Thx!! 73 Eugene W2HX
-----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Bruce Griffiths Sent: Thursday, April 21, 2011 9:21 PM To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] Dist Amps Questions David VanHorn wrote: > /worry || be_happy. > > > > 1. 50/75 ohm question. I know that putting 50 ohm source into a 75 > ohm device will cause SWR. I know that the total power delivered to the > device will be the difference between forward power and reflected power. So > that doesn't seem bad, just might have a lower power input into the DA. > However, what about distortion? Will the sine wave be distorted somewhat? > And what if any adverse effect could a distorted sine wave have on various > instruments using the 10 MHz reference? > > The distortion depends on the output stage design. Emitter follower and similar output stages have lower distortion for high impedance loads. current source output stages tend to have lower distortion for low impedance loads. Bruce _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
