License

Public Domain

Recommend Projects

Relay stepped attenuator

8 months ago 109
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
  • Comments

Description

http://www.vaneijndhoven.net/jos/attenuator-calculator/index.html resistor: 39k 0.5db steps 8 stages e24 values

For use in Hammond Case 1455K1201BK

Documents

Sheet_1

Relay-Stepped Attenuator PCBv1.0

BOM

ID Name Designator Footprint Quantity Manufacturer Part Manufacturer Supplier Supplier Part Price LCSC Assembly Mounted BOM_Manufacturer Part BOM_Supplier BOM_Supplier Part BOM_Manufacturer
1 180E R1,R19 1206 2
2 360E R2,R20 1206 2
3 680E R3,R21 1206 2
4 1k2 R4,R22 1206 2
5 2k2 R5,R23 1206 2
6 3k6 R6,R24 1206 2
7 5k1 R7,R25 1206 2
8 6k2 R8,R17,R26,R35 1206 4
9 220k R9,R27 1206 2
10 100k R10,R28 1206 2
11 51k R11,R29 1206 2
12 24k R12,R30 1206 2
13 10k R13,R31 1206 2
14 3k9 R14,R32 1206 2
15 1k1 R15,R33 1206 2
16 160E R16,R34 1206 2
17 NAIS DS2Y K8,K1,K2,K3,K4,K5,K6,K7,K9,K10,K11 RELAY-OMRON_G5V2 11 JQX-115F/024-2ZS4(551) LCSC C329301 Xiamen Hongfa Electroacoustic
18 arduino_nano_v3_Saxar U2 ARDUINO_NANO1 1 arduino_nano1
19 100 R49 CONTELEC PD212 POT 1 3386P-1-101LF LCSC C125022 Bochen
20 10n C1 0805 1
21 100n C2,C4 0805 2
22 CBP2 P1 2CHINCH 1 Header-Female-2.54_1x3 LCSC C146243 Boom Precision Elec
23 ULN2803G-D18-T U4 DIP-18 1 ULN2803G-D18-T LCSC C75528 UTC
24 VC 5,0/2/9 T1 PRINT-TRAFO 1
25 DB104S D9 BRIDGE-DBS 1 DB104S LCSC C38024 MDD
26 1u C6,C7,C8 CAP-D6.3XF2.5 3
27 1N4148W D10,D11,D1,D2,D3,D4,D5,D6,D7,D8 SOD-123 10 1N4148W LCSC C81598 SEMTECH
28 LED-3MM LED1 LED-3MM/2.54 1 204-10SURD/S530-A3 LCSC C99772 EVERLIGHT
29 220 R41 1206 1
30 75E R18,R38 1206 2
31 2M7 R36,R37,R39,R40,R42,R43,R44,R45,R46,R47,R48,R50 1206 12
32 CBP4 P5 4CHINCH 1 2X3 2.54mm IDC Box LCSC C11214 BOOMELE
33 EVQ22705R SW1,SW2 KEY-6.0*6.0-4 2 EVQ22705R LCSC C79156 PANASONIC
34 Header-Male-2.54_2x2 P2 HDR-2X2/2.54 1 Double Rows2.54mm2*2pHeaders  Pins LCSC C66690 BOOMELE
35 Header-Male-2.54_1x1 P3,P4 HDR-1X1/2.54 2 Header-Male-2.54_1x1 LCSC C81276 ReliaPro
36 -CON4 OLED CON4 1
37 JUMPER JP1 JUMPER2 1
38 NE5532DR U1 SOIC-8_150MIL 1 NE5532DR LCSC C7426 TI

Attachments

None
Success
The owner does not allow comments in this project now

Comments (0)

goToTop
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
svg-battery svg-battery-wifi svg-books svg-more svg-paste svg-pencil svg-plant svg-ruler svg-share svg-user svg-logo-cn svg-double-arrow
We use cookies to offer you a better experience. Detailed information on the use of cookies on this website is provided in our Privacy Policy. By using this site, you consent to the use of our cookies.