TFE-4/RV-1
Company Confidential
TF4 Technical Information
Nokia Customer Care
Page 8b-62
Copyright
©
2005
Nokia Corporation.
Issue 2.0 Mar/2005
Company Confidential
It is important to note that the power supply of the VCXO (VR3) is only switched ‘OFF’ in
the so-called ‘Deep Sleep Mode’ and power supply of VCO (G701 VR7) is switched ‘OFF’ in
so-called ‘Sleep Mode’.
CPO
U
T
PL
L
loo
p
fi
lt
e
r
26
M
H
z
R
B
E
XT
RF_
E
N
RF_
C
L
K
RF_
D
ATA
RESET_
X
V
B
E
X
T
XTAL
M
XTAL
P
RE
F
O
U
T
REFO
U
T
VPLL
VD
DCP
VD
DPRE
VDDL
O
VD
DPL
L
VDDXO
V
R
E
F1
VD
DDL
VD
DDI
G
VD
DBBB
VBB (
1
.8
V)
2,
7k
Vc
p
su
ppl
y
fi
lt
e
r
S
EN
S
E
RESETX
IN
P
L
O
IN
ML
O
P
A
vendo
r
indi
cat
ion
Rp
a
Re
f.
fi
lt
e
r
3
R
F
BU
SX
R
F
BU
SDA
R
F
BU
SCL
K
Sy
nt
h
su
ppl
y
fi
lt
e
r
R
e
f cl
k
set
VR
5
VR
3
R
F
C
O
N
V
_0(
9)
VI
O
V
C
OS
E
N
S
E
VR2
VI
O
SELADDR
GE
N
IO6
VCXO
supp
ly
fi
lte
r
VR7
LP
R
CL
K
bu
ff
e
r
VCO
supp
ly
fi
lt
e
r
VR1A
5V
64/
65
NDI
V
ADI
V
ϕ
C
har
ge
Pu
m
p
RD
IV
1/
2
1/
4
1/
2
1/
4
1/
2
Bu
ff
e
r
LO
C
N
T
REFCNT
Lock
De
te
c
t
Di
g
it
a
l Co
n
tr
o
l
M
ai
n
B
ias C
ir
c
ui
t
Re
s
is
to
r Ex
t/
R
2
H/
R2
VD
DRXBB
S
e
nsor
BI
ST
/
Te
m
p
.
V
D
D
TX
I/
O
l
e
v
e
l
shi
ft
Bu
f/
AG
C
VCXO
Bia
s
R
2
H/
R2
AFC/
C
A
L
Co
n
tr
o
l
RESETX
3
V
D
D
R
X
B
B
2
2
2
2
T
o
DC
S/
PCS
Mo
d
u
la
to
r
To
G
S
M
Mo
d
u
la
to
r
T
o
DC
S/
PCS
RX m
ix
e
r
To
G
S
M
RX
mi
x
e
r
2
2
2
2