RF2483
Specification
Typ.
Parameter
Unit
Condition
Min.
Max.
V
=2.7V, EN=2.7V, Bandsel=2.7V,
CC
FLO=0dBm, PLO=2400MHz, LO HB and RF
OUT HB ports are matched to 50Ω.
I/Q Modulator High Band
(2400MHz)
IQ=800mV at 100kHz 1.2V . Input IQ sig-
P-P
DC
nals driven differentially and in quadrature
o
from a 50Ω source impedance. T =25 C
A
Baseband Input Voltage*
Baseband Input Level
1.15
1.2
0.8
1.25
V
Common mode voltage
Measured differentially
V
PP
Baseband Input Impedance*
Input Bandwidth*
5.5
150
34
37
kΩ
MHz
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
Measured at 100kHz
50
30
30
38
40
30
30
22
16
I/Q source impedance 50Ω
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
Sideband Suppression
43
47
Carrier Suppression
38
38
32
22
3rd Harmonic of Modulation
Suppression at FLO-3x100kHz
50
50
50
50
58
58
59
62
dBc
dBc
dBc
dBc
μA
GC=2.0V
GC=1.5V
GC=1.0V
GC=0.5V
Baseband Inputs DC Current
Drain*
100
100
Baseband Inputs AC Current
Drain*
μA
PP
V
=2.7V, EN=2.7V, Bandsel=2.7V,
CC
FLO=0dBm, PLO=2400MHz, LO HB and RF
Variable Gain Amplifiers High
Band (2400MHz)
OUT HB ports are matched to 50Ω. Input IQ
signals driven differentially and in quadrature
o
from a 50Ω source impedance. T =25 C
A
Gain Control Voltage Range
Gain Control Range
0
2.0
33
V
32
35
dB
Difference between output power at GC=2.0V
and GC=0.5V
Gain Control Slope
26
29
10
dB/V
kΩ
Calculated GC=1.0V and 1.5V
Gain Control Input Impedance*
Output Power
-3
0.4
3
dB
GC=2.0V, IQ=800mV at 100kHz
P-P
-10
-22
-39
-7
-18
-3
dB
dB
GC=1.5V, IQ=800mV at 100kHz
P-P
-14
-30
GC=1.0V, IQ=800mV at 100kHz
P-P
-35
dB
GC=0.5V, IQ=800mV at 100kHz
P-P
Output Noise at FLO+20MHz*
-155
-156.7
dBm/Hz
dBm/Hz
GC=2.0V, IQ=800mV at 100kHz
P-P
GC=2.0V, IQ=0mV
IQ at 100kHz
P-P
Output P1dB*
Output IP3*
+6
dBm
dBm
+20
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
*=Not tested in production
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
6 of 28
Rev A8 DS060203
RFMD [ RF MICRO DEVICES ]
