Revision 1.0

Page 12 of 44

nRF24AP2-USB Product Specification

3

RF transceiver

All transceiver operations are controlled solely by the ANT protocol stack. Configuration of the ANT proto-

col stack occurs through a serial interface by issuing ANT commands to nRF24AP2-USB.

3.1

Features

Features of the RF transceiver include:

•

General

Worldwide 2.4 GHz ISM band operation

Common antenna interface in transmit and receive

GFSK modulation

1 Mbps on air data rate

•

Transmitter

Programmable output power: 0, -6, -12 or -18 dBm

•

Receiver

Integrated channel filters

-85 dBm sensitivity

•

RF Synthesizer

Fully integrated synthesizer

1 MHz frequency programming resolution

78 RF channels in the 2.4 GHz ISM band

Accepts low cost ± 50 ppm 16 MHz crystal

1 MHz non-overlapping channel spacing

3.2

Block diagram

Figure 4. on page 12 shows a block diagram of the RF transceiver in nRF24AP2-USB.

Figure 4. Internal circuitry of RF transceiver relative to ANT

RF receiver

ANT1

ANT2

ANT protocol stack

GFSK

modulator

PA

LNA

TX

filter

RX

filter

RF synthesizer

RF transmitter

GFSK

demodulator