Rainbow Electronics MAX19995 User Manual

Page 4

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MAX19995

Dual, SiGe, High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch

4

_______________________________________________________________________________________

+5.0V SUPPLY AC ELECTRICAL CHARACTERISTICS (continued)

(

Typical Application Circuit optimized for the DCS/PCS band, R1 = R4 = 806

Ω, R2 = R5 = 2.32kΩ, V

CC

= +4.75V to +5.25V, RF and

LO ports are driven from 50

Ω sources, P

LO

= -3dBm to +3dBm, PRF = -5dBm, f

RF

= 1700MHz to 2000MHz, f

LO

= 1510MHz to

1810MHz, f

IF

= 190MHz, 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,

fRF = 1800MHz, f

LO

= 1610MHz, f

IF

= 190MHz, T

C

= +25°C, unless otherwise noted.) (Note 6)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

f

RF1

- f

RF2

= 1MHz, P

RF

= -5dBm per tone,

f

RF

= 2000MHz for min value

20.5

23.7

f

IF

= 190MHz, f

LO

= 1810MHz, f

RF

=

2000MHz for min value, f

RF1

- f

RF2

= 1MHz,

P

RF

= -5dBm per tone, T

C

= +25°C to

+85°C

21.5

23.7

Input Intercept Point

IIP3

Typical Application Circuit optimized for
UMTS band (R1 = R4 = 681

Ω, R2 = R5 =

1.5k

Ω), f

LO

= 1760MHz, f

IF

= 190MHz,

f

RF

= 1950MHz, f

RF1

- f

RF2

= 1MHz,

P

RF

= -5dBm per tone

24.8

dBm

Input Intercept Variation Over
Temperature

TC

IIP3

f

RF1

- f

RF2

= 1MHz, P

RF

= -5dBm per tone,

T

C

= -40°C to +85°C

0.0035

dBm/°C

Single sideband, no blockers present
(Note 8)

9

11

f

LO

= 1610MHz, f

IF

= 190MHz,

f

RF

= 1800MHz, T

C

= +25°C, P

LO

= 0dBm,

single sideband, no blockers present
(Note 8)

9

9.6

Noise Figure

NF

SSB

Typical Application Circuit optimized for
UMTS band (R1 = R4 = 681

Ω , R2 = R5 =

1.5k

Ω), f

IF

= 190MHz, f

LO

= 1760MHz,

f

RF

= 1950MHz, single sideband, no

blockers present

9.3

dB

Noise Figure Temperature
Coefficient

TC

NF

Single sideband, no blockers present,
T

C

= -40°C to +85°C

0.016

dB/°C

Noise Figure with Blocker

NF

B

f

BLOCKER

= 1900MHz, P

BLOCKER

=

+8dBm, f

RF

= 1800MHz, f

LO

= 1610MHz,

P

LO

= 0dBm, V

CC

= +5.0V, T

C

= +25°C

(Notes 8, 9)

19

20.5

dB

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