无线接收设计，超外差 无线接收设计，超外差 -RF-4421-091204.

无线接收设计超外差PCBSHEJI 无线接收设计超外差PCBSHEJI -Wireless Design Wireless Design PCBSHEJI superheterodyne superheterodyne radio receiver design superheterodyne PCBSHEJI PCBSHEJI

超外差收音机设计：格式为word文档，为课程设计完整文档，可直接用于相关文书提交。-Superheterodyne radio design: the format word document, complete document for the course design can be submitted directly to the relevant instruments.