Keyword Analysis & Research: makerfire nrf24l01


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What is the nRF24L01?

The nRF24L01 is a single chip 2.4GHz transceiver with an embedded baseband protocol engine (Enhanced ShockBurst™), designed for ultra low power wireless applications. The nRF24L01 is designed for operation in the world wide ISM frequency band at 2.400 - 2.4835GHz.

What is the settling time for nRF24L01 in power down mode?

When nRF24L01 is in power down mode it must settle for 1.5ms before it can enter the TX or RX modes. If an external clockis used this delay is reduced to 150µs, see Table 13. on page 22. The settling time must be controlled by the MCU.

What is the PA control on the nRF24L01 power amplifier?

The PA control is used to set the output power from the nRF24L01 power amplifier (PA). In TX mode PA control has four programmable steps, see Table 14. The PA control is set by the RF_PWR bits in the RF_SETUP register. Conditions: VDD= 3.0V, VSS= 0V, TA = 27ºC, Load impedance = 15Ω+j88Ω.

What are the load capacitance requirements for the nRF24L01?

The requirement of load capacitance CLis only set by the MCU when the MCU drives the nRF24L01 clock input. The frequency accuracy of ±60ppm is still required to get a functional radio link. The nRF24L01 loads the crystal by 1pF in addition to the PCB routing. 10.3.2 Input crystal amplitude and current consumption


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