
Preliminary
5-31
RF2483
Rev A2 010904
5
M
U
Parameter
Specification
Typ.
Unit
Condition
Min.
Max.
I/Q Modulator High Band
V
CC
=2.7V, EN=2.7V, Bandsel=2.7V,
FLO=0dBm, PLO=1900MHz, LO HB and
RF OUT HB ports are matched to 50
.
IQ=800mV
P-P
at 100kHz 1.2V
DC
. Input IQ
signals driven differentially and in quadrature
from a 50
source impedance. T
A
=25
o
C
Common mode voltage
Measured differentially
Measured at 100kHz
I/Q source impedance 50
GC=2.0V, no I/Q adjustment
GC=1.5V, no I/Q adjustment
GC=1.0V, no I/Q adjustment
GC=0.5V, no I/Q adjustment
GC=2.0V, no I/Q adjustment
GC=1.5V, no I/Q adjustment
GC=1.0V, no I/Q adjustment
GC=0.5V, no I/Q adjustment
Baseband Input Voltage*
Baseband Input Level
Baseband Input Impedance*
Input Bandwidth*
Sideband Suppression
1.15
1.2
0.8
5.5
150
43
43
46
47
48
44
40
35
1.25
V
V
PP
k
MHz
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
50
30
30
30
30
30
30
25
25
Carrier Suppression
3rd Harmonic of Modulation
Suppression at FLO-3x100kHz
40
40
35
35
47
47
42
42
dBc
dBc
dBc
dBc
μ
A
GC=2.0V
GC=1.5V
GC=1.0V
GC=0.5V
Baseband Inputs DC Current
Drain*
Baseband Inputs AC Current
Drain*
100
100
μ
A
PP
I/Q Modulator Low Band
V
CC
=2.7V, EN=2.7V, Bandsel=0V,
FLO=0dBm, PLO=900MHz, LO LB and RF
OUT LB ports are matched to 50
.
IQ=800mV
P-P
at 100kHz 1.2V
DC
. Input IQ
signals driven differentially and in quadrature
from a 50
source impedance. T
A
=25
o
C
Common mode voltage
Measured differentially
Measured at 100kHz
I/Q source impedance 50
GC=2.0V, no I/Q adjustment
GC=1.5V, no I/Q adjustment
GC=1.0V, no I/Q adjustment
GC=0.5V, no I/Q adjustment
GC=2.0V, no I/Q adjustment
GC=1.5V, no I/Q adjustment
GC=1.0V, no I/Q adjustment
GC=0.5V, no I/Q adjustment
Baseband Input Voltage*
Baseband Input Level
Baseband Input Impedance*
Input Bandwidth*
Sideband Suppression
1.15
1.2
0.8
5.5
150
37
37
44
40
52
50
33
22
1.25
V
V
PP
k
MHz
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
50
30
30
30
30
30
30
25
15
Carrier Suppression
3rd Harmonic of Modulation
Suppression at FLO-3x100kHz
40
40
35
35
59
59
48
41
dBc
dBc
dBc
dBc
μ
A
GC=2.0V
GC=1.5V
GC=1.0V
GC=0.5V
Baseband Inputs DC Current
Drain*
Baseband Inputs AC Current
Drain*
100
100
μ
A
PP