MAX2057ETX-T datasheet(4/12 Pages) MAXIM

Part #	MAX2057ETX-T

Description	1700MHz to 2500MHz Variable-Gain Amplifier with Analog Gain Control

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Manufacturer	MAXIM [Maxim Integrated Products]

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1700MHz to 2500MHz Variable-Gain

Amplifier with Analog Gain Control

4

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GAIN vs. GAIN-CONTROL VOLTAGE

VCNTL (V)

3.5

3.0

2.5

2.0

1.5

-5

0

5

10

15

20

-10

1.0

4.0

TA = +25

°C

TA = -40

°C

TA = +85

°C

GAIN vs. RF FREQUENCY

RF FREQUENCY (MHz)

2300

2100

1900

1700

11

13

15

17

19

9

1500

2500

TA = -40

°C

TA = +25

°C

TA = +85

°C

REVERSE ISOLATION

vs. RF FREQUENCY

RF FREQUENCY (MHz)

2300

2100

1900

1700

30

35

40

25

1500

2500

TA = +25

°C

TA = +85

°C

TA = -40

°C

INPUT RETURN LOSS

vs. RF FREQUENCY

RF FREQUENCY (MHz)

2300

2100

1700

1900

35

30

25

20

15

10

5

0

40

1500

2500

MAX GAIN

3dB GAIN REDUCTION

6dB GAIN REDUCTION

9dB, 12dB, 15dB, 18dB

GAIN REDUCTION

OUTPUT RETURN LOSS

vs. RF FREQUENCY

RF FREQUENCY (MHz)

2300

2100

1700

1900

35

30

25

20

15

10

5

0

40

1500

2500

MAX GAIN, 3dB, 6dB, 9dB, 12dB,

15dB, AND 18dB GAIN REDUCTION

GAIN vs. RF FREQUENCY

RF FREQUENCY (MHz)

2300

2100

1900

1700

-5

0

5

10

15

20

-10

1500

2500

MAXIMUM GAIN

18dB GAIN REDUCTION

SUPPLY CURRENT

vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

5.125

5.000

4.875

160

170

180

190

200

150

4.750

5.250

TA = +85

°C

TA = +25

°C

TA = -40

°C

INPUT RETURN LOSS

vs. RF FREQUENCY

RF FREQUENCY (MHz)

2300

2100

1700

1900

35

30

25

20

15

10

5

0

40

1500

2500

TA = +85

°C

TA = +25

°C

TA = -40

°C

OUTPUT RETURN LOSS

vs. RF FREQUENCY

RF FREQUENCY (MHz)

2300

2100

1700

1900

35

30

25

20

15

10

5

0

40

1500

2500

TA = +25

°C

TA = -40

°C

TA = +85

°C

Typical Operating Characteristics

One Attenuator Configuration

(Typical Application Circuit with one attenuator connected, VCC = +5.0V, R1 = 1.2k

Ω, R2 = 2kΩ, fIN = 2100MHz, maximum gain

setting, POUT = +5dBm, linearity measured at POUT = +5dBm/tone, TA = +25°C, unless otherwise noted.)

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