PBL38620/2SHT View Datasheet(PDF) - Ericsson

Part Name

Description

Manufacturer

PBL38620/2SHT

Subscriber Line Interface Circuit

Ericsson  

PBL 386 20/2

DC characteristics

A

B

C

D

E

VTR [V]

A: IL(@VTR=0V)=ILProg

B: Constant current

C:

ILConst(typ)

=

ILProg

=

103

RLC

-

4·10-3

VTR=|VBat|-VOH-50·ILProg

D: RFeed=2·25 Ω

E: VTROpen=|VBat|-VOH

Figure 13. Battery feed characteristics (without the protection resistors on the line).

PBL 386 20/2

VTX

DC-GND

RT

I

IRT

RSN

IRSN

IRRX

RRX

+1.25 V

IRR

RR

CODEC

_

+

UREFcodec

Figure 14. CODEC receive interface.

15

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