RF2483
Parameter
Variable Gain Amplifiers Low
Band
Gain Control Voltage Range
Gain Control Range
Gain Control Slope
Gain Control Input Impedance*
Output Power
-3
-7.5
-24
-41
Output Noise at FLO+20MHz*
Output P1dB*
Output IP3*
0
32
26
36
29.5
10
0.8
-4.5
-21
-35
-156.4
-157.2
+6
+19
3
-1.5
-16
-33
33
2.0
V
dB
dB/V
kΩ
dB
dB
dB
dB
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 and 110kHz applied
differentially, in quadrature, at both I and Q
inputs, each tone 400mV
P-P
.
Two baseband tones at 90kHz and 110kHz
applied at both I and Q inputs, each tone
400mV
P-P
.
40
40
40
40
50
50
50
50
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 0.5V
Calculated using output power at GC=1.0V
and 1.5V
Min.
Specification
Typ.
Max.
Unit
Condition
V
CC
=2.7V, EN=2.7V, Bandsel=0V,
FLO=0dBm, PLO=900MHz, LO LB and RF OUT
LB ports are matched to 50Ω. Input IQ 1.2Vdc,
signals driven differentially and in quadrature
from a 50Ω source impedance. T
A
=25
o
C
Intermodulation IM3 tone at
FLO+70kHz and FLO+130kHz
relative to tone at FLO+90kHz
Rev A8 DS060203
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
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