IC697BEM731RR
IC697BEM731RR
IC697BEM731RR
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Intel X79 Chipset E-ATX Gaming Motherboard
GIDDINGS LEWIS PIC900 P/N 5020378202R1 INPUT ENCODER
GIDDINGS LEWIS PIC900 P/N 5020354900R3 OUTPUT MODULE
Giddings Lewis PIC900 502-03640-02 M.1016.9070
GIDDINGS LEWIS 572-03657-03 USPP 5720365703
GIDDINGS LEWIS 572-03657-03 NSFP 5720365703
GIDDINGS LEWIS 503-25907-01 NSFP 5032590701
GIDDINGS LEWIS 502-03907-02 NSFP 5020390702
GIDDINGS LEWIS 502-03842-02R2 USPP 5020384202R2
GIDDINGS LEWIS 502-03842-02 NSPP 5020384202
GIDDINGS LEWIS 502-03842-00R0 USPP 5020384200R0
GIDDINGS LEWIS 502-03657-03R5 USPP 5020365703R5
GIDDINGS LEWIS 502-03657-03R3 USPP 5020365703R3
GIDDINGS LEWIS 502-03657-03R2 USPP 5020365703R2
GIDDINGS LEWIS 502-03657-00R8 USPP 5020365700R8
GIDDINGS LEWIS 502-03548-00R3 USPP 5020354800R3
GIDDINGS LEWIS 502-03548-00 NSFP 5020354800
GFM GVME-610-I/O VME MODULE
GFM GVME-610-I/O NSPP GVME610IO
Genuine Digium TE410P 4 port PRI for Asterisk Elastix
GENUINE Cisco WS-C3750G-24TS-E Cisco Catalyst 3750G-24TS Ethernet Switch
Genuine Cisco XFP-10G-MM-SR 10-Gigabit XFP Mutirate Transceiver Module
Genuine Cisco XENPAK-10GB-ZR Module 80KM
Genuine Cisco XENPAK-10GB-ZR Module 80KM
Genuine Cisco XENPAK-10GB-CX4 Module Gigabit -
Genuine Cisco XENPAK-10GB-CX4 Module Gigabit -
Genuine Cisco X2-10GB-LX4 Transceiver 10 Gigabit-WRNTY
Genuine Cisco X2-10GB-LRM 10GBASE-LRM X2 Module
GENUINE Cisco WS-X6748-GE-TX Cisco Catalyst Switching Module WS-X6748-GE-TX=
Genuine Cisco WS-X6724-SFP Catalyst 24-port Gigabit Ethernet Switching Modul
Genuine Cisco WS-CAC-1300W Power Supply-WRNTY
Genuine Cisco WS-C6K-9SLOT-FAN2 Fan Tray WRNTY 6509
Genuine Cisco WS-C6K-9SLOT-FAN2 Fan Tray WRNTY 6509
Genuine Cisco WS-C6K-9SLOT-FAN Tray--FastShip
GENUINE Cisco WS-C3750G-12S-S Cisco Switch With 1 Year Replacement
Genuine Cisco WIC-1DSU-T1-V2 card w/1 YEAR
GENUINE CISCO SFP-OC3-SR Transceiver
Genuine Cisco SFP-GE-S Transceiver FastShip-WRNTY
GENUINE Cisco PWR675-AC-RPS-N1 Fast Shiping
GENUINE CISCO PWR-3845-DC Fast Shiping
GENUINE CISCO PWR-3845-DC Fast Shiping
GENUINE CISCO PWR-3745-AC Fast Shiping
GENUINE CISCO PWR-2821-51-AC-IP Power Supply 2821 2851
GENUINE CISCO PWR-2700-AC for 7604/6504-E WE SHIP SAME
