82N2K-E12-E15/E15,82N2K-E12-E15/E15 pdf中文资料,82N2K-E12-E15/E15引脚图,82N2K-E12-E15/E15电路-Datasheet-电子工程世界

文档预览

VE S CO

AV R M

AI SIO PL

LA N IA

BL S NT

Features

■

Metal shaft and bushing

■

Consistent, smooth quality feel

■

Up to 4 sections available

■

Rotary switch option designed

Non-RoHS models are currently

available, but not recommended

for new designs. See

Product

Obsolescence Memo

for details.

for “on-off” function control

■

RoHS compliant versions available*

81/82 - 5/8 ” Square Single-Turn Panel Control

85/86 - 5/8 ” Square Single-Turn Panel Control with Rotary Switch

Potentiometer Speciﬁcations

Initial Electrical Characteristics

Conductive Plastic Element

Cermet Element

Standard Resistance Range

Linear Tapers (A, B, E, & H) ..................................................................(B & E) 1 K ohms to 1 megohm ............. (A & H) 100 ohms to 1 megohm

Audio Tapers (C, D, F, G, S, & T) .........................................................(D, G, S, & T) 1 K ohms to 1 megohm ... (C & F) 1 K ohms to 1 megohm

Total Resistance Tolerance .........................................................................±20 % or 10 % ...................................... ±10 % or 5 %

Independent Linearity .................................................................................±5 % ...................................................... ±5 %

Absolute Minimum Resistance ...................................................................2 ohms maximum .................................. 2 ohms maximum

Effective Electrical Angle ............................................................................(Linear tapers) 240 ° ± 5 °...................... (Linear tapers) 240 ° ± 6 °

(Audio tapers) 225 ° ± 5 ° ...................... (Audio tapers) 225 ° ± 6 °

Contact Resistance Variation .....................................................................±1 % ...................................................... ±1 % or 3 ohms (whichever is greater)

Dielectric Withstanding Voltage (MIL-STD-202, Method 301)

Sea Level ..............................................................................................1,500 VAC minimum .............................. 1,500 VAC minimum

70,000 Feet ..........................................................................................500 VAC minimum ................................. 500 VAC minimum

Insulation Resistance (500 VDC) ................................................................1,000 megohms minimum ..................... 1,000 megohms minimum

Power Rating At 70 °C (Voltage Limited By Power Dissipation or 350 VAC, Whichever Is Less)

+70 °C Single Section Assembly .........................................................(Linear tapers) 0.5 watt .......................... (Linear tapers) 2 watts

(Audio tapers) 0.25 watt ........................ (Audio tapers) 1 watt

+70 °C Multiple Section Assembly.......................................................(Linear tapers) 0.5 watt/section ............. (Linear tapers) 1 watt/section

(Audio tapers) 0.25 watt/section ........... (Audio tapers) 0.5 watt/section

+125 °C ................................................................................................0 watt..................................................... 0 watt

Theoretical Resolution ................................................................................Essentially inﬁnite .................................. Essentially inﬁnite

Environmental Characteristics

Operating Temperature Range ...................................................................-40 °C to +125 °C.................................. -40 °C to +125 °C

Storage Temperature Range ......................................................................-55 °C to +125 °C.................................. -55 °C to +125 °C

Temperature Coefﬁcient Over Storage Temperature Range ......................±1,000 ppm/°C ...................................... ±150 ppm/°C

Vibration (Single Section) ...........................................................................15 G ....................................................... 15 G

Total Resistance Shift ...........................................................................±2 % maximum ..................................... ±2 % maximum

Voltage Ratio Shift ................................................................................±5 % maximum ..................................... ±5 % maximum

Shock (Single Section) ...............................................................................30 G ....................................................... 30 G

Total Resistance Shift ...........................................................................±2 % maximum ..................................... ±2 % maximum

Voltage Ratio Shift ................................................................................±5 % maximum ..................................... ±5 % maximum

Load Life.....................................................................................................1,000 hours ........................................... 1,000 hours

Total Resistance Shift ...........................................................................±10 % maximum ................................... ±5 % maximum

Rotational Life (No Load) ............................................................................100,000 cycles ...................................... 100,000 cycles

Total Resistance Shift ...........................................................................(Linear taper) 10 ohms or ..................... (All tapers) ±5 % TRS maximum

