MAX2038CCQ-D(2009) 查看數據表（PDF） - Maxim Integrated

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MAX2038CCQ-D
(Rev.:2009)

Ultrasound VGA Integrated with CW Octal Mixer

Maxim Integrated 

Ultrasound VGA Integrated

with CW Octal Mixer

Typical Operating Characteristics (continued)

(Figure 7, VCC = VREF = 4.75V to 5.25V, VGND = 0, LOW_PWR = 0, M4_EN = 0, CW_FILTER = 1, TMODE = 0, PD = 0, CW_VG = 0,

CW_M1 = 0, CW_M2 = 0, CW mixer outputs pulled up to 11V through four separate ±0.1% 115Ω resistors, differential mixer inputs

are driven from a low-impedance source.

4

2

0

-2

-4

-6

-8

-10

-12

-14

0

CW FILTER RESPONSE

(CW_FILTER = 1)

2 4 6 8 10 12 14 16

FREQUENCY (MHz)

CW IMD3 vs. FREQUENCY

(MODE 1, VRF = 900mVP-P DIFF, VCC = VREF)

-46

-47

-48

-49

-50

-51

-52

-53

-54

0

2

4

6

FREQUENCY (MHz)

4.75

5.00

5.25

8

CW FILTER RESPONSE

(CW_FILTER = 0)

5

0

-5

-10

-15

-20

-25

-30

0 2 4 6 8 10 12 14 16

FREQUENCY (MHz)

INPUT-REFERRED NOISE vs. CLUTTER VOLTAGE

(MODE 4, F_CLUTTER = 1.25MHz AT 1kHz OFFSET)

14

12

10

8

6

4

2

0

0

0.5

1.0

1.5

2.0

CLUTTER VOLTAGE (VP-P DIFF)

10 ______________________________________________________________________________________

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