Typical operating characteristics (continued) – Rainbow Electronics MAX19995 User Manual

Page 23

Advertising
background image

MAX19995

Dual, SiGe, High-Linearity, 1700MHz to 2200MHz

Downconversion Mixer with LO Buffer/Switch

______________________________________________________________________________________

23

RF PORT RETURN LOSS

vs. RF FREQUENCY

MAX19995 toc126

RF FREQUENCY (MHz)

RF PORT RETURN LOSS (dB)

2300

1900

2100

30

40

20

10

0

50

1700

2500

P

LO

= -3dBm, 0dBm, +3dBm

f

IF

= 190MHz

V

CC

= 3.3V

IF PORT RETURN LOSS

vs. IF FREQUENCY

MAX19995 toc86

IF FREQUENCY (MHz)

IF PORT RETURN LOSS (dB)

410

140

230

320

15

10

5

0

20

50

500

f

LO

= 1610MHz

V

CC

= 3.0V, 3.3V, 3.6V

LO SELECTED RETURN LOSS

vs. LO FREQUENCY

MAX19995 toc128

LO FREQUENCY (MHz)

LO SELECTED RETURN LOSS (dB)

2200

1600

1800

2000

15

10

5

0

30

25

20

1400

2400

P

LO

= -3dBm

P

LO

= 0dBm

P

LO

= +3dBm

V

CC

= 3.3V

Typical Operating Characteristics (continued)

(

Typical Application Circuit, R1 = R4 = 909

Ω, R2 = R5 = 2.49kΩ, V

CC

= +3.3V, P

LO

= 0dBm, P

RF

= -5dBm, LO is low-side injected

for a 190MHz IF, T

C

= +25°C, unless otherwise noted.)

LO UNSELECTED RETURN LOSS

vs. LO FREQUENCY

MAX19995 toc129

LO FREQUENCY (MHz)

LO UN SELECTED RETURN LOSS (dB)

2200

2400

1600

1800

2000

15

10

5

0

30

25

20

1400

P

LO

= -3dBm, 0dBm, +3dBm

V

CC

= 3.3V

SUPPLY CURRENT

vs. TEMPERATURE (T

C

)

MAX19995 toc130

TEMPERATURE (

°

C)

SUPPLY CURRENT (mA)

65

85

-15

5

25

45

220

240

260

180

200

-35

V

CC

= 3.3V

V

CC

= 3.0V

V

CC

= 3.6V

Advertising