RF2483
Parameter
I/Q Modulator Low Band,
cont.
Suppression at FLO-3x100kHz
40
40
40
40
Baseband Inputs DC Current
Drain*
Baseband Inputs AC Current
Drain*
57
57
60
52
100
100
dBc
dBc
dBc
dBc
μA
μA
PP
V
CC
=2.7V, EN=2.7V, Bandsel=2.7V,
FLO=0dBm, PLO=1900MHz, LO HB and RF
OUT HB ports are matched to 50Ω. Input IQ
signals driven differentially and in quadrature
from a 50Ω source impedance. T
A
=25
o
C
0
32
26
-3
-8
-24
-38
Output Noise at FLO+20MHz*
Output P1dB*
Output IP3*
35
29
10
0.4
-5
-20
-35
-155
-156.7
+6
+20
3
-2
-16
-30
33
2.0
V
dB
dB/V
kΩ
dBm
dBm
dBm
dBm
dBm/Hz
dBm/Hz
dBm
dBm
GC=2.0V, IQ=800mV
P-P
at 100kHz
GC=1.5V, IQ=800mV
P-P
at 100kHz
GC=1.0V, IQ=800mV
P-P
at 100kHz
GC=0.5V, IQ=800mV
P-P
at 100kHz
GC=2.0V, IQ=800mV
P-P
at 100kHz
GC=2.0V, IQ=0mV
P-P
IQ at 100kHz
GC=2.0V. Extrapolated from IM3 with two
baseband tones at 90kHz applied differen-
tially, in quadrature, at both I and Q inputs,
each tone 400mV
P-P
.
Two baseband tones at 90kHz and 110kHz
applied differentially, in quadrature, at both I
and Q inputs, each tone 400mV
P-P
.
40
40
40
40
50
50
50
47
dBc
dBc
dBc
dBc
GC=2.0V
GC=1.5V
GC=1.0V
GC=0.5V
Difference between output power at GC=2.0V
and GC=0.5V
Calculated GC=1.0V and 1.5V
GC=2.0V
GC=1.5V
GC=1.0V
GC=0.5V
Min.
Specification
Typ.
Max.
Unit
Condition
Variable Gain Amplifiers High
Band
Gain Control Voltage Range
Gain Control Range
Gain Control Slope
Gain Control Input Impedance*
Output Power
Intermodulation IM3 tone at
FLO+70kHz and FLO+130kHz
relative to tone at FLO+90kHz
4 of 28
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
Rev A8 DS060203
RFMD [ RF MICRO DEVICES ]
