YO3DBZ/Radioduinosome ardruino code for a reciver based on the SI5351
Radioduino is an open-source printed circuit board by YO3DBZ, from the YO3DBZ/Radioduino repository on GitHub. It is a 2-layer board of 149.5 × 45 mm with 58 parts on 68 nets, routed with 582 tracks and 82 vias.
It is built around the PCF8574AT, RT9193-33GB and BSS138, with the SS8050 and SI5351A-B-GT among its other parts. Its parts include 12 resistors, 11 capacitors, 7 connectors, 4 ICs and 3 transistors. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Some arduino code for a superheterodyne receiver based on the SI5351 as a clock source (LO and BFO).
Originally designed as a cheap LARCSet mod to replace the LC oscillator, it derailed into a more general-purpose tool (for example as a signal generator). It was designed to be built with the minimum necessary to do such things. All you need is a rotary encoder, an I2C LCD, and the SI5351 module.
To build the rest of the receiver, all you need is 2 mixers (one for the first IF and the other for the product detector), a crystal filter (for SSB), some amplifiers, etc.
Special thanks to Mihai YO3CPR and Florin YO3FLX.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 11 | 10K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R2, R3, R7, R8, R9, R10, R11, R12, R13, R14 |
| 6 | 100n | Capacitor_SMD:C_0805_2012Metric | C1, C2, C3, C7, C8, C9 |
| 5 | SolderJumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm | JP1, JP2, JP3, JP8, JP9 |
| 4 | Conn_Coaxial_Small | Connector_Coaxial:SMA_Amphenol_132289_EdgeMount | J2, J3, J4, J5 |
| 3 | 10u | Capacitor_SMD:C_0805_2012Metric | C6, C10, C11 |
| 3 | SolderJumper_2_Bridged | Jumper:SolderJumper-2_P1.3mm_Bridged_Pad1.0x1.5mm | JP4, JP6, JP7 |
| 2 | 470n | Capacitor_SMD:C_0805_2012Metric | C4, C5 |
| 2 | BSS138 | Package_TO_SOT_SMD:SOT-23 | Q2, Q3 |
| 2 | Conn_01x15 | Connector_PinHeader_2.54mm:PinHeader_1x15_P2.54mm_Vertical | J6, J7 |
| 2 | RotaryEncoder_Switch_MP | Rotary_Encoder:RotaryEncoder_Alps_EC11E-Switch_Vertical_H20mm | SW1, SW2 |
| 1 | 4.7K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R6 |
| 1 | Arduino_Nano_v3.x | Module:Arduino_Nano | A1 |
| 1 | Conn_01x03_Socket | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J1 |
| 1 | NCP1117-5.0_SOT223 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U4 |
| 1 | PCF8574AT | Package_SO:SOIC-16W_7.5x10.3mm_P1.27mm | U1 |
| 1 | RT9193-33GB | footprints:SOT-23-5_RIT | U2 |
| 1 | R_Potentiometer | Potentiometer_THT:Potentiometer_Runtron_RM-065_Vertical | RV1 |
| 1 | SS8050 | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | Si5351A-B-GT | Package_SO:MSOP-10_3x3mm_P0.5mm | Y1 |
| 1 | SolderJumper_3_Open | Jumper:SolderJumper-3_P1.3mm_Open_Pad1.0x1.5mm | JP5 |
| 1 | WC1602A | Display:WC1602A | DS1 |
| 1 | ~ | Crystal:Crystal_SMD_2016-4Pin_2.0x1.6mm | U3 |
The 52 most common of 58 parts.
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It measures 149.5 × 45 mm and has 2 copper layers, 1.6 mm thick.
58 parts, built around the PCF8574AT, RT9193-33GB, BSS138 and SS8050. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
From the YO3DBZ/Radioduino repository on GitHub, at the commit this page was made from: the board is kicad/radioduino/radioduino.kicad_pcb and its schematic kicad/radioduino/radioduino.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask YO3DBZ before reusing the design.