An advanced 2m ARDF-Receiver by DF1FO

Overview This paper describes a microprocessor-controlled 2m-ARDF-receiver. The receiver is considerably more complex than most of the simple ARDF-receivers from Eastern Europe or China. In return it offers many advance features: Highlights Receiver with 3-Element-Yagi Circuit Description Refer to the schematics on the following two pages. The analogue part of the receiver is a double conversion receiver with 10,7 MHz and 455 kHz intermediate frequencies […]

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