STA011 datasheet(12/38 Pages) STMICROELECTRONICS

12 / 38 page

Electrical specifications

STA011

12/38

Figure 3.

Typical IF overall gain vs control voltage

Noise Figure

Measurements condition:

Input SOP, SON pins; output

RXI, NRXI pins, Rs=50Ω,

Double Side Band,

IFGain=65dB

912

1dB cp

1dB compression point

Gain=65dB

-53

-50

dBm

1dB cp,fg

1dB compression point,

full gain

Gain=81dB

-69

-66

dBm

IIP3

Input IP3

Gain=65dB

-45

-41

dBm

IIP3,fg

Input IP3

Gain=81dB

-61

-57

dBm

Zin

Input impedance

Balanced @ SOP, SON,

Zout

Output impedance

Balanced @ RXI, RXIN

Corresponding to 1.75mA in

each emitter follower

VDC,IFin

SIP, SIN common mode

DC voltage

AC coupled to the SAW filter

VP-1.3

VP-1.1

VP-0.9

VDC,RXout

RXI,NRXI common mode

DC voltage

AC coupled to the base-band

VP-2.1

VP-1.8

VP-1.65

VDC,PADJ

PADJ1,2 common mode

DC voltage

VP-0.3

VP-0.12

VP-0.5

Zadj

Gain adjustment pins

impedance

Balanced GADJ1, GADJ2

pins

650

800

950

BBleak

LO2 to BB leakage

Obtained by using low pass

filter at the output

-49

-30

dBm

IF2leak

LO2 to IF1 leakage

Obtained by using SAW filter

at the input

-44

-30

dBm

Table 8.

IFVGA amplifiers, IF mixer and output buffer (Tamb = 25°C, VP-VN = 3V) (continued)

Symbol

Parameter

Test conditions/notes

Min.

Typ.

Max.

Unit

0.7

0.75

0.77

0.79

0.8

0.82

0.84

0.86

0.88

0.9

V(AGC1, AGC2) (Volt)

IF gain (dB)

IF TOTAL VOLTAGE GAIN (dB)

input SOP,NOP output RXI,NRXI

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

1.9

2.1

2.2

2.3

2.4

2.5

2.6

2.7

V(AGC1, AGC2) (Volt)

IF gain (dB)

IF TOTAL VOLTAGE GAIN (dB)

input SOP,NOP output RXI,NRXI

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