| 品牌 | R/S | 型號 | CTS55 |
| 用途 | GSM手機測試 |
GSM900/1800/1900移動電話測量
·通過軟鍵進行菜單控制
·TFT彩色顯示
·菜單有6種語言
·緊縮式、堅固的設計，重量輕
·動態范圍：GSM>55dB
技術指標
·GSM signal generator
| 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(RL>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) | |
