Rainbow Electronics MAX19995А User Manual

Page 4

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MAX19995A

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

Downconversion Mixer with LO Buffer/Switch

4

_______________________________________________________________________________________

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Noise Figure with Blocker

NF

B

P

BLOCKER

= +8dBm, f

RF

= 1850MHz,

f

LO

= 2200MHz, f

BLOCKER

= 1725MHz,

P

LO

= 0dBm, V

CC

= 5.0V, T

C

= +25°C

(Notes 10, 11)

19.7

23.4

dB

P

RF

= -10dBm

54

64

f

RF

= 1850MHz,

f

LO

= 2200MHz,

f

SPUR

= 2025MHz

P

RF

= -5dBm

49

59

P

RF

= -10dBm

57

64

2LO-2RF Spur Rejection
(Note 10)

2 x 2

f

RF

= 1850MHz,

f

LO

= 2200MHz,

f

SPUR

= 2025MHz,

P

LO

= 0dBm, V

CC

= 5.0V,

T

C

= +25°C

P

RF

= -5dBm

52

59

dBc

P

RF

= -10dBm

70

80

f

RF

= 1850MHz,

f

LO

= 2200MHz,

f

SPUR

= 2083.33MHz

P

RF

= -5dBm

60

70

P

RF

= -10dBm

71

80

3LO-3RF Spur Rejection
(Note 10)

3 x 3

f

RF

= 1850MHz,

f

LO

= 2200MHz,

f

SPUR

= 2083.33MHz,

P

LO

= 0dBm, V

CC

= 5.0V,

T

C

= +25°C

P

RF

= -5dBm

61

70

dBc

RF Input Return Loss

LO and IF terminated into matched
impedance, LO on

21

dB

LO port selected, RF and IF terminated into
matched impedance

20

LO Input Return Loss

LO port unselected, RF and IF terminated
into matched impedance

22

dB

IF Output Impedance

Z

IF

Nominal differential impedance of the IF
outputs

200

Ω

IF Output Return Loss

RF terminated into 50

Ω, LO driven by 50Ω

source, IF transformed to 50

Ω using

external components shown in the Typical
Application Circuit

11.5

dB

RF-to-IF Isolation

(Note 8)

31

35

dB

LO Leakage at RF Port

(Note 8)

-35

-25

dBm

2LO Leakage at RF Port

(Note 8)

-17.5

-14

dBm

LO Leakage at IF Port

(Note 8)

-32

-22

dBm

5.0V SUPPLY AC ELECTRICAL CHARACTERISTICS (continued)

(

Typical Application Circuit, R1 = R4 = 681Ω, R2 = R5 = 1.5kΩ, V

CC

= 4.75V to 5.25V, RF and LO ports are driven from 50Ω sources,

P

LO

= -3dBm to +3dBm, P

RF

= -5dBm, f

RF

= 1700MHz to 2000MHz, f

LO

= 2050MHz to 2350MHz, f

IF

= 350MHz, f

RF

< f

LO

, T

C

= -40°C

to +85°C. Typical values are at V

CC

= 5.0V, P

RF

= -5dBm, P

LO

= 0dBm, f

RF

= 1850MHz, f

LO

= 2200MHz, f

IF

= 350MHz, T

C

= +25°C.

All parameters are guaranteed by design and characterization, unless otherwise noted.) (Note 6)

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