CTS55数字无线综测仪

CTS55数字无线综测仪

GSM900/1800/1900移动电话测量
通过软键进行菜单控制
TFT彩色显示
菜单有6种语言
紧缩式、坚固的设计，重量轻
动态范围：GSM>55dB

技术指标

Built-in reference oscillator standard
Frequency drift in temperature range +5℃ to 40℃ ≤1*10^-6
Aging ≤0.5*10^-6/yearat 35℃
GSM

Frequency range GSM900 band 935MHz to 960 MHz
GSM1800 band 1805MHz to 1880 MHz
GSM 1900 band 1930MHzto 1990 MHz
Resolution GSMchannel 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 error RF IN/OUT ≤1.5dBm
RF OUT2 GSM ≤2.0dBm
Modulation GMSK,BxT=0.3
Norrowband Spectoum Monitor Option CTS-B7
Span 300kHz
Resolutionbandwidth 4/10/20/50/100kHz
Dynamic range (p>5dBm)
Δf=0kHz to 30 kHz typ:35dBc
Δf=30kHz to 150 kHz typ:50dBc
Morkers 3marders and delta-marker
GSM peak power meter
Frequency range GSM900band 890 MHz to 915 MHz
GSM1800band 1710MHz to 1785 MHz
GSM1900 band 1850MHzto 1910 MHz
Level range -15dBmto 39 dBm(peak values up to 41 dBm)
GSMmeasurement of phase and frequency error
Frequencyrange GSM900 band 890 MHz to 915 MHz
GSM1800 band 1710MHzto 1785 MHz
GSM1900 band 1850MHzto 1910 MHz
Reference level forfull dynamic range with 0 dB ext.
attenuation 0dBm to +39(pead values up to 41 dBm)
Dynamicrange (p>5 dBm) ≥55dB
Resolution 0.1dB
DECT
DECT signal generator
Frequency range 1876.608MHzto 1935.360 MHz and half channels
Frequency drift somean 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 DECT GFSK(BxT=0.5)
DECT analyzer
Frequency range some as signal generator
Measurement range with0 dB external attenuation
RF IN/OUT 30dBm to -30dBm
RF IN2 DECT -35dBmto -55dBm
FM demodulator
Frequency range 0kHzto 450kHz
Resolution 4kHz
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/OUT 30dBm to -30dBm
RFIN2 DECT -35dBm to -55 dBm
Dynamicrange ≥60dB (for p=24dBm)
Resolution 0.5dB
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
Output unbalanced
Range 558mV,300Hz to 3kHz
Output impedance <10Ω(R L >2kΩ)
S/N+THD 30dB at max.level
Passband ripple 0.5dB
DECT applications averaging 10 bursts
Modulation section1,2,4
Error approx.11 kHz with min.(202kHz)
permissible deviation
approx.13 kHz with
max.(403kHz)
permissibledeviation
Frequency drift
Error appox.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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