AS3802 datasheet(3/9 Pages) AMSCO

3 / 9 page

Preliminary Data Sheet

AS3802

Rev. A

3/9

Jul 98

RX AGC Electrical Characteristics

Parameter

min

typ

max

Unit

Note

Frequency Range

80-250

MHz

f-3dB=250MHz

Maximum Gain

VG=3V

Minimum Gain

-50

VG=0.2V

Noise Figure

6.5

max Gain

Input IP3

-7

-14

dBm

min Gain FM

min Gain CDMA 1)

Output CP1

-25

dBm

Gain Var. in +/-630 kHz

bandwidth centered at 85MHz

+/-0.05

Gain Slope Linearity

(over any 6dB segment)

+/- 3

-32 to +72 deg.C

Gain Control Voltage Range

0.2-3

0.2V min Gain

3.0V max Gain

ref. To GND

Gain Control Input Impedance

Ω

Current Consumption

Input Resistance

1k diff.

850 sing.

Ω

CDMA

Output Impedance

500

Ω

500

Ω differential

outside

(Reff. =250

Ω)

CDMA to FM Isolation

Power Down Mode

Notes:

Measurements refered to 85MHz.

1) Two tone measurement is used.

f1=86MHz; f2=87MHz; SEL=High for CDMA mode, SEL=Low for FM mode.

2) High

≡Active, Low≡Power save, Input impedance ≥16kΩ.

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