#### Fractional-N

##### Full Member level 1

**first order noise shaping**

Hi,

please help me understand the concept of noise shaping

1- What is noise shaping?

2- What is first-order noise shaping?

3- What is the difference between first-order noise shaping and second-order or third-order ... noise shaping?

4- Can anyone describe noise shaping in time domain?

Thank you