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Simple Circuits Inc.
Simple SDR Radios
The Simple Circuits "Simple SDR Receiver" is a software designed radio receiver covering 3.5 to 18 MHz and built around a
Cypress PSoC3 device. A paper describing the design was presented at the Tucson Amateur Packet Radio annual Digital
Communications Conference held in September 2010. The paper is available on the TAPR website.
The March/April 2012 issue of the American Radio Relay League QEX magazine contains an article describing the updated receiver design. All source code and compilations are also available from the links below. Have fun!
The March/April 2012 issue of the American Radio Relay League QEX magazine contains an article describing the updated receiver design. All source code and compilations are also available from the links below. Have fun!
Documents
Copyright 2025 Simple Circuits Inc.
Sorry, but the receivers have been sold out and are no
longer available for purchase.
Documents and Firmware
The Simple Raspberry Pi VHF Transceiver and TNC is a board that attaches the the Raspberry Pi Computer. This
board contains both a 144 to 148 MHz radio and a terminal node controller (TNC). Together with the Raspberry Pi,
this creates a complete APRS iGate for amateur radio use.
Simple Raspberry Pi VHF Transceiver and TNC
Simple SDR HF Receiver
Simple RPi manual and schematic download (updated 4/1/2018)