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PCSD羅德施瓦茨測試接收機| R&S 


特點
·測試接收機于軟件相結合對GSM900/1800/1900 、ERMES、DAB系統(tǒng)的干擾參數(shù)進行檢測和分析
·緊縮式設計 
·是很好的工具：網絡優(yōu)化和擴展/服務/質量監(jiān)控/發(fā)現(xiàn)并解決故障/基站計劃


技術指標


Basic unit 
Graphics 
Built-display 8" colour TFT LCD,VGAstandard:640×480 pixels 
For external monitors max.1024×768pixels 
Mass storage 
Internal hard disk >250 Mbyte 
PC card exchangeable disk >100 Mbyte 
Disk drive 31/2,1.44Mbyte 
Interfaces 
Serial 3×RS-232-C(eg mouse,GPS) 
Parallel 2×LPT(egprinter,external trigger) 
PC card 2×5-contact connectorfor MF2 key-board 
Keyboard 
General data 
Power supplyAC 100 to 120V±10%,47 to 440 Hz,max.4 A and 220 to 240V±10%,47 to63Hz,max.1.3A 
DC 10 to 28V 
Dinensions(W×H×D);weight 427mm×236mm×460mm;15kg 
Channelimpulse response analysis (CIR) 
GSM900/1800/1900(optionpcsd-k2) 
Synchronization CO carrier, BCCH,extendedtraining sequence 
Measurement rate approx.46ms 
Max.delay time 80μs 
Max.dymanic range 18 dB,automatic noise suppression 
Resolution 1μs 
Bandwidth 120kHz,300 kHz 
DAB (option PCSD-K3) 
Synchronization run-in symbol 
Measurement rate,mode1/2/3 96/24/24ms 
Max.delay time,mode1/2/3 500/130/65μs 
Max.dynamic range 35 dB,automatic noise suppression 
Resolution 1μs 
Bandwidth 1.5MHz 
General measurements withspecial sequences (option PCSD-K4) 
Synchronization specialsequence 
Measurement rate approx.100ms 
Max. delay time 460 to 60μs,depending on bandwidth 
Max.dynamic range 35 dB,automatic noise suppression 
Resolution 0.1 to 3μs,depending on bandwidth 
Bandwidths 8/1.08 MHz/541/362/271 kHz;other bandwidths on request 
Interference analysis (option PCSD-K1) 
BCCHmeasurements 
Min.power of BCCH for dixplay -140dBm 
Number of measurable 
BCCHs per channel 5 
Probabilityof determining a BCCH with power C in a composite singnal with power 1as a functionof the number of dummy bursts (DB)per TDMA frame.(The composite signal may consistof moise,adjacent and co-channels of a TCH or BCCH,reflections and CW inter ferers): 






Number of DBs C/1(dB) 
per TDMA frame -40 to -30 -30 to -20 -20to -10 -10to 0 >0 
4 to 8
3 to 4
2
1 65%
50%
30%
20% 80%
76%
73%
70% 98%
97%
96%
95% 99.9%
99.7%
99.2%
99.0% *
*
*
* 






BCC determination definitive determinationof a BCC(base-station colour code)in 97% of all measurements (otherwise probabil-itydistribution) 
Noise power measurement >-30 dB(Pnoise/Psignal) 
Spectrum (display of spectum) ±200 kHz 
Reflection measurement max.25 dB(C/lreflection) 
Measurement rate 5 to 10 s per channel,depending on unmber of BCCHs 

有意者請：

深圳市微普測電子有限公司 陳丙州-