CPCI-761 FORCE 有

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热敏电阻前置扩大电路规划

　　CPCI-761 FORCE规划热敏电阻前置扩大电路如图3所示。U14为将+5 V转变为+2．5 V的高参阅电压源，该参阅源有极低的噪声、低的温度系数，减少了该扩大电路输出端由于电源引起的噪声干扰。R2、R3、R4和激光器内部负温度系数热敏电阻组成桥式扩大电路的4个桥壁，当热敏电阻随温度改变阻值发生改变时，桥壁输出一个跟随温度改变的电压差，扩大器输出的电压反映的正是扩大了的热敏电阻阻值随温度改变状况。

　　CPCI-761 FORCE热电制冷（TEC）操控电路规划 温度操控选用的TEC集成操控电路芯片，减少了传统所选用的积分微分电路，使得规划简略，电路调试便利，能够直接硬件完成。其要害操控电路规划如图4所示。

　　CPCI-761 FORCE芯片引脚IN+为热敏电阻经过前置扩大后的输出电压信号，R9和R12为分压电阻，为引脚IN-供给一个安稳的电压。引脚IN+端输入电压与引脚IN-端电压进行比较，当IN+端电压引脚大于IN-端引脚时，由该芯片材料知输出为制冷形式，反之为制热形式。该电路经过负温度系数热敏电阻输入端电压大小来操控整个反应环路，当温度升高时热敏电阻阻值减小，由图3知，热敏电阻端电压下降，使得OPA1177输出比较电压升高，从而使输入到DRV953的IN+ 端电压升高，当该电压大于IN-端相电压时，使得该芯片输出电压翻转操控激光器半导体制冷器由制热形式转变为制冷形式，经过这样一个负反应网络完成温度自动操控。同理，当温度下降时同样遵从该负反应原理。

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CPU-2CE/16 

CPU-3CE/16 

CPU-3CE/32-40-1 

CPU-3CE/64-40-1 

CPU-5CE/16-85-2 

CPU-5CE/32-85-2 

CPU-5CE/64-85-2 

CPU-5TE/16-85-0 

CPU-5V/64-100-2 

CPU-5V/64-110-2 

IOBP-10 

CPU-8VT/64-170-2 

CPU-20 Series

CPU-30BE 

CPU-30ZBE 

CPU-33XB 

CPU-33XN 

CPU-40B/16 

CPU-40B/16-01 

CPU-40B/16-02 

CPU-40B/4 

CPU-50/128-333-4-2 

CPU-50/256-333-4-2 

CPU-50GT/256-300-4-2

CPU-50GT/256-333-4-2 

CPU-50T/256-300-4-2 

CPU-50T/256-333-4-2 

SCSI-BP4 

CPU-60D/32/C3 

6604E/16-200 

CPCI-731 

CPCI-761 

IOBP-731 

PMC860-40-E1-75 

SCSI-BP4 

IOBP-731 

IOBP-10 

IBC-20-1

SYS68K/PIO-1  

CPCI-910 

CPU-5V/64-110-2/C13  

Force SPARC/CPU-10/128-1251 SPARC/CPU-10/128-1251H1 VME  

Force SPARC CPU-5VT VME Board  

FORCE SPARC CPU-3CE/16-40-1 P/N 501015 Network #B89 

Force Sparc CPU-3CE/16 VME Processor Board  

Force Sparc CPU-10/32 VME SBC computer board  

Force Sparc CPU-2CE/16 VME SBC computer board with GPIB 

Force CPCI-550 sparc/cpci-550  

Force SPARC CPU-2s/32 VME SI 600-11573-201  

FORCE SPARC CPU-5V CPU-5V/64-100-2 VME MAINFRAME. CARD  

Force SPARC CPU-3CE/16 Network 501015 Board #F15 

FORCE SPARC CPU-3CE/32-40-1 P/N 501016 Network #B90 

FORCE SPARC CPU-5V CPU-5V/64-100-2 VME MAINFRAME. CARD  

Force Sparc CPU-20VT VME SBC computer board  

Force VME Sparc CPU Military Avionics   

Force Sparc/CPU-10/128-51-1  B 

FORCE SPARC CPU-3CE/8 NETWORK  

FORCE SPARC CPU-10/9U BOARD  

Force SPARC CPU-3CE/16-40-1 501015 Network Board #B61 

FORCE SPARC CPU-5CE/16 VME SBUS MAINFRAME. CARD  

Force SPARC CPU-3CE/16 Network 501015 Board #F16  

Force Sparc/mem-50 213802 RevAA Memory Stick #F37  

Force SPARC CPCI-523G 256-300-4-2 CompactPCI Card 

Force Sparc/CPU-10/64-40-1

Force SYS68K CPU-30Lite  

FORCE SYS68K DRAM VME BOARD MVME MAINFRAME. MOTOROLA 

Force SYS68K/CPU-6 880-12537-101.A?2 LAM 810-17034-300-1  

FORCE SYS68K SRAM-4A VME BOARD MVME MAINFRAME. MOTOROLA  

Force SYS68K/CPU-6VB P/N 100611 LAM reseach 17034-3-C  

FORCE SYS68K ISCSI-1 VME BOARD MVME MAINFRAME. MOTOROLA  

FORCE COMPUTERS SYS68K CPU-6A  

FORCE SYS68K CPU-2VF VME SINGLE BOARD COMPUTER MOTOROLA  

FORCE SYS68K CPU-30BE/16 VME BOARD 

Force SYS68K/SIO-2 P/N 310004  

Force SYS68K CPU-33B/4 VME Board  

Force SYS68K/SASI-1  

FORCE CONTROL BOARD SYS68K ISI0-2/C2 (P/N 220062)  

