参数资料
型号: PM4314-RI
厂商: PMC-SIERRA INC
元件分类: 数字传输电路
英文描述: QUAD T1/E1 LINE INTERFACE DEVICE
中文描述: DATACOM, PCM TRANSCEIVER, PQFP128
封装: PLASTIC, QFP-128
文件页数: 45/170页
文件大小: 823K
代理商: PM4314-RI
PM4314 QDSX
DATA SHEET
PMC-950857
ISSUE 5
QUAD T1/E1 LINE INTERFACE DEVICE
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
33
Figure 6
- External Analog Receive Interface Circuit
T
R
1:N
316 k
±1%
47 nF
±10%
RXTIP
RXRING
V
RAVS
RAVD
RC
0.1 μF
± 10%
R2
R1
DD
2. Some transformer manufacturers produce a dual part containing both the 1:2 & 1:1.36
transformers required for the receive and transmit interfaces, respectively.
1. All capacitors ceramic
Notes:
The transformer used should be designed for use in T1/CEPT/ISDN-PRI
applications. Many manufacturers have standard products for these applications.
Typical characteristics of a suitable transformer are given in the following table.
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