beautypg.com

Typical operating characteristics (continued) – Rainbow Electronics MAX2389 User Manual

Page 6

background image

MAX2387/MAX2388/MAX2389

W-CDMA LNA/Mixer ICs

6

_______________________________________________________________________________________

2

6

4

10

8

14

12

16

-40

10

-15

35

60

85

MAX2388

SUPPLY CURRENT vs. TEMPERATURE

MAX2387/88/89 toc10

TEMPERATURE (

°C)

SUPPLY CURRENT (mA)

V

CC

= +2.7V

HIGH-GAIN

V

CC

= +4.3V

HIGH-GAIN

V

CC

= +3.3V

HIGH-GAIN

V

CC

= +3.3V

LOW-GAIN

V

CC

= +2.7V

LOW-GAIN

V

CC

= +4.3V

LOW-GAIN

-5

0

10

5

15

20

-40

10

-15

35

60

85

MAX2387/88/89 toc11

TEMPERATURE (

°C)

GAIN (dB)

MAX2388

LNA GAIN vs. TEMPERATURE

HIGH-GAIN MODE

LOW-GAIN MODE

-10

-4

-6

-8

-2

0

2

4

6

8

10

-40

10

-15

35

60

85

MAX2387/88/89 toc12

TEMPERATURE (

°C)

IIP3 (dBm)

MAX2388

LNA IIP3 vs. TEMPERATURE

HIGH-GAIN MODE

LOW-GAIN MODE

0

4

2

8

6

10

12

-13

-11

-10

-12

-9

-8

-7

MAX2387/88/89 toc13

LO INPUT LEVEL (dBm)

CONVERSION GAIN (dB)

HIGH-GAIN MODE

LOW-GAIN MODE

MAX2388

MIXER CONVERSION GAIN

vs. LO INPUT POWER

-10

-5

0

5

10

15

20

25

30

-40

-15

10

35

60

85

MAX2388

MIXER IIP2 AND IIP3 vs. TEMPERATURE

MAX2387/88/89 toc14

TEMPERATURE (

°C)

IIP (dBm)

IIP2: HIGH-GAIN
MODE, DIFFERENTIAL LO

IIP2: HIGH-GAIN
MODE,
SINGLE-ENDED LO

IIP3: HIGH-GAIN
MODE

IIP3: LOW-GAIN
MODE

-16

-14

-10

-12

-8

-6

-40

10

-15

35

60

85

MAX2387/88/89 toc15

TEMPERATURE (

°C)

-1dB COMPRESSION POINT (dBm)

MAX2388

MIXER INPUT -1dB COMPRESSION POINT

vs. TEMPERATURE

0

5

10

15

20

25

30

35

40

2300

2320

2310

2330

2340

2350

2360

MAX2388

MIXER LO-IF AND LO-RF ISOLATION

vs. LO FREQUENCY

MAX2387/88/89 toc16

FREQUENCY (MHz)

ISOLATION (dB)

LO-RF: HIGH-GAIN
MODE

LO-RF: LOW-GAIN
MODE

LO-IF: LOW-GAIN
MODE

LO-IF: HIGH-GAIN
MODE

V

CC

= +2.7V

LO = -10dBm

0

2

6

4

8

10

2110

2130

2120

2140

2150

2160

2170

MAX2388

LNA NOISE FIGURE vs. FREQUENCY

MAX2387/88/89 toc17

FREQUENCY (MHz)

NOISE FIGURE (dB)

HIGH-GAIN MODE

LOW-GAIN MODE

8

7

6

5

4

-13

-10

-12

-11

-9

-8

-7

MAX2387/88/89 toc18

LO POWER (dB)

NOISE FIGURE (dB)

MAX2388

MIXER NOISE FIGURE vs. LO POWER

HIGH-GAIN MODE

LOW-GAIN MODE

Typical Operating Characteristics (continued)

(T

A

= +25

°C, V

CC

= +2.7V, unless otherwise noted.)