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MAX2031

High-Linearity, 650MHz to 1000MHz Upconversion/Downconversion Mixer with LO Buffer/Switch

Maxim Integrated 

High-Linearity, 650MHz to 1000MHz Upconversion/

Downconversion Mixer with LO Buffer/Switch

Typical Operating Characteristics (continued)

(Typical Application Circuit, optimized for the 700MHz band (see Table 1), C1 = 7pF, C5 = 3.3pF, L1 and C4 are not used, VCC =

5V, PLO = 0dBm, PRF = 0dBm, fLO > fRF, fIF = 140MHz, TC = +25°C, unless otherwise noted.)

Downconverter Curves

3LO-3RF RESPONSE

vs. RF FREQUENCY

3LO-3RF RESPONSE

vs. RF FREQUENCY

3LO-3RF RESPONSE

vs. RF FREQUENCY

90

90

TC = +25°C

PRF = 0dBm

PRF = 0dBm

90

VCC = 5.25V

PRF = 0dBm

80

80

TC = +85°C

70

TC = -40°C

70

PLO = -3dBm, 0dBm, +3dBm

60

650

700

750

800

850

RF FREQUENCY (MHz)

INPUT P1dB vs. RF FREQUENCY

30

29

TC = +25°C

28

27

TC = +85°C

26

25

650

-15

TC = -40°C

700

750

800

850

RF FREQUENCY (MHz)

LO LEAKAGE AT IF PORT

vs. LO FREQUENCY

60

650

700

750

800

850

RF FREQUENCY (MHz)

INPUT P1dB vs. RF FREQUENCY

30

PLO = +3dBm

29

28

PLO = 0dBm

27

26

PLO = -3dBm

25

650

700

750

800

850

RF FREQUENCY (MHz)

LO LEAKAGE AT IF PORT

vs. LO FREQUENCY

-15

80

VCC = 5.0V

70

VCC = 4.75V

60

650

700

750

800

850

RF FREQUENCY (MHz)

INPUT P1dB vs. RF FREQUENCY

30

VCC = 5.25V

VCC = 5.0V

29

28

27

VCC = 4.75V

26

25

650

700

750

800

850

RF FREQUENCY (MHz)

LO LEAKAGE AT IF PORT

vs. LO FREQUENCY

-15

TC = -40°C

-25

-25

PLO = +3dBm

-25

VCC = 5.25V

-35

TC = +25°C

TC = +85°C

-35

PLO = 0dBm

PLO = -3dBm

-45

790

840

890

940

990

LO FREQUENCY (MHz)

-45

790

840

890

940

990

LO FREQUENCY (MHz)

-35

-45

790

VCC = 4.75V

VCC = 5.0V

840

890

940

990

LO FREQUENCY (MHz)

10 ______________________________________________________________________________________

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