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嵌入式工业的基础是以应用为中心的芯片设计和面向应用的软件开发。实时多任务操作系统(RTOS)进入嵌入式工业的意义不亚于历史上机械工业采用三视图的贡献，对嵌入式软件的标准化和加速知识创新是一个里程碑
目前，商品化的RTOS可支持从8BIT的8051到32BIT的PowerPC及DSP等几十个系列的嵌入式处理器。提供高质量源代码RTOS的公司主要集中在美国。
随着信息家电的普及，智能化、网络化将会无所不在，所有这些都离不开嵌入式软件，而在嵌入式软件只中核心的莫过于RTOS（Real Time Operating System，实时操作系统）。我们都熟悉Windows这样的操作系统，但却不一定熟悉嵌入式系统中常用的RTOS。如今，微软已经推出了Windows的嵌入式版本——Windows CE。而风靡一时的Linux也在嵌入式系统中扮演着重要角色。这样看来，传统桌面操作系统和嵌入式操作系统的界线似乎也在淡化。事实究竟如何呢？让我们来听听在嵌入式软件领域颇有造诣的*是怎么说的。
Sony/Tektronix 335 Portable Oscilloscope
TEKTRONIX 7L5 Module NASA Edition *Mint Condition*
Tektronix TDS620 500 MHz, 4(2+2) Ch, 2GS/s, Oscilloscop
Tektronix TR 503 Tracking Generator
Tektronix YBT100 Backhaul Tester NetTek for Y350C Y400
Expedited shipping available
4 PCS Tektronix P6245 Active Probe 1.5GHz 15PV Tested
TEKTRONIX TDS 520B 500MHz OSCILLOSCOPE w Opt 1F
Tektronix 1410 Sync Generator w/ modules
Tektronix 2246A Oscilloscope inside mounting rack
Microwave Logic Tektronix SJ-300 Sonet/SDH *Make Offer*
SONY TEKTRONIX RTD 710A WAVEFORM DIGITIZER
Tektronix YOPM200 Optical Power Meter NetTek Y400 Y350C
Expedited shipping available
Tektronix TM502A mainframe wth AM503B Current Probe Amp
Tektronix P6015A/2R 25 MHz High Voltage Probe Tested
Tektronix 2465BDV 400 MHz Oscilloscope - LOW HOUR/Cal
PERFORMANCE CALIBRATED! - RETURNS! Freq Cnt/Multimeter
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TEKTRONIX 519 1 GhZ OSCILLOSCOPE
TEKTRONIX VX4240 USPP VX4240
Tektronix 68000 /010/ Probe Adapter
Tektronix TDS 410A TDS410A digital scope, NIST-cal'd
additional free NIST recalibration within one year
Tektronix 2455B 4-Channel 250MHz Analog Oscilloscope
Tektronix 2465 Oscilloscope
Tektronix 11801B 50 GHz Sampling Oscilloscope
Tektronix TLS216 TLS 216 Logic Scope 1F
One-day shipping available
Tektronix PDR 200/PRS 200A Profile Video File Server
TEKTRONIX P6207 4 GHZ ACTIVE OSCILLOSCOPE PROBE TDS820
Tektronix TDS 220 TDS220 oscilloscope, NIST-certified
additional free NIST recalibration within one year
Tektronix WFM601A and 764 Digital Audio Monitor
TEKTRONIX 2465B 400MHz OSCILLOSCOPE + cal'd +guaranty
Tektronix PG506A Oscilloscope Calibration Generator
Tektronix TG501A Oscilloscope Time Mark Generator
Siemens / Tektronix K1297 with Prime E1 Module
TEKTRONIX TDS380 2ch Oscilloscope, 400 MHz, 2 GS/s
Tektronix TDS540A Oscilloscope 500MHz 4Ch 1GSa/s
TEKTRONIX 1450 /1/3/ MAINFRAME
Tektronix TLA7AA4 8S 8Mb 136Ch Logic Analyzer Module
One-day shipping available
Tektronix DSA602A Digitizing Signal Analyzer, 1 GHz
Tektronix SCALCF1 Calibration Fixture
Tektronix 1411 PAL Video Generator Mainframe
Tektronix 1750A NTSC Waveform, Vector, SCH Monitor
Tektronix 2467B 4-Channel 400MHz High Writing Speed Osc
Tektronix 012-1221-00 2 Meter Cable For Sampling Heads
Tektronix 1740-6 Waveform Vector Monitor
Tektronix ST103-RX-TX Sonet Transmission Test Set. Tran