MAX3787 データシートの表示（PDF） - Maxim Integrated

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MAX3787

1Gbps to 12.5Gbps Passive Equalizer for Backplanes and Cables

Maxim Integrated 

1Gbps to 12.5Gbps

Passive Equalizer for Backplanes and Cables

FREQUENCY

100MHz

200MHz

300MHz

500MHz

1.0GHz

2.0GHz

3.0GHz

4.0GHz

5.0GHz

5.5GHz

6.0GHz

6.5GHz

7.0GHz

7.5GHz

8.0GHz

8.5GHz

9.0GHz

9.5GHz

10.0GHz

MIN

(dB)

-8.2

-7.9

-7.5

-6.8

-5.5

-4.2

-3.1

-2.3

-2.1

-2.4

-2.9

—

—

—

—

—

—

—

—

Figure 3. Through Response Limits

TYP

(dB)

-7.4

-7.0

-6.6

-6.0

-4.8

-3.2

-2.2

-1.5

-1.3

-1.6

-2.1

-2.6

-3.1

-3.6

-4.1

-4.7

-5.5

-7.0

-9.0

MAX

(dB)

-6.8

-6.4

-6.0

-5.3

-4.2

-2.5

-1.5

-0.8

-0.5

-0.6

-1.1

—

—

—

—

—

—

—

—

THROUGH-RESPONSE LIMITS

(RELATIVE TO IDEAL LOAD)

0

-1

-2

-3

MAX

-4

-5

TYP

-6

-7

MIN

-8

-9

0 1 2 3 4 5 6 7 8 9 10

FREQUENCY (GHz)

Table 1. PCB Assumptions (Board Material is FR4)

PARAMETER

Transmission Line

Relative Permittivity at 1GHz

Loss Tangent

Metal Thickness

Impedance

CONDITIONS

Edge-coupled microstrip line

FR4 or similar

FR4 or similar

1oz copper

Differential

MIN TYP MAX UNITS

6

mil

4.0

—

0.02

—

1.4

mil

90

100

110

Ω

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