MAX2021 datasheet(6/15 Pages) MAXIM

6 / 15 page

700MHz to 1200MHz High-Linearity,

SPI-Controlled DVGA with Integrated Loopback Mixer

_______________________________________________________________________________________

OUTPUT IP3 vs. RF FREQUENCY

RF FREQUENCY (MHz)

800

850

900

950

1000

VCC = 5.0V

VCC = 4.75V

VCC = 5.25V

NOISE FIGURE vs. RF FREQUENCY

RF FREQUENCY (MHz)

700

800

900

1000

1100

1200

TC = +85

°C

TC = +5

°C

TC = +25

°C

TC = -40

°C

NOISE FIGURE vs. RF FREQUENCY

RF FREQUENCY (MHz)

700

800

900

1000

1100

1200

VCC = 4.75V

VCC = 5.0V

VCC = 5.25V

OUTPUT P1dB vs. RF FREQUENCY

RF FREQUENCY (MHz)

700

800

900

1000

1100

1200

TC = +85

°C

TC = +25

°C

TC = +5

°C

TC = -40

°C

OUTPUT P1dB vs. RF FREQUENCY

RF FREQUENCY (MHz)

700

800

900

1000

1100

1200

VCC = 4.75V

VCC = 5.0V

VCC = 5.25V

INPUT RETURN LOSS vs. RF FREQUENCY

ATTEN A VARIED

RF FREQUENCY (MHz)

700

800

900

1000

1100

1200

8dB

0dB

2dB

4dB

1dB

16dB, 31dB

INPUT RETURN LOSS vs. RF FREQUENCY

ATTEN B VARIED

RF FREQUENCY (MHz)

700

800

900

1000

1100

1200

31dB

0dB, 1dB

OUTPUT RETURN LOSS vs. RF FREQUENCY

ATTEN A VARIED

RF FREQUENCY (MHz)

700

800

900

1000

1100

1200

0dB

31dB

OUTPUT RETURN LOSS vs. RF FREQUENCY

ATTEN B VARIED

RF FREQUENCY (MHz)

700

800

900

1000

1100

1200

1dB

0dB

8dB

16dB, 31dB

4dB

2dB

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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