±10 % TRS max. (whichever is greater)

(Audio taper) ±20 % maximum

Contact Resistance Variation @ 50,000 cycles

(Audio taper) ..................................................................................±3 % ...................................................... ±3 %

(Linear taper) .................................................................................±2 % ...................................................... ±2 %

Moisture Resistance (MIL-STD-202, Method 103, Condition B)

Total Resistance Shift ...........................................................................(B & E tapers) ±10 % maximum ........... ±5 % maximum (all tapers)

(D, G, S & T tapers) ±20 % maximum

Insulation Resistance (500 VDC) ..........................................................100 megohms minimum ........................ 100 megohms minimum

IP Rating .....................................................................................................IP 40 ...................................................... IP 40

Mechanical Characteristics

Stop Strength

1/4 ” and 1/8 ” diameter shafts ......................................................................................................................................................... 45.19 N-cm (4 lb.-in.)

7/8 ” length shaft ................................................................................................................................................................................. 22.6 N-cm (2 lb.-in.)

Mechanical Angle ...................................................................................................................................................................................................... 300 ° ±5 °

Torque

Starting and Running Torque (Non-Locking Bushings)

Single Section ................................................................................................................................................................. 0.14 to 1.06 N-cm (0.2 to 1.5 oz.-in.)

Dual Section .................................................................................................................................................................... 0.14 to 1.06 N-cm (0.2 to 1.5 oz.-in.)

Triple Section ................................................................................................................................................................... 0.35 to 1.41 N-cm (0.5 to 2.0 oz.-in.)

Quadruple Section .......................................................................................................................................................... 0.35 to 1.41 N-cm (0.5 to 2.0 oz.-in.)

Starting and Running Torque (Locking Bushings) ..................................................................................................... 0.14 to 2.82 N-cm (0.2 to 4.0 oz.-in.)

Shaft Locking Torque with Locknut @ 10 in-lb. (B & E Bushings) ........................................................................................................ 14 N-cm (20 oz-in.)

Mounting ...................................................................................................................................................................1.7-2.0 N-m (15-18 lb.-in.) maximum

Weight (Single Section).............................................................................................................................................................................. 21 grams maximum

(Each Additional Section) ...................................................................................................................................................................... 6 grams maximum

Terminals .......................................................................................................................................................................... Printed circuit terminals or J-Hooks

Soldering Condition .................................................................. Recommended hand soldering using Sn95/Ag5 no clean solder, 0.025 ” wire diameter.

Maximum temperature 399 °C (750 °F) for 3 seconds. No wash process to be used with no clean ﬂux.

Marking.......................................................................... Manufacturer’s trademark, wiring diagram, date code and resistance, manufacturer’s part number

Ganging (multiple section potentiometers) ..................................................................................................................................................... 4 cup maximum

Hardware ...........................................One lockwasher and one mounting nut is shipped with each potentiometer, except where noted in the part number.

For dimensional drawings see pages 3 & 4.

For ordering information see page 5.

NOTE: Model 81/82 performance speciﬁcations do not apply to units subjected to printed circuit board cleaning procedures.

1At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.

*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.

Speciﬁcations are subject to change without notice.

Customers should verify actual device performance in their speciﬁc applications

81/82 - 5/8 ” Square Single-Turn Panel Control

85/86 - 5/8 ” Square Single-Turn Panel Control with Rotary Switch

Rotary Switch Speciﬁcations

Initial Electrical Characteristics

Contacts:

DPST ...............................................................................................................................................................................N.O/N.O.,N.C./N.C. or N.O./N.C.

DPDT ................................................................................................................................................................................2 N.O./N.C. (break before make)

Power Rating (Resistive Load):

DPST ............................................................................................................ 2 A @ 125 volts RMS-60 Hz or 2 A @ 28 VDC, 1 A @ 250 volts RMS-60 Hz

Contact Resistance (0.1 VDC-10 mA) ..................................................................................................................................................... 10 milliohms nominal

Contact Bounce ................................................................................................................................................................................ 5 milliseconds maximum

Dielectric Withstanding Voltage (MIL-STD-202, Method 301)

Sea Level ............................................................................................................................................................................................. 1500 VAC minimum

Insulation Resistance ....................................................................................................................................................................... 1000 megohms minimum