GENUINE CISCO PWR-2700-AC for 7604/6504-E WE SHIP SAME
一.半导体器件
包括半导体特性,半导体二极管,双极结性三极管,场效应三极管等
导电性介于良导电体与绝缘体之间,利用半导体材料特殊电特性来完成特定功能的电子器件。
二.放大电路的基本原理和分析方法:1.原理:单管共发射极放大电路;双极性三极管的三组态---共射 共基 共集;场效应管放大电路--共源极放大。分压自偏压式共 源极放大,共漏极放大,多级放大,2方法 直流通路与交流通路;静态工作点的分析;微变等效电路法;图解法等等。
三.放大电路的频率响应
单管共射放大电路的频响--下限频率,上限频率和通频带频率失真波特图多级放大电路的频响
四.功率放大
互补对称功率放大电路—— OTL(省去输出变压器),OCL(实用电路)
五.集成放大电路
放大电路(amplification circuit)能够将一个微弱的交流小信号(叠加在直流工作点上),通过一个装置(核心为三极管、场效应管),得到一个波形相似(不失真),但幅值却大很多的交流大信号的输出。实际的放大电路通常是由信号源、晶体三极管构成的放大器及负载组成。
偏置电路,差分放大电路,中间级,输出级。
六.放大电路的反馈
正反馈和负反馈
负反馈:四组态——电压串联,电压并联,电流串联,电流并联负反馈。(注意输出电阻和输入电阻的改变)
负反馈的分析:Af=1/F(深度负反馈时)
七.模拟信号运算电路
理想运放的特点(虚短虚地);
比例运放(反向比例运放,同向比例运放,差分比例运放);
求和电路(反向输入求和,同向输入求和)
积分电路,微分电路;
对数电路,指数电路;
乘法电路,除法电路。
八.信号处理电路
有源滤波器( 低通LPF,高通HPF。带通BPF,带阻BEF)
电压比较器(过零比较器,单限比较器,滞回比较器,双限比较器)
九.波形发生电路
正弦波振荡电路(条件,组成,分析步骤)
RC正弦波振荡电路(RC串并联网络选频特性)
LC 正弦波振荡电路 (LC并联网络选频特性电感三点式电容三点式)
石英晶体振荡器
非正弦波振荡器(矩形波,三角波,锯齿形发生器)
十.直流电路
单相整流电路
滤波电路(电容滤波,电感滤波 ,复式滤波)
倍压整流电路(二倍压整流电路,多倍压整压电路)
串联型直流稳压电路
是涉及连续函数形式模拟信号的电子电路,与之相对的是数字电路,后者通常只关注0和1两个逻辑电平。“模拟”二字主要指电压(或电流)对于真实信号成比例的再现,它初来源于希腊语词汇ανάλογος,意思是“成比例的.
GENUINE CISCO PWR-2700-AC for 7604/6504-E WE SHIP SAME
GENUINE CISCO MEMORY MEM-NPE-G2-FLD256 Fast Shiping
GENUINE CISCO MEM1800-128CF Fast Shiping
GENUINE CISCO GLC-SX-MM-RGD Rugged
Genuine Cisco GLC-SX-MM Transceiver 1 Gigabit Fiber
GENUINE CISCO GLC-LH-SM Transceiver Fast Ship
GENUINE CISCO GLC-GE-100FX Transceiver
GENUINE CISCO GLC-FE-100ZX Transceiver
GENUINE Cisco DS-SFP-GE-T for MDS 9000
GENUINE CISCO DS-2SLOT-FAN
GENUINE CISCO DS-2SLOT-FAN
GENUINE CISCO CWDM-SFP-1530 Transceiver
GENUINE CISCO CWDM-SFP-1530 Transceiver
GENUINE CISCO CVR-X2-SFP Converter Module
Genuine Cisco Catalyst 6500/Cisco WS-SUP720-3B= Supervisor Engine WS-SUP720-3B
GENUINE CISCO CAB-HD8-ASYNC CALE
GENUINE Cisco ASA5520-BUN-K9 Cisco ASA 5520 VPN/Firewall 4 x 1000Base-T
GENUINE Cisco ASA5520-BUN-K9 Cisco ASA 5520 VPN/Firewall 4 x 1000Base-T
GENUINE CISCO AIR-PWRINJ-BLR2 Fast Shiping
Genuine Cisco AIR-CAB150ULL-R LOW LOSS CABLE Fast Shipp
Genuine Cisco 2801 Router 4 x Expansion Best PRICE AVAILABLE
General Electric Series 6 IC600CP421A PLC Complete
GENERAL ELECTRIC IS220PPROH1A USPP IS220PPROH1A
GENERAL ELECTRIC IC660EBD101P I/O MODULE
