Project Description

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Project description
Radio Frequency (RF) Transceiver - Based on Texas Instruments chip CC110L; - Receive and Transmit capabilities (64-Byte RX and TX FIFO); - Tuned to work at 433MHz, but can be changed to other frequency bands (from 300 to 928MHz), please refer to datasheet for detailed information; - 2-FSK, 4-FSK, GFSK, MSK, and OOK Supported; - Schematics and PCB layout based on the design reference from TI CC110L; - The crystal oscillator capacitors were calculated using the datasheet as reference (Load capacitance = 8pF); PCB considerations: - 2 layers board; - 10 mils trace width for power; - 16 mils trace for antenna; - 6 mils for all other traces; - 6 mils minimum clearance for copper to copper; - Via with 13 mils hole and 7 mils annular ring; - All vias below components have solder mask to prevent short circuit when reflowing/soldering SMD components; - CC110L footprint based on Texas Instruments reference design and documentation; Antenna considerations: - Be aware that the ground plane total area and shape modifies the antenna performance. Therefore, after integrating this PCB to your own design, consider building a prototype to evaluate the antenna performance. - It is important to keep the size of the antenna keepout (please refer to the datasheet for more information); - Alternatively, you can change the antenna to whatever you want/need (for instance - PCB pattern antenna or dipole antenna), just remember to match the impedances from the chip pins to the antenna, that usually is 50ohms MODULE Pins description: - 1 - VDD - Power supply input (1.8V - 3.6V). - 2 - GND (0V). Digital I/Os: - 3 - GDO0 - Digital I/O - Digital output pin for general use: •Test signals •FIFO status signals •Clear channel indicator •Clock output, down-divided from XOSC •Serial output RX data •Serial input TX data - 5 - GDO2 - Digital OUT - Digital output pin for general use: •Test signals •FIFO status signals •Clear channel indicator •Clock output, down-divided from XOSC •Serial output RX data Serial Interface: 4 - SO/GDO1(MISO) - Digital OUT - Serial configuration interface, data output ; optional general output pin when CSn is high; 6 - SI(MOSI) - Digital IN - Serial configuration interface, data input; 7 - SCLK - Digital IN - Serial configuration interface, clock input; 8 - CSn(SS) - Digital IN - Serial configuration interface, chip select (please refer to datasheet for detailed information); Technical documents/information about the CC110L: - http://datasheet.octopart.com/CC110LRGPR-Texas-Instruments-datasheet-26769718.pdf - http://www.ti.com/tool/CC110LEM-433-RD#Technical Documents
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Design Files

Embed Code
Component (22)
Qty
Description
Capacitor

C12

1
Generic Capacitor (220pF)
Capacitor

C15, C16

2
Generic Capacitor (0.1uF)
Capacitor

C1

1
Generic Capacitor (0.1uF)
Capacitor

C8

1
Generic Capacitor (3.9pF)

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