ml12011 Lansdale Semiconductor, Inc., ml12011 Datasheet - Page 3

• Manufacturer Part Number: ml12011
• Description: Mecl Pll Components Dual Modulus Prescaler
• Manufacturer: Lansdale Semiconductor, Inc.

ML12009, ML12011
Page 3 of 14
Figure 2b shows a generic block diagram of connecting a prescaler to a PLL device that supports
dual modulus controls. Applicataion not AN535 describes using a two–modulus prescaler
technique. By using prescaler higher frequencies can be achieved than by a single CMOS PLL
device.
Figure 2b Generic block diagram showing prescaler connection to
ML12009/11
PLL Device
Prescaler
VCO
Fout
MC in
MC
Fin
www.lansdale.com
Loop Filter
PLL
ML145146
ML145158
ML145159
LANSDALE Semiconductor, Inc.
Issue A