General Electric IC600 BF940L Tranmitter
General Electric IC600 BF940L Tranmitter
General Electric IC600 8F830L Module IC6008F830L
Gemini MM-03 5 Channel DJ Mixer
Gemco Electric 1993-BCD-4096-12-L-OC-X-X I/O Module No Box
Gemco 1993-BCD-360-L-T-P-X Resolver I/O Module No Box
Gemco 1993-BCD-360-12-L-OC-X Resolver I/O Module No Box
Gemco 1993-BCD-360-12-L-OC-X Resolver I/O Module
Gemco 1989-M-32-R-12-S-E-X Quik Set III I/O Module No Box
Gemco 1989-CA-16-R-12-S-E-M-O Resolver I/O Module No Box
Gemco 1989-A-16-R-12-S-E-K-X Resolver I/O Module
GEM80 8300 USPP 8300
GEM80 8173 USPP 8173
GE/FANUC IC693DL740H OUTPUT MODULE PLC I/O HUBBELL
GE/Fanuc IC600CB527L I/O Control Module "".
GE/Fanuc IC600BF945K ASCII I/O 20K
GE Mark VI printed circuit board IS215UCVEM01A "REPAIR"
GE IC693MDL655C Input Module 24 VDC Pos/Neg Fast 32 Point XLNT
GE IC693MDL340C IC 693 MDL 340 C Output Module
GE IC609SJR120C PROGRAMMABLE CTRL IN 24VDC OUT 115-230V
GE FANUC VMIC VMIVME VME MVME Module I/O Board ASSY No. 332-001111-C-1-0
GE Fanuc VersaMax IC200CPU001-DE CPU001 IC200MDD840F
GE Fanuc VersaMax Genius Network Interface Pwr Supply
GE Fanuc VersaMax CPUE05 PLC with Power Supply
GE FANUC SERIES SIX SYSTEM IC600CP620L
GE FANUC SERIES SIX PLUS I/O PLC IC600YR560L 115/230 V
GE FANUC SERIES ONE IC610CHS110A
GE FANUC SERIES 90 MICRO IC693UEX012AP1 IC693UEX012
GE Fanuc PCB Board I/O Module A20B-2100-0220/04A
GE Fanuc IS220PPROH1A I/O Module
GE FANUC INPUT SIMULATOR MODULE IC693ACC300D
GE FANUC IC697CPU782 USPP IC697CPU782
GE FANUC IC697CPU781 USPP IC697CPU781
GE Fanuc IC697CPU772L IC697CPU772 Processor CPU 772 Ver L
GE FANUC IC697CPU771 USPP IC697CPU771
GE FANUC IC697CPM925 USPP IC697CPM925
GE FANUC IC697BEM731/IC697BEM731K I/O BUS CONTROL XLNT
GE FANUC IC697BEM731 USPP IC697BEM731
GE FANUC IC697BEM731 NSFP IC697BEM731
GE FANUC IC693CPU360 USPP IC693CPU360
GE FANUC IC693CPU360 NSFP IC693CPU360
GE FANUC IC693CPU352 USPP IC693CPU352
GE FANUC IC693CPU351 USPP IC693CPU351
GE FANUC IC693CPU350 USPP IC693CPU350
GE FANUC IC693CPU350 FNFP IC693CPU350
GE FANUC IC693BEM321 USPP IC693BEM321
GE FANUC IC693BEM320E I/O MODULE IC693BEM320E
GE FANUC IC693BEM320 USPP IC693BEM320
GE FANUC IC693BEM320 NSPP IC693BEM320
