Modem DAA module

3 months ago 63
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
  • Comments

Description

This project will be temporarily released to the public. Other people can check for errors, including DRC, isolation, and layout suggestions.

There is a daughter board to search for:

  • Increased load while off-hook (911 detect)
  • Increased load while on-hook, and check line (Busy detect)
  • Line disconnected, and line reverse (in the form of forward/reverse current detection)

Documents

EMI Filter

DAA

PCB_2020-06-20_17-01-37

BOM

ID Name Designator Footprint Quantity
1 10.2 R1,R2,R7 R0805 3
2 4.7nF C1,C2 C0805 2
3 ITC137 U1 SOIC16-1.27-10.2X7.5MM 1
4 470nF C4 CAP-TH_L18.0-W6.5-P15.00-D1.2 1
5 Control J4 HDR-M-2.54_1X9 1
6 Expansion out J3 HDR-M-2.54_1X8 1
7 V150LA10A R3 RES-TH_L17.0-W5.6-P8.50-D0.9-S3.50 1
8 Ground J1 HDR-M-2.54_1X1 1
9 18v D1,D2 SMA_L4.3-W2.6-LS5.2-RD 2
10 10uF C3 CAP-SMD_L3.5-W2.8-R-RD 1
11 To hybrid J5 HDR-M-2.54_1X2 1
12 B65527B1008T001 X2 B65527B1008T001 1
13 51K R5 R0805 1
14 HDR-M-2.54_1x5 J2 HDR-M-2.54_1X5 1
15 8.2K R8 R0805 1
16 10k R9,R10 R0805 2
17 BS0060N-2C X1 DIO-DT-SMD_3P-L4.6-W3.6 1
18 120 R4 R1206 1
19 10uF C5 CAP-TH_BD4.0-P1.50-D0.8-FD 1
20 Ferrite L1,L2 L0805 2
21 Phone line RJ1 RJ11-TH_55A-1X1-6P2C-E-13H 1
22 25K R6 R0805 1

Attachments

None

Members

Success
The owner does not allow comments in this project now

Comments (0)

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你现在访问的是EasyEDA海外版,使用建立访问速度更快的国内版 https://lceda.cn(需要重新注册)
如果需要转移工程请在个人中心 - 工程 - 工程高级设置 - 下载工程,下载后在https://lceda.cn/editor 打开保存即可。
有问题联系QQ 3001956291 不再提醒
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