
> 
> > From: kk6ecm at gmail.com
> > Date: Thu, 23 Jul 2015 10:01:18 -0700
> > To: app_rpt-users at ohnosec.org
> > Subject: [App_rpt-users] DMK URI/URIx 6dB 12 VDC range?
> > 
> > I'm wondering if the URI/URIx 6dB 12 VDC (pin 25) range will handle 13.8 (14?) VDC that powers my radio. What is the margin? Looks like the op amp will handle 15.5 VDC. Am I missing something?
> > 
> > Thanks,
> > Bob
> > kk6ecm
> > 
> > Sent from iPad
> > 
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