MH88435AD-P 查看數據表（PDF） - Mitel Networks

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产品描述 (功能)

生产厂家

MH88435AD-P

Data Access Arrangement

Mitel Networks 

Preliminary Information

= Ground (Earth)

11

13

15

3

LOOP

VR+

RS

LCD

TIP 28

4 VR-

5 VX

NB1 1

MH88435

21 SC

NB2 2

22 SC

360K 24 VLOOP2

RING 27

25 VLOOP1

VBIAS 10

LC RV AGND VCC ZA

1K

6 16 8 9 7

5V

4.7K

ILOOP

15K

10uF

5V

Figure 6 - Test Circuit 1

MH88435-P

-V

11

13

15

= Ground (Earth)

3

LOOP

VR+

RS

LCD

TIP 28

4 VR-

5 VX

NB1 1

MH88435

21 SC

NB2 2

22 SC

360K 24 VLOOP2

RING 27

25 VLOOP1

VBIAS 10

LC RV AGND VCC ZA

1K

6 16 8 9 7

5V

4.7K

15K

10uF

10H 500Ω

100uF

I=20mA

+

100uF

+

10H 500Ω

5V

Gain = [20 * Log (VX / Vs)] + 6.02 dB

Figure 7 - Test Circuit 2

Vs

Impedance = Zin

2-49

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