Environmental Characteristics

Operating Temperature Range ...........................................................................................................................................................................0 °C to +70 °C

Storage Temperature Range ........................................................................................................................................................................ -65 °C to +125 °C

Vibration (Dual Section) ....................................................................................................................................................................................................... 8 G

(Triple Section) .................................................................................................................................................................................................... 5 G

(Quadruple Section) ........................................................................................................................................................................................... 3 G

Contact Resistance ........................................................................................................................................................................ 10 milliohms maximum

Shock (Dual Section) ......................................................................................................................................................................................................... 20 G

Rotational Life ..................................................................................................................................................................................................... 25,000 cycles

Switch Actuating Torque (50% Duty cycle @ Rated Power Load) .................................................................................. 1.41 to 4.94 N-cm (2 to 7 oz.-in.)

Moisture Resistance (MIL-STD-202, Method 106, Condition B)

Contact Resistance (0.1 VDC-10 mA) ............................................................................................................................................ 10 milliohms maximum

Insulation Resistance (After 24 Hours @ Room Temperature) (500 VDC) .................................................................................... 100 megohms minimum

Switch Housing Material ................................................................................................................. High temperature, ﬂame retardant, thermosetting plastic

Mechanical Characteristics

Actuating Torque (Each Section, Switch Module Only) ....................................................................................................... 3.53 to 10.6 N-cm (5 to 15 oz.-in.)

Running Torque (Out of Detent, 2-4 Module Assembly)..................................................................................................... 0.21 to 1.41 N-cm (0.3 to 2 oz.-in.)

Detent ..................................................................................................................................................................................................... CW or CCW standard

Actuation Angle ...................................................................................................................................................................................................................25 °

Contact Materials ..........................................................................................................................................................................Fine silver with gold overlay

Terminal Styles .................................................................................................................................................................................................. Solder lug only

Standard Orientation ..............................................................................................................................................................In-line with control terminals

Optional .......................................................................................................................................................................... Rotated 90 ° CCW from standard

Terminal Strength (Before and After Soldering Heat Exposure) .......................................................................................................... 0.9 Kg (2 lbs.) minimum

NOTE: Model 81/82 performance speciﬁcations do not apply to units subjected to printed circuit board cleaning procedures.

1At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.

Speciﬁcations are subject to change without notice.

Customers should verify actual device performance in their speciﬁc applications

81/82 - 5/8 ” Square Single-Turn Panel Control

Product Dimensions

"A" Bushing

3/8 " (9.53 mm) Dia. Plain - Single Shaft

9.50

.38

(.375

±.015)

12.7,15.88,19.05,22.23± .79

(1/2, 5/8, 7/8,

1/32)

STANDARD

3/8-32 UNEF

6.35

.03

DIA.

(1/4

1/32)

1.19

SHAFT SLOT

WIDE X

(.047)

1.60+.38/-.00

DEEP

(.063+.015/-.000)

7.92

MIN.

.25

(.312)

° ±5 °

X (.010)

9.53

.13

CHAMFER

(.375

.005)

PILOT DIA.

5.49 OPTIONAL FLAT 16.00 LONG OR 1.52 FROM

(.63)

(.216)

(.06)

17.46

"A" BUSHING END FOR SHAFTS UNDER

(11/16)

"B" Bushing

3/8 " (9.53 mm) Dia. Plain - Single Shaft

15.88

.79

(5/8

1/32)

STANDARD

1.19

SHAFT SLOT

WIDE X

(.047)

1.60 + .38/- .00

DEEP

(.063 +.015/-.000)

6.32

.03

DIA.

(.249

.001)

.25

° ±5 °

CHAMFER (.010)

"C" Bushing

1/4 " (6.35 mm) Dia. Plain - Single Shaft

9.53,12.7,15.88,19.05,22.23

.79

(3/8, 1/2, 5/8, 3/4, 7/8,

1/32)

STANDARD

3.162

.025

DIA.

(.1245

.001)

.79

SHAFT SLOT

WIDE X

(.031)

.79

.25

DEEP

(.031

.010)

.25

° ±5 °

CHAMFER (.010)

12.70

.13

(.500

.005)

6.35

.13

(.250

.005)

1/4-32 UNEF

3/8-32 UNEF

11.13

(.438)

MIN.

9.53

.13

(.375

.005)

PILOT DIA.

4.45

(.175)

MIN.

6.35

.05

(.250

.002)

PILOT DIA.

2.39

.13 OPTIONAL FLAT 6.35 LONG OR 1.52 FROM

(.094

. 005)

(.250)

14.30 (.06)

"C" BUSHING END FOR SHAFTS UNDER

(9/16)

"E" Bushing

1/4 " (6.35 mm) Dia. Locking - Single Shaft

12.7

.13

(.500

.005)

15.88

.79

(5/8

1/32)

STANDARD

3.18

.03

DIA.

(.125

.001)

10.80

(.425)

MIN.

6.35

.05

(.250

.002)

PILOT DIA.

SHAFT SLOT .78 WIDE X

.78

.03 (.031)

(.031

.001) DEEP

.25

° ±5 °

X (.010)

CHAMFER

"A" Bushing

3/8 " (9.53 mm) Dia. Plain - Concentric Shaft

28.58

.79

(1-1/8

1/32)

STANDARD

9.53

(.375)

6.32

.03

DIA.

(.249

±.001)

3.162

.025

DIA.

(.1245

.001)

"C" Bushing

1/4 " (6.35 mm) Dia. Plain - Concentric Shaft

25.40

.79

1/32)

STANDARD

6.35

(.25)

1.98

.03

DIA.

(.078

.001)

19.05

.79

(3/4

1/32)

STANDARD

15.88

.79

(5/8

1/32)

STANDARD

1/4-32 UNEF

3/8-32 UNEF

1.98

.03

DIA.

TRIPLE CONCENTRIC (.078

.001)

(SPECIAL ORDER)

1/4-32 UNEF

3.162

.025

DIA.

(.1245

.001)

7.47

OUTER SHAFT

DIA. OPERATES SECTION #1 INNER SHAFT

(.249)

3.18

DIA. OPERATES SECTION #2, #3, & #4 ("G" STYLE)

(.125)

OUTER SHAFT 3.18 DIA. OPERATES SECTION #1 INNER SHAFT

(.125)

.078

(1.95) DIA. OPERATES SECTION #2, #3, & #4 ("G" STYLE)

"S" Bushing

10 mm Dia. Locking - Single Shaft

22.00 ± 0.79

(.866 ± .031)

STANDARD

SHAFT SLOT

1.01 ± 0.10

(.040 ± .004)

1.80 ± 0.25

DEEP

WIDE X

(.071 ± .010)

12.50 ± 0.38

(.492 ± .015)

DIMENSIONS:

(INCHES)

CCW

M10 x 0.75-6g

MIN.

10.92

(.430)

6.000 +0.000/-0.075

DIA.

(.236 +.000/-.003)

.25

° ±5 °

CHAMFER (.010)

9.90

PILOT DIA.

(.390)

POTENTIOMETER

Speciﬁcations are subject to change without notice.

Customers should verify actual device performance in their speciﬁc applications

81/82 - 5/8 ” Square Single-Turn Panel Control

Product Dimensions

Dual Unit - PC Pins & J-Hook

26.04

.79

(1.025

.031)

Triple Unit - PC Pins & J-Hook

36.20

1.19

(1.425

.047)

Quad Unit - PC Pins & J-Hook

46.36

1.19

(1.825

.047)

10.16

.38

(.400

.015)

10.16

.38

TYP.

(.400

.015)

10.16

.38

TYP.

(.400

.015)

Model 81/82

Single Unit - PC Pins & J-Hook

15.88

.38

(.625

.015)

11.94

(.470)

9.58

.38

(.377

.015)

15.88

.38

(.625

.015)

Model 81

Suggested PC Board Layout - PC Pins

(Single-Shaft Style Bottom View)

5.08

.13

(.200

.005)

1.14

DIA.

(.045)

Shaft Flat Orientation*

120

° ±

CCW END

15.88

.41

(.625

.016)

1 2 3

FLATTED SHAFT

12.7

(.50)

5.97

.38

(.235

.015)

5.08

.38

(.200

.015)

5.33

.76

(.210

.03)

10.16

.13

(.400

.005)

5.08

.13

(.200

.005)

° ±5 °

3.81

MAX. 3 PLCS.

(.150)

.81

DIA.

(.032)

5.08

.38

(.200

.015)

Terminal outlines shown as solid lines represent PC Pins, available

on Model 81. Dashed line terminal outline represents "J" Hook,

available on Model 82.

Note: For units with dual concentric shaft styles, a

2.54 (.100) spacer is added between the module(s) driven

by the outer shaft and those driven by the inner shaft.

For G, K, or V shafts, add the spacer between

modules 1 and 2. For L or M shafts, add the spacer

between modules 2 and 3. For N or P shafts, add the

spacer between modules 3 and 4.

SLOTTED SHAFT

*EXCLUDES MODELS 83 AND 84

DIMENSIONS:

(INCHES)

Speciﬁcations are subject to change without notice.

Customers should verify actual device performance in their speciﬁc applications

85/86 - 5/8 ” Square Single-Turn Panel Control with Rotary Switch

Product Dimensions

Primary Potentiometer Module

Model 85/86

14.53

(.572)

Secondary Potentiometer Module

Model 85/86

10.16

(.400)

15.88

(.625)

15.88

(.625)

Shaft Flat Orientation*

° ±

9.58

.38

(.377

.015)

120

° ±

CCW END

12.7

(.50)

FLATTED SHAFT

1.60

5.08 (.063)

(.200)

5.08

(.200)

5.08

(.200) 8.56

(.337)

5.97

(.235)

8.56

(.337)

SLOTTED SHAFT

*EXCLUDES MODELS 83 AND 84

Switch Module

Model 85/86

REAR

PLATE

COVER

2.77

(.109)

1.35

(.053)

2.29

(.090)

TYP.

6 PLACES

Assembly Sequence

Model 85/86

Secondary Potentiometer Module

15.88

(.625)

REF.

18.42

(.725)

2.41

1.14

(.095)L X (.045)W

SLOT TYP. 6 PLACES

2.92

(.115)

9.53

(.375)

REAR

COVER

PLATE

SWITCH

MODULE

PRIMARY

POTENTIOMETER

MODULE

NOTE: Switch terminals shown in vertical position.

DPST (NO/NC)

(TYPES 50, 51, 56, 57)

DPST (NC/NC)

(TYPES 54, 55, 60, 61)

DPST (NO/NO)

(TYPES 52, 53, 58, 59)

DPDT (NC/NC)

(TYPES 70, 71, 72, 73)

Switch contacts shown in detent position.

Locating Lug Options - All Model 80 Series

.46

(.018)

7.75

(.305)

E = 2.36

.76

(.093

.03)

H & J = 1.98

.41

(.078

.016)

13.49

(.531)

9.53

(.375)

11.10

(.437)

.79

.41

(.031

.016)

2.31

(.091)

3.18

(.125)

2.36

(.093)

3.18

(.125)

DIMENSIONS:

NOTE: "D" OPTION - NO A/R LUG. OTHER LOCATING LUG OPTIONS AVAILABLE. FOR DETAILS CONSULT FACTORY.

(INCHES)

.XX

.38

(.015)

ANGLE

5 %

.127

TOLERANCES EXCEPT AS SHOWN: DECIMAL .XXX

(.005)

Speciﬁcations are subject to change without notice.

Customers should verify actual device performance in their speciﬁc applications

集成运放的噪声到底有多大？: 集成运放的固有噪声到底有多大呢？虽然用的是精密放大器op07 但信号源确是微伏级的会不会淹没在噪...; chongboqwe 模拟电子

清华MSP430课件: 和大家分享下清华MSP430课件顶，好贴 Re: 清华MSP430课件色调为分要付费下载...; lzt_1207 微控制器 MCU

高速模拟电路设计技术-Section 4: 高速模拟电路设计技术-Section 4 名??称：高速模拟电路设计技术-...; fighting 模拟与混合信号

TI Packet Sniffer 2.15.2 抓包失败: 不知道还有哪些参数需要设置一协调器一路由器再通讯，数据交互一直在进行可总是抓包失败，频道是248...; 高兴就好 RF/无线

白皮书下载|TE《散热桥技术——电子设备散热领域的创新》: 数据通信和无线(尤其是 5G)、高性能计算、以太网交换机替代/置换 (SP) 路由和服务器是最能 ...; EEWORLD社区电源技术

GSM网络测试仪器及其测试方法: 摘要：本文介绍无线接口测试仪器及其测试方法，包括TEMS、频谱分析仪、Umstar测试系统、CT...; tmily RF/无线