FORCE COMPUTER MODEL SYS68K SASI-1441 LAM REV A  

FORCE COMPUTER CPU BOARD SYS68K CPU-1B NEW-NO BOX  

Force SYS68K CPU30ZBE CPU-30ZBE CPU Module VMEbus VME  

FORCE SYS68K CPU BOARD 310004 WORKING   

Force SYS68K/CPU-33B/?4 VME Board CAT#: 510098 

FORCE COMPUTERS SYS68K/CPU-6VA USPP SYS68KCPU6VA CIRCUIT CARD 

BUS TRONIC FORCE SYS68K MAINFRAME. BOARDS NICE LOT  

Force SYS68K/ISIO-2 I/O Controller Board PN: 310031  

Force SYS68K ISIO-1 Serial I/O Board  

BioRad SYS68K CPU-30ZBE FORCE 25MHZ VME CPU BOARD  

FORCE COMPUTER VME BOARD MODEL SYS68K REV C 

FORCE SYS68K ISIO-2 MODULE ASSY  

Force SYS68K/ISIO-1FP I/O Controller Dual Board 310034  

Force SYS68K/CPU-33B/4 VME Board CAT#: 510098 PN: 600-1  

Force SYS68K/CPU-30BE SYS68K/CPU-30BE?/16/C2 VME Module 

Force SYS68K/CPU-33B/4 VME Board CAT#: 510098  

Force SYS68K/ISIO-1FP I/O Controller Dual Board w Cable  

Force SYS68K/ISIO-1FP I/O Controller Dual Board 310034  

FORCE PROCESSOR BOARD Model SYS68K ASCU-2  

Force SYS68K/ISIO-2 I/O Controller Board PN: 310031 

Force SPARC/CPU-10/128-1251 SPARC/CPU-10/12?8-1251H1 VME  

A64520 Force Computers Sparc CPU-24VTF Board  

Force CPCI-550 sparc/cpci-550 

Force Sparc CPU-3CE/16 VME Processor Board  

Force SPARC CPU-2s/32 VME SI 600-11573-201  

FORCE SPARC CPU-5V CPU-5V/64-100-2 VME MAINFRAME. CARD  

Force Sparc/CPU-10/12?8-51-1

FORCE SPARC CPU-5V CPU-5V/64-100-2 VME MAINFRAME. CARD 

Force SPARC CPU-3CE/16-40-1 501015 Network Board #B61 

FORCE SPARC CPU-3CE/16-40-1 P/N 501015 Network #B89 

Mercury Themis Force VME Sparc CPU Military Avionics 

FORCE SPARC CPU-3CE/32-40-1 P/N 501016 Network #B90  

FORCE SPARC CPU-10/9U BOARD  

FORCE SPARC CPU-3CE/32-40-1 P/N 00157-001 Network #B91  

MOTOROLA FORCE SPARC CPU-5CE/16 VME SBUS MAINFRAME. CARD  

FORCE SPARC CPU-3CE/8 NETWORK 

Force SPARC CPCI-523G 256-300-4-2 CompactPCI Card  

Force Sparc/CPU-10/64-40-1

 Force SYS68K/CPU-6 880-12537-101.A2 LAM 810-17034-300-1 

 FORCE SYS68K CPU-2VF VME SINGLE BOARD COMPUTER MOTOROLA 

 Force SYS68K/CPU-6VB P/N 100611 LAM reseach 17034-3-C 

 FORCE SYS68K DRAM VME BOARD MVME MAINFRAME. MOTOROLA 

 Force SYS68K CPU-30

 FORCE SYS68K SRAM-4A VME BOARD MVME MAINFRAME. MOTOROLA 

 FORCE COMPUTERS SYS68K CPU-6A 

 FORCE SYS68K CPU-30BE/16 VME BOARD 

 FORCE SYS68K ISCSI-1 VME BOARD MVME MAINFRAME. MOTOROLA  

 Force SYS68K ISIO-1 Serial I/O Board 

 FORCE COMPUTER CPU BOARD SYS68K CPU-1B NEW-NO BOX  

 Force SYS68K CPU-33B/4 VME Board

 Force SYS68K/SIO-2 P/N 310004  

 Force SYS68K/SASI-1  

 FORCE SYS68K ISIO-2 MODULE ASSY 

 FORCE CONTROL BOARD SYS68K ISI0-2/C2 (P/N 220062) 

 FORCE COMPUTER VME BOARD MODEL SYS68K REV C  

 FORCE COMPUTERS SYS68K/CPU-6VA USPP SYS68KCPU6VA

 FORCE COMPUTER MODEL SYS68K SASI-1441 LAM REV A  B

 FORCE SYS68K CPU BOARD 310004 WORKING   

 BUS TRONIC FORCE SYS68K MAINFRAME. BOARDS NICE LOT 

 Force SYS68K/CPU-33B/4 VME Board CAT#: 510098 PN: 600-1  

 FORCE SYS68K/CPU-30BE/8 REMOVED FROM BIORAD SYSTEM 

 Force SYS68K/ISIO-1FP I/O Controller Dual Board w Cable 

 Force SYS68K/CPU-30BE SYS68K/CPU-30BE?/16/C2 VME Module 

 Force SYS68K/CPU-33B/4 VME Board CAT#: 510098 

 Force SYS68K/ISIO-2 I/O Controller Board PN: 310031 

 Force SYS68K/ISIO-1FP I/O Controller Dual Board 310034  

 Force SYS68K/ISIO-2 I/O Controller Board PN: 310031  

 FORCE PROCESSOR BOARD Model SYS68K ASCU-2 

 Force SYS68K CPU30ZBE CPU-30ZBE CPU Module VMEbus VME 

 Force SYS68K/ISIO-1FP I/O Controller Dual Board 310034 

 Force SYS68K/CPU-33B/4 VME Board CAT#: 510098