|
发表于 2010-10-10 00:29:39
|
显示全部楼层
http://www.comsec.com/usrp/microtune/4707-PH5-3x7612.pdf
4707-PH5-3x7612.pdfourdev_588586REYOJK.pdf(文件大小:88K) (原文件名:4707-PH5-3x7612.pdf)
1. Description
The tuner 4707 PH5 is specially designed for subscriber side cable modem applications. It
covers a frequency range from 50 to 860 MHz with a channel bandwidth of 8 MHz for the
downstream signals, and a frequency range of 5 to 42 MHz for the upstream signals. The
receiver uses a single conversion approach with the reception frequency range divided into VHF
low, VHF high and UHF. Band selection and tuning is done via I²C-bus.
看频率范围像是-C的,有线的 |
|