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1.4 调幅式有线广播载波设备主要技术指标的测量1.4.1 载波发送机1.4.1.1 载波频率(1)利用示波器,采用频率比较法进行测量。测量仪表及线路连接如图15所示。
1.4 Amplitude Modulation Cable Broadcasting Carrier Equipment Measurement of the main technical indicators 1.4.1 Carrier Transmitter 1.4.1.1 Carrier frequency (1) the use of oscilloscopes, the use of frequency comparison method for measurement. Measuring instruments and line connections as shown in Figure 15.