- 產品品牌：
- R&S羅德與施瓦茨
- 產品型號：
- CMD55
特點 ·是測量GSM移動電話的緊縮式單元
·高測量
·高速測量
·能力范圍包括發射信號、發生器、實現正確操作的測量功能及的測量分析
·使用生產與服務領域
技術指標
| RFgenerator | |
| Frequencyrange | 935.2 to 959.8MHz(GSM channel spacing) |
| Frequencysettling time | ≤3ms for phaseerror<2° |
| Output level(RF IN/OUT) | -33 to -120dBm |
| Output level(RF OUT 2) | +13 to -77dBm |
| Resolution | 0.1dB |
| Harmonics (RFIN/OUT) | <-30dBc |
| Modulation | GMSK,B×T=0.3 |
| RF generator2 | same as RFgenerator 1,but |
| Outputlevel(RFIN/OUT) | -35 dBm (RF OUT2:+11 dBm) |
| Peak powermeter(RF IN/OUT) | |
| Frequencyrange | 800to 1000MHz |
| Measurementrange/resolution | 10to 47 dBm/0.1dB |
| VSWR | ≤1.3 |
| GSM phase andfrequency | |
| errormeasurement | withoptionCMD-B4 |
| Frequencyrange | 890.2to 914.8MHz(GSM900 band) |
| Level range (RFIN/OUT | 10to 47 dBm(RFIN 2:-37 to 0 dBm) |
| High-dynamicburst analysis | with optionCMD-B42 |
| Relativeerrorof individual test sample | ≤1.5 dB to 72dB below peak power |
| Dynamicrange | >72dB |
| Measurementlimit (RF IN/OUT) | <-36 dBm(RFIN 2:<-83 dBm) |
| Mobile StationTester | ||
| GSM900 | CMD50 | 1050.9008.50 |
| GSM900 | CMD52 | 1050.9008.52 |
| GSM900 andCSM1800 | CMD53 | 1050.9008.53 |
| GSM900 andGSM1800 | CMD55 | 1050.9008.55 |
| GSM900,andGSM1800 and DECT | CMD65 | 1050.9008.65 |
| For all modelGSM1900 optional | CMD-B19 | 1059.6201.02 |
