MAX2021 datasheet(7/15 Pages) MAXIM

7 / 15 page

700MHz to 1200MHz High-Linearity,

SPI-Controlled DVGA with Integrated Loopback Mixer

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REVERSE GAIN vs. RF FREQUENCY

ADJUSTING ATTEN A AND B

RF FREQUENCY (MHz)

700

800

900

1000

1100

1200

-80

-70

-60

-50

-40

-30

ATTEN A AND B, 0dB

ATTEN A, 31dB

ATTEN B, 31dB

MIXER CONV LOSS vs. RF FREQUENCY

RF FREQUENCY (MHz)

800

850

900

950

1000

TC = +5

°C

TC = -40

°C

TC = +85

°C

TC = +25

°C

MIXER CONV LOSS vs. RF FREQUENCY

RF FREQUENCY (MHz)

800

850

900

950

1000

VCC = 5.0V

VCC = 4.75V

VCC = 5.25V

MIXER CONV LOSS vs. RF FREQUENCY

RF FREQUENCY (MHz)

800

850

900

950

1000

PLO = 0dBm

PLO = -3dBm

PLO = -6dBm

MIXER OUTPUT IP3 vs. RF FREQUENCY

RF FREQUENCY (MHz)

800

850

900

950

1000

TC = +85

°C

TC = +5

°C

TC = +25

°C

TC = -40

°C

MIXER OUTPUT IP3 vs. RF FREQUENCY

RF FREQUENCY (MHz)

800

850

900

950

1000

VCC = 4.75V

VCC = 5.0V

VCC = 5.25V

MIXER OUTPUT IP3 vs. RF FREQUENCY

RF FREQUENCY (MHz)

800

850

900

950

1000

PLO = -6dBm

PLO = 0dBm

PLO = -3dBm, 0dBm

MIXER OUTPUT RETURN LOSS

vs. RF FREQUENCY (MIXER ENABLED)

RF FREQUENCY (MHz)

700

800

900

1000

1100

1200

TC = +85

°C

TC = +25

°C

TC = +5

°C

TC = -40

°C

MIXER OUTPUT RETURN LOSS

vs. RF FREQUENCY (MIXER ENABLED)

RF FREQUENCY (MHz)

700

800

900

1000

1100

1200

VCC = 4.75V, 5.0V, 5.25V

Typical Operating Characteristics (continued)

(MAX2058

Typical Application Circuit, VCC = +4.75V to +5.25V, digital attenuators set for maximum gain, 700MHz ≤ fRF ≤ 1200MHz,

40MHz ≤ fLO ≤ 100MHz, TC = -40°C to +85°C. Typical values are at VCC = 5.0V, PIN = 0dBm, fRF = 940MHz, fLO = 45MHz, fLBOUT =

fRF - fLO, and TC = +25°C, unless otherwise noted.)

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