以中国经验让AI教育更公平，少年云助学计划与联合国教科文组织人工智能与教育教席启动

4月11日消息，阿里巴巴少年云助学计划（Cloud for Youth）和联合国教科文组织人工智能与教育教席（UNESCO Chair on Artificial Intelligence in Education ）将共同探索未来人工智能学习空间。双方会以中国经验为基础，为全球人工智能教育均衡化做探索，让乡村孩子用上更先进的计算机。 “我们不仅要让人工智能更先进，还要对未来的公平发展承担好...[详细]
STM32F4时钟配置的操作步骤

本文将介绍STM32F4时钟配置的操作步骤、并对比时钟配置前后LED外设闪烁的快慢以及对应代码的讲解一、使用默认时钟配置去执行代码、获取LED闪烁的周期如下图所示我们默认使用的是HSI（内部高速时钟）且不进行任何配置最后我们系统时钟、以及外设获得的时钟频率为16MHz 主函数中的代码如下： int main(void) { /* USER CODE BEGIN 1 */ ...[详细]
和而泰拟6.24亿收购铖昌科技80%股权，进入军工IC领域

为向上游芯片环节延伸以及向军工领域拓展，深圳和而泰智能控制股份有限公司（以下简称“和而泰”）日前发布公告称，公司拟以自有资金6.24亿元收购铖昌科技80%股权。目前交易双方已经正式签署了《股权收购框架协议》。根据框架协议约定，和而泰与铖昌科技股东丁文桓、杭州鑫核投资合伙企业（有限合伙）、郁发新资签署了《股权收购协议》及《盈利预测补偿协议》。和而泰将通过丁文桓、杭州鑫核投资合伙企业（有限合伙...[详细]
申龙客车三维数字化设计项目案例分享

项目背景上海申龙客车有限公司致力于客车整车研发、制造和销售，产品涵盖新能源客车、公路客运、旅游、公交、团体、厢式物流车等各个细分市场，是上海唯一、国内为数不多的综合性客车制造企业。公司自2005年9月成立以来，不断创新，坚持自主设计制造满足客户需求。严格执行TS16949标准、获得国家3C认证，已形成了6米至13.7米，中高档产品档次的20多类200多个客车品种的完整产品链。经过几年...[详细]
智能梯控系统具备的五大功能

　　1.基本功能　　能自动识别IC卡的类别和权限，防止无卡人员非法使用电梯,控制器一旦有硬件和软件故障，可立即使电梯自动恢复为自由状态，可按选层钮乘梯与电梯的消防紧急开关实现联动的功能。独特的内嵌式密码键盘，代替IC卡操作。住户可自行修改密码，无须管理人员参与，减少烦琐的管理工作，增加安全性。　　2.管理功能　　系统管理：设置系统管理人员和操作人员权限。　　发卡管...[详细]
数字隔离技术在混合动力和电动汽车中的应用

　混合动力和电动汽车(HEV/EV)将400V和更高电压的设计导入了汽车和交通领域。在严酷的汽车环境中，要应对如此高的电压和大的电流，就需要高度可靠且可长期稳定工作的方案，以便能有效地将此高压和其它电子功能电路(当然，最重要的是驾驶！)隔离开来。　　交通应用中的隔离要求　　汽车、卡车和摩托车中采用的混合动力和电动传动系统，在交通运输产业引发了新的、前所未知的挑战。原来的12V电压...[详细]
罗彻斯特电子携手京都半导体，为通讯和传感客户提供长期可靠的光学元器件

罗彻斯特电子携手京都半导体，双方携手为通讯和传感客户提供长期可靠的光学元器件，同时有利于共同拓宽全球市场。美国马塞诸萨州纽伯里波特，2022年3月美国罗彻斯特电子有限公司（美国马塞诸萨州）与光学器件解决方案专业制造商——京都半导体有限公司（日本京都）正式建立合作关系，为客户提供持续的产品支持。这些产品不仅包括停产元器件，还有部分当前仍在量产期。 “我们很荣幸地宣布，罗彻斯...[详细]
机器人视觉的九大挑战

