BW2010AGP Datasheet

  • BW2010AGP

  • BW2010AGP Frequency Doubler BW2010AGP|Data Sheet

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Frequency Doubler
BW2010AGP
DECEMBER 1998. Ver1.0
General Description
IN A.G.P.-2X Mode, the PLL output Frequency is
133
/
3
Mhz which is doubled with 66
/
3
Mhz Input
Frequency.
The PLL produces a good clock duty cycle with the
voltage controlled oscillator (VCO) running at
266
2
/
3
MHz and divide by 2.
The 133
1
/
3
MHz clock also has to be routed to all
outputs of the interface and proper care needs to be
taken such that the clock skew across the
interface is minimized.
* 66
2
/
3
= 66.66MHz
133
1
/
3
= 133.33MHz
266
2
/
3
= 266.66MHz
1
2
Features
. 0.35u CMOS device technology
. Single power supply : +3.3V
. Output frequency : 133
1
/
3
MHz
. Jitter : +/- 100ps
. Duty ratio : 49% to 51%
. Provision for 66
2
/
3
MHz Input frequency.
. Power Down mode
Functional Block
Diagram
VDD
VSS
VBB
FOUT
FOUT2X
Buffer
1/2
Buffer
1/2
PFD
FIN
Charge
Pump
VCO
Loop
Filter
FILTER
External
PWRDN
VDDA
VSSA
VSUB
Figure1 . Functional Block Diagram

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