PBL3852 查看數據表（PDF） - Ericsson

零件编号

产品描述 (功能)

比赛名单

PBL3852

Universal Transmission Circuit

Ericsson  

PBL 3852

Mute

DC-control

6

13

5

1

+

12

+

Ref. DC

supply

DC

supply

PBL 3852

Ref.

18

9

8 11 3

2

7

10

15

17

+

16

14 4 +

(+Line)

DC1 DC2

Power

down

+

+

DTMF

+

(-Line)

Component list for application with line length regulation, 2x200Ω line feed.

R1 = -

R2 = -

R3 = 100Ω

R4 = 15k

R5 = 15k

R6 = DTMF level adj.

R7 = 47Ω

R8 = -

R9 = 620Ω

R10 = -

R11 = 3.9k

R12 = 130Ω

R13 = 2.4k

R14 = 24k

R15 = 18k

R16 = 180k

R17 = 13k

R18 = 62k

R19 = 910Ω

R20 = -

R21 = 62k

R22 = 68Ω

R23 = 17k

R24 = 200Ω

R25 = 200Ω

C1 = -

C2 = 47µF

C3 = 47µF

C4 = 220nF

C5 = -

C6 = 100nF

C7 = -

C8 = 47nF

C9 = 47µF

C10 = 15nF

C11 = -

C12 = 1µF

C13 = 1µF

Figure 33. Application with line length regulation, 2x200Ω line feed.

21

Share Link: