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MAX19997A

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

Maxim Integrated 

MAX19997A

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

Downconversion Mixer with LO Buffer

+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)

PARAMETER

Third-Order Input Intercept Point

SYMBOL

CONDITIONS

fRF1 - fRF2 = 1MHz, PRF = -5dBm per tone

(Notes 8, 9)

IIP3

fRF = 2600MHz, fRF1 - fRF2 = 1MHz,

PRF = -5dBm per tone, TC = +25°C

(Notes 8, 9)

MIN TYP MAX UNITS

21.6

23

dBm

22

23.8

dBm

Third-Order Input Intercept Point

Variation Over Temperature

Noise Figure

NFSSB

fRF1 - fRF2 = 1MHz, TC = -40°C to +85°C

Single sideband, no blockers present

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

Single sideband, no blockers present,

fRF = 2400MHz to 2900MHz, TC = +25°C

(Notes 6, 8)

±0.3

dBm

10.3 13.0

dB

10.3 11.3

Noise Figure Temperature

Coefficient

Noise Figure Under Blocking

Conditions

TCNF

NFB

Single sideband, no blockers present,

TC = -40°C to +85°C

fBLOCKER = 2793MHz, PBLOCKER = 8dBm,

fRF = 2600MHz, fLO = 2250MHz,

PLO = 0dBm, VCC = 5.0V, TC = +25°C

(Notes 6, 8, 12)

0.018

dB/°C

22

25

dB

2RF - 2LO Spur

3RF - 3LO Spur

RF Input Return Loss

LO Input Return Loss

fRF = 2600MHz, fLO = 2250MHz,

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

62

67

TC = +25°C (Note 8)

2x2

dBc

fRF = 2600MHz, fLO = 2250MHz,

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

57

62

TC = +25°C (Notes 8, 9)

fRF = 2600MHz, fLO = 2250MHz,

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

78

83

TC = +25°C (Note 8)

3x3

dBc

fRF = 2600MHz, fLO = 2250MHz,

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

68

73

TC = +25°C (Notes 8, 9)

LO on and IF terminated into a matched

impedance

16

dB

RF and IF terminated into a matched

impedance

11.5

dB

6

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