GE FANUC IC693BEM320 NSFP IC693BEM320
GE FANUC IC693ALG442 USPP IC693ALG442
GE FANUC IC675PDO081 NSFP IC675PDO081
GE FANUC IC675PDM841 NSFP IC675PDM841
GE FANUC IC675PDI081 NSPP IC675PDI081
GE Fanuc IC660ELS100E I/O Module
GE FANUC IC660ELD021 USPP IC660ELD021
GE FANUC IC660ELD020 USPP IC660ELD020
GE FANUC IC660ELA100 USPP IC660ELA100
GE FANUC IC660EBD101S I/O MODULE WITH IC660TSD100L
GE FANUC IC660EBD100E I/O MODULE GENIUS 8CIRCUIT 2AMP 115VAC
GE FANUC IC660EBD100A I/O MODULE GENIUS 8CIRCUIT 2AMP 115VAC
GE Fanuc IC660EBD025V Genius PLC SINK IC660EBD025
GE FANUC IC660EBD021 USPP IC660EBD021
GE FANUC IC660EBD020B I/O MODULE GENIUS 24/48VDC 16SRC
GE FANUC IC660EBD020B I/O MODULE GENIUS 24/48VDC 16SRC
GE FANUC IC660EBA100N I/O MODULE
GE Fanuc IC660EBA100 N Genius Analog 4I/20 Block NIB
GE Fanuc IC660EBA100 N Genius Analog 4I/20 Block NIB
GE FANUC IC660CBD100 USPP IC660CBD100
GE Fanuc IC660BBS103 Block
GE Fanuc IC660BBS103 Block
GE FANUC IC660BBD100 USPP IC660BBD100
GE FANUC IC660BBD100 ANALOG I/O MODULE XLNT
GE Fanuc IC660BBD024 Genius 32PT I/O BLOCK 12/24 NIB
GE Fanuc IC660BBA105C IC660BBA105 Genius Analog
GE Fanuc IC660BBA105C IC660BBA105 Genius Analog
GE FANUC IC660BBA100 ANALOG I/O MODULE XLNT
GE FANUC IC655MDL581A OUTPUT MODULE RELAY 32PT
GE FANUC IC655MDL581A OUTPUT MODULE RELAY 32PT
GE FANUC IC655CPU500 USPP IC655CPU500
GE FANUC IC630CCM331 NSFP IC630CCM331
GE FANUC IC630CCM330 NSFP IC630CCM330
GE FANUC IC630CCM330 FNFP IC630CCM330
GE Fanuc IC610MDL182A Input Module 16 Point 115 Vac
GE Fanuc IC610MDL129A Input Module 16 Point 115 Vac
GE FANUC IC610CCM111 NSFP IC610CCM111
GE FANUC IC610CCM110 USPP IC610CCM110
GE Fanuc IC600YB948A IC600YB948
GE Fanuc IC600YB948A IC600YB948
GE FANUC IC600YB948 USPP IC600YB948
GE FANUC IC600YB900 NSPP IC600YB900
GE FANUC IC600YB900 NSFP IC600YB900
GE FANUC IC600RB753 USPP IC600RB753
GE FANUC IC600CB527 USPP IC600CB527
GE FANUC IC600CB527 NSPP IC600CB527
GE FANUC IC600CB527 NSFP IC600CB527
GE FANUC IC600CB527 NSFP IC600CB527
GE FANUC IC600CB513 USPP IC600CB513
GE FANUC IC600CB513 NSPP IC600CB513
GE FANUC IC600BF948/IC600BF948P CONTROLLER MODULE NIB
GE FANUC IC600BF944 USPP IC600BF944
GE FANUC IC600BF944 USPP IC600BF944
GE FANUC IC600BF944 NSPP IC600BF944
