廖先生
手機(jī):
2880196039
傳真:
liaokai17
東莞市塘廈鎮(zhèn)塘龍東路63號(hào)
回收銷售儀器范圍：各類無(wú)線綜合測(cè)試儀，絡(luò)分析儀，信號(hào)源，音頻分析儀，頻譜儀，示波器，光衰減器，源，測(cè)試夾具，傳輸分析儀，萬(wàn)用表，子負(fù)載，視頻分析儀，邏輯分析儀，射頻阻抗分析儀，LCR 表，微波頻率計(jì)，通用頻率計(jì)，各類示波器，功率計(jì)，GPIB卡,PCI-GPIB,GPIB-USB-B等。
專業(yè)從事各類二手儀器儀表的銷售,回收，維修，租賃及收購(gòu)。
R&S CTS55
GSM900/1800/1900移動(dòng)話測(cè)量
·通過(guò)軟鍵進(jìn)行菜單控制
·TFT彩色顯示
·菜單有6種語(yǔ)言
·緊縮式、堅(jiān)固的設(shè)計(jì)，重量輕
·動(dòng)態(tài)范圍：GSM>55dB
技術(shù)指標(biāo)
·GSM signal generator
Built-in reference oscillatorstandard
Frequency drift in temperature range +5℃ to 40℃≤1*10^-6
Aging≤0.5*10^-6/yearat 35℃
GSM
Frequency rangeGSM900 band935MHz to 960 MHz
GSM1800 band1805MHz to 1880 MHz
GSM 1900 band1930MHzto 1990 MHz
ResolutionGSMchannel spacing 200 kHz
Outputlevel
RFIN/OUT with 0 dB ext.attenuation-50dBm to -110 dBm
RF OUT2 GSM with 0 dB ext.attneuation-15dBmto -75dBm
Level errorRF IN/OUT≤1.5dBm
RF OUT2 GSM≤2.0dBm
ModulationGMSK,BxT=0.3
Norrowbａnd Spectoum Monitor Option CTS-B7
Span300kHz
Resolutionbandwidth4/10/20/50/100kHz
Dynamic range(p>5dBm)
Δf=0kHz to 30 kHztyp:35dBc
Δf=30kHz to 150 kHztyp:50dBc
Morkers3marders and delta-marker
GSM peak power meter
Frequency rangeGSM900band890 MHz to 915 MHz
GSM1800band1710MHz to 1785 MHz
GSM1900 band1850MHzto 1910 MHz
Level range-15dBmto 39 dBm(peak values up to 41 dBm)
GSMmeasurement of phase and frequency error
FrequencyrangeGSM900 band890 MHz to 915 MHz
GSM1800 band1710MHzto 1785 MHz
GSM1900 band1850MHzto 1910 MHz
Reference level forfull dynamic range with 0 dB ext.
attenuation0dBm to +39(pead values up to 41 dBm)
Dynamicrange (p>5 dBm)≥55dB
Resolution0.1dB
DECT
DECT signal generator
Frequency range1876.608MHzto 1935.360 MHz and half channels
Frequency driftsomean reference oscillator
Outputlevel
RFIN/OUT-100 dBm to -40dBm
RFOUT2 DECT(-20 dBm to dBm if RF IN2DECTis active)
useable up to 5 dBm
Level error≤1.5dB
RF IN/OUT≤2.0dB
RF OUT2 DECTGFSK(BxT=0.5)
DECT analyzer
Frequency rangesome as signal generator
Measurement rangewith0 dB external attenuation
RF IN/OUT30dBm to -30dBm
RF IN2 DECT-35dBmto -55dBm
FM demodulator
Frequency range0kHzto 450kHz
Resolution4kHz
DC offset<3kHz
Residual FM
RF IN/OUT<15kHz,peak,95%confidencre
(30dBm to 5 dBm)
<5kHz,peak,95%
confidencre
(30dBmto 15dBm)
RFIN2 DECT<15kHz,peak,95%
confidencre
(-35dBm to 15dBm)
<15kHz,peak,95%
confidencre
(-35dBm to -40 dBm)
Levelmeter
Range
RFIN/OUT30dBm to -30dBm
RFIN2 DECT-35dBm to -55 dBm
Dynamicrange≥60dB (for p=24dBm)
Resolution0.5dB
Accuracy
RF IN/OUT<1dB+resolution
(30dBmto 5 dBm)
<2dB+resolution(<5dBm)
RFIN2 DECT<2dB+resolution
(-35dBmto -51dBm)
<2.5dB+resolution(<-51 dBm)
Audion interface
Outputunbalanced
Range558mV,300Hz to 3kHz
Output impedance<10Ω(RL>2kΩ)
S/N+THD30dB at max.level
Passbａnd ripple0.5dB
DECT applicationsaveraging 10 bursts
Modulation section1,2,4
Errorapprox.11 kHz with min.(202kHz)
permissible deviation
approx.13 kHz with
max.(403kHz)
permissibledeviation
Frequency drift
Errorappox.1kHz/ms(over 200
bursts)
Transmit powr
Measurement accurocy
RF IN/OUT<1dB+resolution
(30dBmto 5 dBm)
<2 dB+resolution(<5dBm)
RFIN2 DECT<2dB+resloution
(-35 dBm to -51dBm)
<2.5 dB +resolution(<51 dBm
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