Hi Everyone,

Some days back I emailed on the group regarding the jitter in the sampling 
clock of ADC. I  have tried the phase modulation method for producing the 
jitter. 
I used the HP 8648B Signal generator for this experiment. I modulated the RF 
wave (at 10 MHz) with noise using the modulating input of the Signal Generator. 
For noise I used a Noise gen. from General Radio Company. It has three options 
for frequency. 10K, 100K and 5 M Hz. 
I observed the output using an oscilloscope. The output wave form was jittery. 
BUT when changed the noise from 5M to 100K there was an increase in jitter.  
Can any one help me out there, why this is happening? According to my 
understanding decreasing the bandwidth of noise  results in decrease in jitter 
as well. 
Also I want to calculate the jitter at the output. i.e. the amount of noise I 
am adding. I think I wont be able to do it over the oscilloscope. Any ideas ?

Regards

Bilal
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