GE FANUC IC600BF944 NSFP IC600BF944
GE Fanuc IC600-BF929K Output Card IC600BF929K
GE FANUC IC600BF929K HIGH-DENSITY OUTPUT MODULE 10-50V
GE FANUC IC600BF901K REMOTE I/O DRIVER MODULE
GE FANUC IC600BF901 USPP IC600BF901
GE FANUC IC600BF900 USPP IC600BF900
GE FANUC IC600BF830 USPP IC600BF830
GE FANUC IC600BF830 NSPP IC600BF830
GE FANUC IC600BF801 USPP IC600BF801
GE FANUC IC600BF800 NSFP IC600BF800
GE FANUC IC600 CB527L I/O CONTROL PLC MODULE BOARD
GE FANUC GENIUS IC660EBD101S I/O MODULE W/ IC660TSD100LTERM MODULE HAZ LOC
GE FANUC GENIUS IC660BBD110C IC660BBD110 NIFSP
GE FANUC GENIUS IC660BBD100C IC660BBD100
GE FANUC GENIUS IC660BBD100B IC660BBD100 NIFSP
GE FANUC GENIUS IC660BBA103 IC693EBA103E THERMOCOUPLE INPUT MODULE
GE FANUC GENIUS IC660BBA103 IC693EBA103 THERMOCOUPLE INPUT MODULE
GE FANUC GENIUS IC660BBA100B IC660BBA100 ANALOG NIFSP
GE Fanuc Genius I/O IC660BBD101S
GE Fanuc A03B-0819-C159 D DAOA12F
GE Fanuc 90-30 series PLC IC693PWR331D power supply
GE Fanuc 90-30 PLC Install Kit Software IC693CPU313
GE FANUC 90-30 PLC IC693CPU313V CPU 313 5 COMPLETE
GE FANUC 90-30 PLC CPU350 IC693CPU350 IC693MDR390 IC693MDL655 10 SLOTS
GE FANUC 90-30 PLC CPU350 IC693CPU350 IC693MDR390 IC693MDL655 10 SLOTS
GE Fanuc 90-30 PLC CPU323P IC693CPU323P 10 SYSTEM
GE Fanuc 90-30 PLC {System Software} w IC693CPU331
GE FANUC 90-30 IC693BEM320E I/O LINK MODULE QUANTITY
GE FANUC 90/30 SLP DIAGNOSTIC STATE LOGIC PROCESSOR
GE Fanuc 11 Rack Chassis IC600CP620K w/Power Supply Modules Term. Plug
GE A03B-0801-C410 A03B0801C410 Analog Input Module
GE 90-30 Analog Input/Output IC693ALG442C IC693ALG442
GE 463MD0NJA LIGHT CONTACTOR CONTROL MODULE 115-120VAC
GA-X38-DS4 SOCKET 775 Intel® X38 Chipset 4 DDR II 2 x PCI-E CrossFire
GAUSS I/O-CARD USPP IOCARD
Gateway E-9525R Rackmount Server Dual Xeon Processor Ready 6 Bay FREE SHIP
Gateway E-9522R Server DUAL Opteron 2.6GHz 8GB DVD/RW 6 Bay Rackmount
Gateway E-9520T Tower Server Dual Xeon 32GB 10 HDD Ready Load SAVE
GAMING COMBO AMD FX-8150 CPU 16GB DDR3 RAM MSI 970A-G45 CFX AM3Motherboard
GAMING COMBO AMD FX-8120 CPU8GBDDR3 RAMMSI 970A-G45 CFX SATA6 USB3 Motherboard
GAMING COMBO AMD FX-8120 CPU2GBDDR3 RAMMSI 970A-G45 CFX SATA6 USB3 Motherboard
GAMING COMBO AMD FX-6100 CPU4GBDDR3 RAMMSI 970A-G45 CFX