RF2483
Specification
Typ.
Parameter
Unit
Condition
Min.
Max.
V
=2.7V, EN=2.7V, Bandsel=0V,
CC
FLO=0dBm, PLO=900MHz, LO LB and RF OUT
Variable Gain Amplifiers Low
Band
LB ports are matched to 50Ω. Input IQ 1.2Vdc,
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
36
dB
Difference between output power at GC=2.0V
and 0.5V
Gain Control Slope
26
29.5
dB/V
Calculated using output power at GC=1.0V
and 1.5V
Gain Control Input Impedance*
Output Power
10
kΩ
-3
0.8
3
dB
GC=2.0V, IQ=800mV at 100kHz
P-P
-7.5
-24
-41
-4.5
-21
-1.5
-16
-33
dB
dB
GC=1.5V, IQ=800mV at 100kHz
P-P
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*
-156.4
-157.2
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
+19
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
Intermodulation IM3 tone at
FLO+70kHz and FLO+130kHz
relative to tone at FLO+90kHz
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
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
5 of 28
RFMD [ RF MICRO DEVICES ]
