型号:GCF-D11C
使用说明书： 
l 适于接收卫星上的C-BAND信号节目，采用正馈天线，C-BAND频率范围在3.7-4.2GH可以很好的抑制950MHz-1450MHz以外的信号干扰
l C-BAND为双极化单本振单输出通用型LNBF
l 超低噪声系数
l 超高介质振荡器稳定度及增益平坦度
l 适合全天候使用
 高频头的安装：
1. 将高频头放入固定夹具中
2. 将夹具紧固螺丝，稍微拧紧
3. 旋动高频头使波导外壳面上的“  ” 指向固定夹的“0” 刻度
 规格参数:
l 增益                                            65dB(type) 55dB(Min)
l 增益平坦度                                   ±4dB
l 噪声指数                                      0.4dB(type)0.8dB(max)
l 输入频率                                      3.7~4.2GHz
l 输出频率                                      950~1450MHz
l 本振频率                                      5150MHz
l 本振稳定度                                   5150MHz±3MHz(-40℃~+60℃)
                                                        5150MHz±1MHz@Room Temperature
l 相位噪声                                      -70dBc/Hz@1KHz(min)
                                                        -85dBc/Hz@10KHz(min)
                                                        -95dBc/Hz@100KHz(min)
l 输入馈源方式)                               Prime Focus
l 镜像抑制                                      45dB(min)
l 工作电压                                      15~20V DC
l 工作电流                                      150mA(max)
l 输出接口                                      75W  F-Type Female