DAM全固态中波广播发射机模数转换原理分析

Principle Analysis of Analog-to-digital Conversion for DAM All-solid-state Medium Wave Broadcasting Transmitter

本文对DAM-10kW中波全固态数字发射机A/D转换过程进行了介绍,讲述了A/D转换的基本原理、取样量化、A/D转换、转换故障检测、大台阶同步信号电路以及音频还原电路的工作原理。

This paper introduces the A/D conversion process of DAM-10 kw medium-wave all-solid-state digital transmitter,and describes the basic principle of A/D conversion,sampling quantization,A/D conversion,conversion fault detection,large step synchronous signal circuit and the working principle of audio recovery circuit.