Preliminary Data Sheet
AS3802
RX AGC Electrical Characteristics
Parameter
Frequency Range
Maximum Gain
Minimum Gain
Noise Figure
Input IP3
Output CP1
Gain Var. in +/-630 kHz
bandwidth centered at 85MHz
Gain Slope Linearity
(over any 6dB segment)
Gain Control Voltage Range
6.5
-7
-14
-25
+/-0.05
+/- 3
0.2-3
50
-50
min
typ
80-250
max
Unit
MHz
dB
dB
dB
dBm
dBm
dBm
dB
dB
V
-32 to +72 deg.C
0.2V min Gain
3.0V max Gain
ref. To GND
Note
f
-3dB
=250MHz
V
G
=3V
V
G
=0.2V
max Gain
min Gain FM
min Gain CDMA 1)
Gain Control Input Impedance
Current Consumption
Input Resistance
Output Impedance
16
10
1k diff.
850 sing.
500
14
kΩ
mA
Ω
Ω
Ω
CDMA
FM
500
Ω
differential
outside
(Reff. =250Ω)
CDMA to FM Isolation
Power Down Mode
30
dB
2)
Notes:
Measurements refered to 85MHz.
1) Two tone measurement is used.
f
1
=86MHz; f
2
=87MHz; SEL=High for CDMA mode, SEL=Low for FM mode.
2) High≡Active, Low≡Power save, Input impedance
≥16kΩ.
Rev. A
3/9
Jul 98
AMSCO [ AUSTRIAMICROSYSTEMS AG ]
