STW3100 datasheet(3/7 Pages) STMICROELECTRONICS

3 / 7 page

3/7

STW3100

3.2 Receive Section

Vcc = 2.7V;

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

fRX2

Input Frequency

EGSM900

925

960

MHz

fRX3

GSM1800

1805

1880

fRX4

GSM1900

1930

1990

Zin

Input impedance

Single-Ended

Ω

VSWR_in

Input VSWR into 50 ohm

1.8

2.3

Ripple

Gain Flatness over the Frf

band

Gmax

Total max gain

in 2Vpp Mode

in 4Vpp Mode

∆G

Gain range

AGC gain step

AGC linearity

-1

Noise figure DSB

Low Band

5.5

High Band

ICP-1dB

1dB Input Compression Point

@ Low gain, 0kHz offset

Low Band

-23

-20

dBm

High Band

-26

-23

IIP3

Third Order Input Intercept

Point @ High Front-end gain

Low Band

-14

-10

dBm

High Band

-14

-12

IIP2

2nd Order Input Intercept Point

High Front-end gain

+44

dBm

C/N

Out-of-band Blocking (a, b, c, d)

in Low-Band & (a , d) in High-

Band

Pwanted= -100 dBm,

Pinterf= -1 dBm

(1 dB Insertion Losses for

antenna switch)

9dB

C/N

Out-of-band Blocking (c, b) in

High-Band

Pwanted= -100 dBm,

Pinterf= -13 dBm

9dB

C/N

In-Band Blocking @

|F-Fo|> 3 MHz

Pwanted= -100 dBm,

Pinterf= -24 dBm (LB)

Pinterf= -27 dBm (HB)

9dB

C/N

In-Band Blocking @

1.6 MHz < |F-Fo| < 3 MHz

Pwanted= -100 dBm,

Pinterf= -34 dBm

9dB

C/N

In-Band Blocking @

600 kHz < |F-Fo| < 1.6 MHz

Pwanted= -100 dBm,

Pinterf= -44 dBm

9dB

BW_GMSK

BW_EDGE

3 dB Channel bandwidth

after calibration

110

140

kHz

Att GMSK

Mode

Channel response attenuation

@ 200 kHz

@ 400 kHz

@ 600 kHz

Att EDGE

Mode

Channel response attenuation

@ 200 kHz

@ 400 kHz

@ 600 kHz

Tdelay

Group delay variation

Between 0 & 67.7 kHz

1.8

2.5

Spurs

Spurious emission @ RF input

@ 9 kHz

−1 GHz

@ 1 GHz

− 12 75 GHz

-57

-47

dBm

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