北京科瑞通科技有限公司

主要特性与技术指标

性能

+/-0.19 dB 绝对幅度精度 -154 dBm 显示平均噪声电平（DANL） 10 kHz 偏置时的相噪：-118 dBc/Hz 81 dB W-CDMA ACLR 动态范围

分析带宽

10 MHz 分析带宽（用于基本模式的选件 B7J） 可选 40 或 80 MHz 分析带宽，以便捕捉和测量复杂信号。观看演示 适用于 40 或 80 MHz 分析带宽的 -78 dB（额定值）三阶互调 E4448A-0156 GHz return-loss Measurement Accessory KitE4448A-033Measuring receiver connector accessory kitE4448A-045Millimeter Wave AccessoryE4448A-107Audio input 100 kOhmE4448A-110RF/uW internal preamplifierE4448A-111USB device side I/O interfaceE4448A-115512 MB user memoryE4448A-117Secure memory eraseE4448A-12280 MHz bandwidth digitizerE4448A-123Switchable MW Preselector BypassE4448A-124Y-axis video outputE4448A-14040 MHz bandwidth digitizerE4448A-1CMRackmount KitE4448A-1CNHandle kitE4448A-1CPRack mount kit with handlesE4448A-1CRRack slide kitE4448A-1DSRF internal preamplifierE4448A-202GSM/EDGE measurement personality， fixed perpetual licenseE4448A-2041xEV-DO measurement personality， fixed perpetual licenseE4448A-210HSDPA/HSUPA measurement personality， fixed perpetual licenseE4448A-211TD-SCDMA power measurement personality， fixed perpetual licenseE4448A-212TD-SCDMA modulation analysis measurement personality， fixed perpetual licenseE4448A-213HSPA/8PSK FOR TD-SCDMA modulation analysis measurement personality， fixed perpetual licenseE4448A-2141XEV-DV measurement personality， fixed perpetual licenseE4448A-215External source control measurement personality， fixed perpetual licenseE4448A-217WLAN 802.11a/b/g measurement personality， fixed perpetual licenseE4448A-219Noise figure measurement personality， fixed perpetual licenseE4448A-226Phase noise measurement personality， fixed perpetual licenseE4448A-230Benchlink web remote control softwareE4448A-233Measuring receiver measurement personality， fixed perpetual licenseE4448A-235Wide BW digitizer external cal wizardE4448A-239EMC measurement personality， fixed perpetual licenseE4448A-23BCCITT filter for audio measurements， fixed perpetual licenseE4448A-241Flexible digital modulation analysis measurement