MAX2684(2000) Ver la hoja de datos (PDF) - Maxim Integrated

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MAX2684
(Rev.:2000)

3.5GHz Downconverter Mixers with Selectable LO Doubler

Maxim Integrated 

3.5GHz Downconverter Mixers

with Selectable LO Doubler

Typical Operating Characteristics (continued)

(MAX2683/MAX2684 EV kit, VCC = +5V, RBIAS = 1.2kΩ, ENX2 = GND, fRF = 3.6GHz, PRF = -20dBm, fLOX2 = 1650MHz for MAX2683 or

fLOX2 = 1350MHz for MAX2684, PLO = -5dBm, all input/output ports terminated in 50Ω, IFOUT+ and IFOUT- matched to single-ended

50Ω load, TA = +25°C, unless otherwise noted.)

MAX2684

CONVERSION GAIN vs. RF FREQUENCY

(ENX2 = GND)

5

4

3

2

TA = -40°C

TA = +25°C

1

0

-1

-2

TA = +85°C

-3

-4

-5

3400 3450 3500 3550 3600 3650 3700 3750 3800

RF FREQUENCY (MHz)

CONVERSION GAIN vs. RF FREQUENCY

(ENX2 = VCC)

5

4

3

TA = -40°C

2

TA = +25°C

1

0

-1

TA = +85°C

-2

-3

-4

-5

3400 3450 3500 3550 3600 3650 3700 3750 3800

RF FREQUENCY (MHz)

CONVERSION GAIN vs. IF FREQUENCY

(ENX2 = GND)

5

4

3

2 TA = -40°C

TA = +25°C

1

0

-1

TA = +85°C

-2

-3

-4

-5

860 880 900 920 940 960

IF FREQUENCY (MHz)

CONVERSION GAIN vs. IF FREQUENCY

(ENX2 = VCC)

5

4

3 TA = -40°C

TA = +25°C

2

1

0

TA = +85°C

-1

-2

-3

-4

-5

860 880 900 920 940 960

IF FREQUENCY (MHz)

LOX2 PORT RETURN LOSS

vs. LO FREQUENCY

0

-10

-20

-30

-40

-50

1200 1250 1300 1350 1400 1450

LO FREQUENCY (MHz)

LOX1 PORT RETURN LOSS

vs. LO FREQUENCY

0

-10

-20

-30

-40

-50

2400 2500 2600 2700 2800 2900

LO FREQUENCY (MHz)

LOX1 S11 vs. RBIAS

(ENX2 = VCC)

LOX2 S11 vs. RBIAS

(ENX2 = GND)

1.2kΩ, 2kΩ,

820Ω

1.2kΩ,

2kΩ, 820Ω

10 ______________________________________________________________________________________

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