Preliminary
RF2475
Specification
Typ.
Parameter
Unit
Condition
Min.
Max.
PCS Receive Path, Cont’d
PCS Block Level
Electrical Specifications
Low Noise Amplifier
Frequency Range
1930
16
1990
MHz
dB
dB
Gain
22
2
20
High Gain, Gain Select=High
Low Gain, Gain Select=Low
Gain Step
dB
Gain Variations versus Tempera-
ture
Noise Figure
+1.0
1.9
dB
-30°C to +85°C
1.7
dB
dB
dBm
dBm
Ω
mA
mA
V
High Gain, Gain Select=High
Low Gain, Gain Select=Low
High Gain, Gain Select=High
Low Gain, Gain Select=Low
Input Third Order Intercept
-7
-2
-6
0
50
8
Terminating Impedance
Supply Current
9
9
0.5
High Gain, Gain Select=High
Low Gain, Gain Select=Low
8
Logic Input Low
Logic Input High
V
=2.7V to 2.9V
CC
CC
2.0
V
V
=2.7V to 2.9V
Mixer and LO Buffer
Frequency Range, Mixer Input
Frequency Range, IF Output
Frequency Range, LO Input to
Doubler
Frequency Range, Doubler Out-
put
1930
100
1015
1990
150
1063
MHz
MHz
MHz
8
1039
2078
LO input to device at LO IN8.
2030
7
2126
MHz
Internal output of LO doubler driving the
mixer and TX LO buffer.
Conversion Gain
Noise Figure (SSB)
8
9
4
dB
dB
dBm
dBm
Ω
13
35
8
Input Second Order Intercept
Input Third Order Intercept
Terminating Impedance,
Mixer In, LO In, LO Out
Terminating Impedance,
Mixer In, LO In, LO Out
Return Loss
7
50
External Match
External Match
10
Ω
Terminating Impedance,
IF Out
Mixer Supply Current
>10
23
kΩ
Mixer “ON”
28
mA
Including the LO doubler, but not the TX LO
buffer
LO Input Level
LO Buffer Supply Current
-10
-5
-7
7.5
-4
8.0
dBm
mA
Including the LO doubler and the TX LO
buffer
LO Output Level
-2
dBm
Rev A2 010918
8-93
RFMD [ RF MICRO DEVICES ]
