MB1504 Fujitsu, MB1504 Datasheet - Page 15

• Manufacturer Part Number: MB1504
• Description: ASSP SERIAL INPUT PLL FREQUENCY SYNTHESIZER
• Manufacturer: Fujitsu

Lock up Time Measurement
Phase Characteristics Measurement
LPF Circuit
P
P
V
f
f
VCO
VCO
CC
1k
f
G
G
=3V, V
IN
=Low unlock condition
=High unlock condition
V
Energy (En)=V
P
12.8MHz
CC
=8V
f=fr–fp
=3V, V
MB1504
1k
10 F
OSC
4k
P
f
=3V
IN
IN
2
t
Controller
(Divide ratio
setting)
V
CC
0.1 F
D
MB1504
O
Step to Lock condition (533MHz)
Step to Lock condition (518MHz)
4k
V
P
LPF
1 F
D
fr
fp
O
Oscilloscope (10M , 10pF)
10k
10k
to VCO
VCO
Oscilloscope
(10M , 10pF)
MB1504H
MB1504L
MB1504
15