Rainbow-electronics MAX2389 Bedienungsanleitung PDF herunterladen (Seite 3)

MAX2387/MAX2388/MAX2389

W-CDMA LNA/Mixer ICs

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PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

Noise Figure (Notes 1, 3) NF

LNA

= +25°C 1.7 2.2 dB

-Order Input Intercept Point

(Note 4)

IIP3

LNA

= -40°C to +85°C (Note 2) 4.2 dBm

Input -1dB Compression Point

(Note 1)

-1dB

-19 -13 dBm

LNA PERFORMANCE: LOW-GAIN MODE (GAIN = LOW)

MAX2387 -18.5 -16.5 -14.5

= +25°C

MAX2388/

MAX2389

-4.7 -2.8 -0.9

MAX2387 -10.5 -14

Gain G

LNA

= -40°C to +85°C

(Note 2)

MAX2388/

MAX2389

5.4 -0.7

MAX2387 19.2 21.3

Noise Figure (Notes 1, 3) NF

LNA

MAX2388/

MAX2389

6.5 8.4

MAX2387 1

-Order Input Intercept Point

(Note 5)

IIP3

LNA

MAX2388/

MAX2389

3.4

dBm

MAX2387 -9.9

Input -1dB Compression Point IP

-1dB

MAX2388/

MAX2389

-7.7

dBm

MIXER PERFORMANCE (GAIN = HIGH)

RF Frequency Range (Note 1) f

2110 2170 MHz

LO Frequency Range (Note 1) f

2250 2600 MHz

IF Frequency Range (Note 1) f

150 400 MHz

= +25°C 8.5 10 11.5

Power Conversion Gain G

MXR

= -40°C to +85°C (Note 2) 7.5 12.5

MAX2387 7.2 8.8

MAX2388 6.8 8.2Noise Figure (SSB) (Note 1) NF

MXR

= +25°C

MAX2389 7.3 9.5

AC ELECTRICAL CHARACTERISTICS (continued)

(MAX238_ EV kit, V

= 2.7V, SHDN = high, f

RF_IN

= f

LNA_IN

= 2140MHz, f

= 2330MHz (f

= 190MHz). Mixer, LNA, and LO input

ports are driven with 50Ω sources. R

BIAS

= 24kΩ ±1%, P

= -10dBm (MAX2387/MAX2388), P

= -4dBm (MAX2389), P

-30dBm. Typical values are at V

= +2.7V, T

= +25°C, unless otherwise noted.)

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