MB1501 Fujitsu, MB1501 Datasheet - Page 14

• Manufacturer Part Number: MB1501
• Description: SERIAL INPUT PLL FREQUENCY SYNTHESIZER
• Manufacturer: Fujitsu

14
MB1501
MB1501H
MB1501L
Lock up Time Measurement
Phase Characteristics Measurement
LPF Circuit
P
P
V
f
f
VCO
VCO
CC
1k
f
G
G
IN
=3V, V
=Low unlock condition
=High unlock condition
12.8MHz
V
Energy (En)=V
CC
f=fr–fp
P
=8V
=3V, V
MB1501
1k
10 F
OSCin
4k
P
fin
=3V
Controller
(Divide
ratio set-
ting)
2
t
V
CC
D
0.1 F
MB1501
O
4k
Step to Lock condition (518MHz)
Step to Lock condition (533MHz)
V
P
LPF
1 F
D
fr
fp
O
Oscilloscope (10M , 10pF)
10k
10k
to VCO
VCO
Oscilloscope
(10M , 10pF)