Pfd - charge pump simulation result

Status
Not open for further replies.

subbareddy434

Junior Member level 1
Joined
Jan 21, 2012
Messages
15
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,281
Location
Andhra Pradesh,India
Visit site
Activity points
1,371
Hi
i designed charge pump by using switch at drain topology...and i also connected loop filter to charge pump
charge pump specifications are i=75u
loop filter specifications r=5.4k
c1=4pf c4 =0.4pf
here i attached the schematic and waveforms.....
when both up and down becoming zero loop filter capacitor is discharging.
 

Attachments

  • cp.jpg
    89.7 KB · Views: 115
  • cp2.jpg
    88.8 KB · Views: 116
  • Screenshot.png
    99.6 KB · Views: 133
Last edited:

Status
Not open for further replies.
Cookies are required to use this site. You must accept them to continue using the site. Learn more…