John Ackermann N8UR wrote: > That also leads to a thought I've had -- if you have a pair of roughly > comparable oscillators at say 5 MHz, what about combining their outputs > in a mixer and using the 10 MHz sum output which (apart from noise added > by the mixer) ought to be sqrt-2 better than either unit alone? > > John > ---- > John
Lowest mixer noise is achieved when the difference frequency is reflected back into the mixer whilst terminating the sum frequency in a matched load. You can also use several mixers and combine their outputs to reduce the effective mixer noise. 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.