机器人视觉解决方案是我们实现机器人视野的几大挑战。即便变得越来越简单易用，还是有一些棘手的问题。很多因素影响机器人在环境中的视觉，任务设置和工作场所。这里有9个总结出来的机器人视觉挑战： 1.照明如果有过在低光照下拍摄数码照片的经验，就会知道照明至关重要。糟糕的照明会毁掉一切。成像不像人眼那样适应性强或敏感。如果照明类型错误，视觉传感器将无法可靠地检测到物体。有各种克服照...[详细]
韩国媒体称苹果正在测试 65 英寸屏幕面板

根据韩国媒体的最新报导，当地一家厂商正在与苹果合作测试 65 英寸的屏幕面板，这一种面板基本上可以“确定”是未来苹果智能电视产品（iTV）所配。报导称，苹果本次测试是在为明年的大规模生产做准备。换言之，韩国媒体认为苹果智能电视将会在 2015 年面世。关于 iTV 产品的传闻我们已经听过不少，同时也见过相当多的概念设计作品，然而近段时间由尤加利•伊瓦塔尼•凯...[详细]
Qorvo 黄靖：5G基站市场给氮化镓打开爆发空间

日前，在第二届IC全球企业家峰会氮化镓产业论坛上，Qorvo应用市场总监黄靖作了题为《5G关键技术-氮化镓》的演讲。 Qorvo应用市场总监黄靖黄靖表示，复合化合物半导体在在未来几年5G的快速爬坡中将出现爆发性增长，尤其是在基站PA应用中，氮化镓将取代传统的LDMOS。就国内基站市场而言，Qorvo预估明年将有60万个宏基站部署。谈到基站与组网，黄靖说道毫米波频段不会像Sub-...[详细]
可定制的机器人：Intel要把科幻小说变现实

如果你是那种喜欢自己做些东西以及编程的创客，来自Intel实验室的计划可让你更容易地达到目的。在今年的纽约Maker Faire上，Intel的未来学家Brian David Johnson向大家展示了Jimmy，这是一款由3D打印部件组装的开源机器人。一旦组装完成，Jimmy（你可以给它取别的名字）就能像智能手机一样具有可编程性。你也可以下载安装第三方开发的App，就像在...[详细]
stm32的堆、栈、全局变量的分配地址

在一个STM32程序代码中，从内存高地址到内存低地址，依次分布着栈区、堆区、全局区（静态区）、常量区、代码区，其中全局区中高地址分布着.bss段，低地址分布着.data段。总的分布如下所示： 1、栈区（stack）临时创建的局部变量存放在栈区。函数调用时，其入口参数存放在栈区。函数返回时，其返回值存放在栈区。 const定义的局部变量存放在栈区。 2、堆区（heap）堆区用于存放...[详细]
小摩：联发科有望大举进军平板市场

摩根大通证券出具报告表示，看好联发科(2454-TW)在智慧机和平板电脑晶片的创新，可望大举进攻平板市场，预估联发科第2季营收有望季增35%，预估2012-2014年每股盈余年复合成长率将高达60%，重申加码评等，调高目标价，由420元上修至480元。摩根大通证券指出，预估MT6572晶片近期将在开放通路出货，将可驱动双核心智慧机渗透率，成本也将可压至低于40美元。摩根大通证券调升联发科...[详细]
国网福建电力：示范项目引领推进配-微网融合发展

中国储能网讯： 1月14日，国网福建省电力有限公司召开专题会议，部署国家级海上风电研究与检测基地基建动工前各项准备工作。2021年，国网福建电力推动国家海上风电研究与试验检测基地落户福建。基地建成后，可形成集设备制造、检测认证、技术研究、建设安装、运行维护于一体的完整产业链，推动福建省海上风电装备制造产业发展，形成产业集聚和人才集聚的高地，打造亚洲最大的海上风电产业群。在新型电力系...[详细]
大联大世平集团推出基于易冲半导体产品的汽车大灯方案

2024年11月14日，致力于亚太地区市场的国际领先半导体元器件分销商--- 大联大控股宣布，其旗下世平推出基于易冲半导体（ConvenientPower）CPSQ5453和CPSQ5352芯片的汽车大灯方案。图示1-大联大世平基于易冲半导体产品的汽车大灯方案的展示板图在电气化与智能化的推动下，汽车产业的每一个环节都焕发出前所未有的活力与创新潜能。其中，汽车大灯作为整车的重要...[详细]