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
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