Rainbow-electronics MAX2374 Manual do Utilizador descarregar pdf (Página 3)

= -40°C to +85°C

MAX2374

SiGe, Variable IIP3, Low-Noise Amplifier

in UCSP Package

_______________________________________________________________________________________ 3

AC ELECTRICAL CHARACTERISTICS (continued)

(Typical Application Circuit, V

= +2.7V to +5.5V, P

LNAIN

= -30dBm, V

GAIN

= high, f

LNAIN

= 881MHz, R

BIAS

= 18kΩ, T

= +25°C.

Typical values are at V

= +2.75V, unless otherwise noted.) (Note 2)

= 2.75V

CONDITIONS

dB1.5 1.7Noise Figure

12.5 17

Gain

13.8 15 15.6

UNITSMIN TYP MAXPARAMETER

Note 1: Production tested at T

= +25°C. Maximum and minimum limits are guaranteed by design and characterization.

Note 2: Guaranteed by design and characterization.

Note 3: Operation over this frequency range is possible with a matching network tuned to the desired operating frequency.

Note 4: Measured with two-tone test with P

LNAIN

= -25dBm per tone, f1 = 881MHz, f2 = 881.9MHz.

0.4 1.2 2

Gain T

= -40°C to +85°C

-1 3.5

Noise Figure 3 3.5 dB

= +25°C

= -40°C to +85°C

7.2

4.5 6.2

MAX2374 dBm

4.2

Input Third-Order Intercept Point (Note 4)

BIAS

= 10kΩ

BIAS

= 20kΩ

BIAS

= 43kΩ

10.5

5.8 7.2

Input Third-Order Intercept Point (Note 4) MAX2374

dBm

HIGH-GAIN MODE (GAIN = V

)

LOW-GAIN MODE (GAIN = GND)

BIAS

= 10kΩ

BIAS

= 20kΩ

BIAS

= 43kΩ

2.5 4.03.0 3.5 4.5 5.0 5.5

vs. V

AND TEMPERATURE

MAX2374-01

(V)

(mA)

= -40°C

= +25°C

= +85°C

= +25°C

= -40°C

GAIN = V

GAIN = GND

BIAS

= 20kΩ

-30

-20

-10

750 850800 900 950 1000

MAX2374-03

FREQUENCY (MHz)

MAGNITUDE (dB)

S21, S11, S22, S12 vs. FREQUENCY

S21

S11

S22

S12

= GAIN = 2.75V

-20

-15

-5

-10

750 850800 900 950 1000

S21, S11, S22, S12 vs. FREQUENCY

MAX2374-04

FREQUENCY (MHz)

MAGNITUDE (dB)

S21

S12

S11

S22

= 2.75V

GAIN = GND

= -40°C to +85°C

Typical Operating Characteristics

(Typical Application Circuit, V

= +2.7V to +5.5V, P

LNAIN

= -30dBm, f

LNAIN

= 881MHz, R

BIAS

= 20kΩ, T

= +25°C, unless other-

wise noted.)

1 2 3 4 5 6 7 8

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