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MAX19996AETPT

SiGe, High-Linearity, 2000MHz to 3900MHz Downconversion Mixer with LO Buffer

Maxim Integrated 

SiGe, High-Linearity, 2000MHz to 3900MHz

Downconversion Mixer with LO Buffer

3.3V SUPPLY AC ELECTRICAL CHARACTERISTICS—fRF = 2300MHz TO 2900MHz,

HIGH-SIDE LO INJECTION

(Typical Application Circuit with tuning elements outlined in Table 1, RF and LO ports are driven from 50Ω sources. Typical values

are for TC = +25°C, VCC = 3.3V, PLO = 0dBm, fRF = 2600MHz, fLO = 2900MHz, fIF = 300MHz, unless otherwise noted.) (Note 6)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

Small-Signal Conversion Gain

GC

8.3

dB

Gain Variation vs. Frequency

ΔGC

fRF = 2300MHz to 2900MHz, any 100MHz

band

0.15

dB

Conversion Gain Temperature

Coefficient

Single Sideband Noise Figure

Noise Figure Temperature

Coefficient

Input 1dB Compression Point

Third-Order Input Intercept Point

IIP3 Variation with TC

2LO-2RF Spur Rejection

3LO-3RF Spur Rejection

RF Input Return Loss

TCCG

NFSSB

TCNF

IP1dB

IIP3

2x2

3x3

RLRF

TC = -40°C to +85°C

No blockers present

Single sideband, no blockers present,

TC = -40°C to +85°C

(Note 9)

fRF1 = 2600MHz, fRF2 = 2601MHz,

PRF1 = PRF2 = -5dBm

fRF1 = 2600MHz, fRF2 = 2601MHz,

PRF1 = PRF2 = -5dBm,

TC = -40°C to +85°C

fSPUR = fLO - 150MHz

PRF = -10dBm

PRF = -5dBm

fSPUR = fLO - 100MHz

PRF = -10dBm

PRF = -5dBm

LO on and IF terminated into a matched

impedance

-0.012

9.6

0.018

7.75

19.7

±0.5

64

59

74

64

17.5

dB/°C

dB

dB/°C

dBm

dBm

dB

dBc

dBc

dB

LO Input Return Loss

RLLO

RF and IF terminated into a matched

impedance

19.5

dB

IF Output Impedance

ZIF

Nominal differential impedance at the IC’s

IF outputs

200

Ω

IF Output Return Loss

RF terminated into 50Ω, LO fIF = 450MHz,

driven by 50Ω source, IF L1 = L2 =

25

transformed to 50Ω using 120nH

RLIF

external components

shown in the Typical

Application Circuit; see the

fIF = 350MHz,

L1 = L2 =

270nH

25

dB

Typical Operating

Characteristics for

fIF = 300MHz,

performance vs. inductor L1 = L2 =

25

values

390nH

RF-to-IF Isolation

LO Leakage at RF Port

2LO Leakage at RF Port

LO Leakage at IF Port

fRF = 2300MHz to 2900MHz, PLO = +3dBm

38

fLO = 2600MHz to 3200MHz, PLO = +3dBm

-30

fLO = 2600MHz to 3200MHz, PLO = +3dBm

-31

fLO = 2600MHz to 3200MHz, PLO = +3dBm

-34

dB

dBm

dBm

dBm

_______________________________________________________________________________________ 5

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