Datasheet > NRF902

NRF902

更新时间： 2022-11-24 21:40:20

品牌	Logo	应用领域
其他 - ETC		/
页数	文件大小	规格书
13页	160K
描述
Single chip 868 MHz Transmitter

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数据手册

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NRF902 数据手册

PRELIMINARY PRODUCT SPECIFICATION

nRF902 Single chip 868 MHz Transmitter

BLOCK DIAGRAM

Crystal

C l o c k

Oscillator

D i v i d e r

xtal

X O 8

1 /8

F S K

Frequency synthesizer

L o o p

Filter

V C O

P o w e r

A m p lifier

P h a s e

Detector

a n t 1

a n t 2

Prescaler

1 /64

R E X T

Figure 1. nRF902 block diagram

PIN FUNCTIONS

Name

Pin function

Description

xtal

Input

Output

Input

Crystal pin / Power Up

REXT

XO8

VDD

FSK

ant2

Power adjust / Clock Mode / ASK modulation digital input

Reference Clock Output (Crystal Frequency / 8)

Positive Supply (2.4 - 3.6V)

Digital Data Input

Antenna output 1

Antenna output 2

Input

Power/Output

Power

ant1

VSS

Ground (0V)

Table 2. nRF902 pin functions

PIN ASSIGNMENT

xtal

VSS

ant1

ant2

FSK

nRF902

REXT

XO8

VDD

Figure 2. nRF902 pin assignment

Nordic VLSI ASA

Revision: 1.0

Vestre Rosten 81, N-7075 Tiller, Norway

Phone +4772898900

Fax +4772898989

April 2000

Page 2 of 13

123 4 5 6 7...13

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