Mar 22, 2003 #1 R Rayengine Full Member level 5 Joined May 18, 2001 Messages 287 Helped 3 Reputation 6 Reaction score 3 Trophy points 1,298 Location Hong Kong Activity points 1,737 Hi, If we multiple the carrier frequency by n times, then the frequency deviation of the input signal is also n times of original. Am I right ? If we upconverting the carrier frequency by x Hz, what is then the relation of deviation? Best RGs Rayengine
Hi, If we multiple the carrier frequency by n times, then the frequency deviation of the input signal is also n times of original. Am I right ? If we upconverting the carrier frequency by x Hz, what is then the relation of deviation? Best RGs Rayengine
Mar 22, 2003 #2 flatulent Advanced Member level 6 Joined Jul 19, 2002 Messages 4,624 Helped 489 Reputation 980 Reaction score 151 Trophy points 1,343 Location Middle Earth Activity points 46,689 do math These things are easier to visualize in algebra. start with 1+d where d is deviation. If you mulitply you get 2+2d or twice the deviation. If you mix you add and get A+1+d where A is the change in frequency. You have the same old d or deviation.
do math These things are easier to visualize in algebra. start with 1+d where d is deviation. If you mulitply you get 2+2d or twice the deviation. If you mix you add and get A+1+d where A is the change in frequency. You have the same old d or deviation.
Mar 24, 2003 #3 R Rayengine Full Member level 5 Joined May 18, 2001 Messages 287 Helped 3 Reputation 6 Reaction score 3 Trophy points 1,298 Location Hong Kong Activity points 1,737 How about the phase noise, if pass through the multiplier?
Mar 24, 2003 #4 flatulent Advanced Member level 6 Joined Jul 19, 2002 Messages 4,624 Helped 489 Reputation 980 Reaction score 151 Trophy points 1,343 Location Middle Earth Activity points 46,689 it too The phase modulation and phase noise also gets multiplied. The multiplication by a fraction, as done by a divider, will reduce the deviation and phase noise.
it too The phase modulation and phase noise also gets multiplied. The multiplication by a fraction, as done by a divider, will reduce the deviation and phase noise.