Rainbow-electronics MAX2644 Bedienungsanleitung PDF herunterladen (Seite 3)

MAX2644

2.4GHz SiGe, High IP3 Low-Noise Amplifier

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Typical Operating Characteristics

RFIN

= -30dBm, Z

= Z

= 50Ω, V

= +3.0V, f

RFIN

= 2450MHz, R

BIAS

= 1.2kΩ, T

= +25°C, unless otherwise noted.)

2.5 3.5 4.03.0 4.5 5.0 5.5

SUPPLY CURRENT vs. SUPPLY VOLTAGE

MAX2644 toc01

SUPPLY VOLTAGE (V)

SUPPLY CURRENT (mA)

= +25°C

= -40°C

= +85°C

BIAS

= 1.2kΩ

0.5 2.0 2.51.0 1.5 3.0 3.5 4.0

GAIN vs. R

BIAS

MAX2644 toc05

BIAS

(kΩ)

GAIN (dB)

= -40°C

= +85°C

= +25°C

-20

-14

-16

-18

-12

-10

-8

-6

-4

-2

2200 24002300 2500 2600 2700

INPUT AND OUTPUT RETURN LOSS

vs. FREQUENCY

MAX2644 toc06

FREQUENCY (MHz)

REVERSE ISOLATION (dB)

OUTPUT RETURN LOSS

BIAS

= 1.2kΩ

INPUT RETURN LOSS

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

2350 2400 2450 2500 2550

NOISE FIGURE vs. FREQUENCY

MAX2644 toc08

FREQUENCY (MHz)

NOSIE FIGURE (dB)

BIAS

= 1.2kΩ

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

-40 -15 10 35 60 85

NOISE FIGURE vs. TEMPERATURE

MAX2644 toc09

TEMPERATURE (°C)

NOSIE FIGURE (dB)

BIAS

= 1.2kΩ

2200 24002300 2500 2600 2700

GAIN vs. FREQUENCY

MAX2644 toc04

FREQUENCY (MHz)

GAIN (dB)

= -40°C

= +85°C

= +25°C

BIAS

= 1.2kΩ

-50

-40

-45

-30

-35

-25

-20

2200 24002300 2500 2600 2700

REVERSE ISOLATION vs. FREQUENCY

MAX2644 toc07

FREQUENCY (MHz)

REVERSE ISOLATION (dB)

= +25°C

= +85°C

BIAS

= 1.2kΩ

= -40°C

0.5 2.0 2.51.0 1.5 3.0 3.5 4.0

SUPPLY CURRENT vs. R

BIAS

MAX2644 toc02

BIAS

(kΩ)

SUPPLY CURRENT (mA)

= +25°C

= +85°C

= -40°C

2.5 3.53.0 4.0 4.5 5.0 5.5

GAIN vs. SUPPLY VOLTAGE

MAX2644 toc03

SUPPLY VOLTAGE (V)

GAIN (dB)

= +25°C

BIAS

= 1.2kΩ

= +85°C

= -40°C

1 2 3 4 5 6 7 8

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