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CPU-8VT/64-170-2 FORCE適當(dāng)?shù)剡M(jìn)步發(fā)射功率，能夠進(jìn)步通訊的可靠性

　　在接納端下功夫，前端引進(jìn)良好的濾波，和可控的LNA，是不是做無(wú)線(xiàn)這一行的，功夫一般體現(xiàn)在這兒。當(dāng)看到一個(gè)模塊只知道加大發(fā)射功率不在接納上下功夫，就能夠知道設(shè)計(jì)者的水平了。尤其是有些觸摸了射頻10年以上的工程師要是還這么干，就太沒(méi)什么長(zhǎng)進(jìn)了。

　　CPU-8VT/64-170-2 FORCE進(jìn)步天線(xiàn)的增益，挑選電抗小的天饋體系

　　盡可能的把這個(gè)機(jī)器都屏蔽起來(lái)，實(shí)際上屏蔽分磁屏蔽和場(chǎng)屏蔽，這兒用場(chǎng)屏蔽，如果在一些環(huán)境欠好的工業(yè)場(chǎng)合還需要參加磁屏蔽。

　　體系上盡量不要運(yùn)用開(kāi)關(guān)電源，其實(shí)是能夠用的，主要是要在測(cè)驗(yàn)時(shí)先不必，以排除通訊欠好的原因。

　　找一個(gè)儀器測(cè)驗(yàn)一下買(mǎi)的模塊到底有多大的功率。有商家在數(shù)據(jù)表里寫(xiě)著3.3V的情況下出33dbm耗電300mA，不知能量來(lái)自哪里。

　　測(cè)驗(yàn)的時(shí)候模塊先運(yùn)用電池電源。有些有點(diǎn)功率的廉價(jià)模塊一掛上非電池的電源性能就大打折扣。

　CPU-8VT/64-170-2 FORCE　初學(xué)者怎么挑選儀器

　　關(guān)于比方433的頻段，由于是上劃分給業(yè)余無(wú)線(xiàn)電用的頻段，所以能夠買(mǎi)到廉價(jià)的天線(xiàn)分析儀，能夠測(cè)出駐波和電抗。再來(lái)一臺(tái)二手的頻譜儀（約3000元）就能夠開(kāi)端了，以后再慢慢加。

　　怎么斷定通訊狀況

　　找兩臺(tái)有微功率檔的業(yè)余對(duì)講機(jī)比方7R，把功率設(shè)置到50毫瓦以下，如果在設(shè)定的場(chǎng)合不能通話(huà)，一般就別瞎盡力了，905之類(lèi)加3W的PA也通不了快想別的辦法，不要浪費(fèi)時(shí)間。

　　               用誠(chéng)信的心，真誠(chéng)的為您服務(wù)！

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