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nRF21540

RF front-end module - Nordic

nRF21540 PDF File

Description

nRF21540 Product Specification v1.
0 4446_194 v1.
0 / 2020-08-20 Key features Key features: • Front-end module with RF PA and LNA ® • Supports Bluetooth Low Energy, IEEE 802.
15.
4, and proprietary applications • Max output power 22 dBm • Adjustable output power to ±1 dB from 5 to 21 dBm • User programmable modes for TX gain • Non-volatile memory storage for gain settings • Dual antenna port with antenna diversity support • Receive gain +13 dB • Single-ended 50 Ω matched input and output • 110 mA @ +20 dBm output power • 38 mA @ +10 dBm output power • Control interface via I/O, SPI, or a combination of both • Supply voltage 1.
7 to 3.
6 V, suitable for 1.
8 V ±5% systems • Operating temperature -40°C to 105°C • Package variant QFN16 4 x 4 mm Applications: • Smart Home applications • Industrial and factory automation • Asset tracking • Advanced CE remote controls • Sports and fitness • Toys • Medical • Beacons 4446_194 v1.
0 ii Contents Key features.
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ii 1 Revision history.
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5 2 About this document.
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6 2.
1 Document status .
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6 2.
2 Register tables .
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6 2.
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1 Fields and values .
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6 2.
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2 Permissions .
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7 2.
3 Registers .
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7 2.
3.
1 DUMMY .
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7 3 Product overview.
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8 4 Block diagram.
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9 5 Device control.
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10 5.
1 Operational st...

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nRF21540 RF front-end module - Nordic

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