MAX19997AETX+T datasheet(6/35 Pages) MAXIM

Part #	MAX19997AETX+T

Description	Dual, SiGe High-Linearity, 1800MHz to 2900MHz Downconversion Mixer with LO Buffer

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Manufacturer	MAXIM [Maxim Integrated Products]

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Dual, SiGe High-Linearity, 1800MHz to 2900MHz

Downconversion Mixer with LO Buffer

6

_______________________________________________________________________________________

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Single sideband, no blockers present

fRF = 2400MHz to 2900MHz (Notes 6, 8)

10.3

13.0

Noise Figure

NFSSB

Single sideband, no blockers present,

fRF = 2400MHz to 2900MHz, TC = +25°C

(Notes 6, 8)

10.3

11.3

dB

Noise Figure Temperature

Coefficient

TCNF

Single sideband, no blockers present,

TC = -40°C to +85°C

0.018

dB/°C

Noise Figure Under Blocking

Conditions

NFB

fBLOCKER = 2793MHz, PBLOCKER = 8dBm,

fRF = 2600MHz, fLO = 2250MHz,

PLO = 0dBm, Vcc = +5.0V, TC = +25°C

(Notes 6, 8, 12)

22

25

dB

fRF = 2600MHz, fLO = 2250MHz,

PRF = -10dBm, fSPUR = fLO + 175MHz,

TC = +25°C (Note 8)

62

67

2RF-2LO Spur

2 x 2

fRF = 2600MHz, fLO = 2250MHz,

PRF = -5dBm, fSPUR = fLO + 175MHz,

TC = +25°C (Notes 8, 9)

57

62

dBc

fRF = 2600MHz, fLO = 2250MHz,

PRF = -10dBm, fSPUR = fLO + 116.67MHz,

TC = +25°C (Note 8)

78

83

3RF-3LO Spur

3 x 3

fRF = 2600MHz, fLO = 2250MHz,

PRF = -5dBm, fSPUR = fLO + 116.67MHz,

TC = +25°C (Notes 8, 9)

68

73

dBc

RF Input Return Loss

LO on and IF terminated into a matched

impedance

16

dB

LO Input Return Loss

RF and IF terminated into a matched

impedance

11.5

dB

IF Output Impedance

ZIF

Nominal differential impedance at the IC’s

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

20

dB

+5.0V SUPPLY, LOW-SIDE LO INJECTION AC ELECTRICAL CHARACTERISTICS

(continued)

(

Typical Application Circuit optimized for the standard RF band (see Table 1), VCC = +4.75V to +5.25V, RF and LO ports are driven

from 50Ω sources, PLO = -3dBm to +3dBm, PRF = -5dBm, fRF = 2300MHz to 2900MHz, fLO = 1950MHz to 2550MHz, fIF = 350MHz,

fRF > fLO, TC = -40°C to +85°C. Typical values are at VCC = +5.0V, PRF = -5dBm, PLO = 0dBm, fRF = 2600MHz, fLO = 2250MHz,

fIF = 350MHz, TC = +25°C, unless otherwise noted.) (Note 7)

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