MTH88437AD-P 데이터 시트보기 (PDF) - Mitel Networks

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MTH88437AD-P

Data Access Arrangement

Mitel Networks 

Advance Information

MH88437-P

11

13

15

3 LOOP

RS

VR+

LCD

TIP 28

ILOOP

4 VR-

NB1 1

5 VX

DUT

16K

21 VLOOP5

NB2 2

22

VLOOP4

23

VLOOP3

82K 24 VLOOP2

RING 27

25 VLOOP1

VBIAS 10

LC RV AGND VCC ZA

+ 10uF

1K

6 16 8 9 7

5V

4.7K

5V

Figure 6 - Test Circuit 1

= Ground (Earth)

-V

11

13

15

3

LOOP

VR+

RS

LCD

TIP 28

4 VR-

NB1 1

5 VX

DUT

16K

21 VLOOP5

NB2 2

22 VLOOP4

23

VLOOP3

82K 24 VLOOP2

RING 27

25 VLOOP1

VBIAS 10

LC RV AGND VCC ZA

+ 10uF

1K

6 16 8 9 7

5V

4.7K

10H 500Ω

100uF

I=20mA

+

100uF

+

10H 500Ω

5V

Gain = 20 * Log (VX / Vs)

Figure 7 - Test Circuit 2

Vs

Impedance = Zin

= Ground (Earth)

11

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