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MAX2652EUB
(Rev.:1999)

GSM900 and DCS1800/PCS1900 Dual-Band, Low-Noise Amplifiers

Maxim Integrated 

GSM900 and DCS1800/PCS1900

Dual-Band, Low-Noise Amplifiers

DC ELECTRICAL CHARACTERISTICS—MAX2653

(VCC = +2.7V to +3.3V, SHDN = GAIN = VCC, no input signal, all input/output ports terminated in 50Ω, TA = -40°C to +85°C, unless

otherwise noted. Typical values are at VCC = +3V, TA = +25°C.) (Note 1)

PARAMETER

Input Voltage Range

Input Supply Current

Shutdown Supply Current

Input Logic Threshold High

Input Logic Threshold Low

Input Logic High Current

Input Logic Low Current

SYMBOL

VCC

ICC

ISHDN

VIH

VIL

IIH

IIL

CONDITIONS

DCS band, high-gain mode (GAIN = VCC)

DCS band, low-gain mode (GAIN = GND)

SHDN = GND

VIN = VCC

VIN = GND

MIN TYP MAX UNITS

2.7

3.3

V

5.4

8.5

mA

2.2

3.2

0.25

µA

1.5

V

0.5

V

3

µA

-1.5

µA

Note 1: Devices are production tested at TA = +25°C. Minimum and maximum limits are guaranteed by design and characterization.

AC ELECTRICAL CHARACTERISTICS—MAX2651

(MAX2651 EV kit, fIN = 945MHz (GSM band), fIN = 1850MHz (DCS band), PIN = -30dBm, input and output matching networks are

optimized for the frequency band of interest, all input/output ports terminated in 50Ω, VCC = +3V, TA = +25°C, unless otherwise noted.)

(Note 2)

PARAMETER

Input Frequency Range

(Note 3)

SYMBOL

fIN

CONDITIONS

DCS band (BAND = VCC)

GSM band (BAND = GND)

DCS band, high-gain

mode (BAND = GAIN =

VCC)

TA = +25°C

TA = -40°C to +85°C

MIN

1805

925

16.5

16

TYP

18

MAX

1880

960

19.5

20

UNITS

MHz

Power Gain (Note 4)

DCS band, low-gain

TA = +25°C

mode (BAND = VCC,

GAIN = GND)

TA = -40°C to +85°C

G

GSM band, high-gain

TA = +25°C

mode (BAND = GND,

GAIN = VCC)

TA = -40°C to +85°C

-3.5

-2

-0.5

-4

0

dB

16.5

18

19.5

16

20

GSM band, low-gain

mode (BAND = GAIN =

GND)

TA = +25°C

TA = -40°C to +85°C

-3.5

-2

-0.5

-4

0

Noise Figure (Note 4)

DCS band, high-gain mode

(BAND = GAIN = VCC)

DCS band, low-gain mode

NF

(BAND = VCC, GAIN = GND)

GSM band, high-gain mode

(BAND = GND, GAIN = VCC)

GSM band, low-gain mode

(BAND = GAIN = GND)

1.8

2.05

5.5

6.0

dB

1.2

1.4

5.3

6.7

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