YTD426B 查看數據表（PDF） - Yamaha Corporation

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产品描述 (功能)

生产厂家

YTD426B

ISDN U Interface (TCM mode)

Yamaha Corporation 

Chapter 2

BLOCK DIAGRAM

2.1 YTD426B Internal Block Diagram

YTD426B internal block diagram is shown in Figure 2.1.

U ref. pa. driver

YTD427

T ref. pa.

TTL interface

T ref. pa. Tx/Rx

CT state

transition control

U ref. pa. Tx

I frame

assembly/disassembly

Burst frame

assembly/disassembly

AFE I/F

f equalizer

BT equalizer

Multiplexer

U ref. pa. Rx

Line Control (CT)

Decoder

LT state

transition control

PLL & clock

Bch I/F

Bch control

Bch Interface

Line Termination (LT)

PCM highway Controller

Figure 2.1: YTD426B Block Diagram

5

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