 Receive Converter for 630m band by VK6YSF
The receive converter consists of tree main elements, Low Pass Filter to mitigate strong AM broadcast band transmission over loading the receiver, a single transistor amplifier and Ring Mixer to step the 630m band (472kHz-479kHz) signals up to the 30m band frequency range of 10.472MHz-10.479MHz.
https://vk6ysf.com/receive_converter_630m_mk1.htm
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