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W7020 데이터시트 PDF




Lucent에서 제조한 전자 부품 W7020은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 W7020 자료 제공

부품번호 W7020 기능
기능 Bluetooth Radio Module
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W7020 데이터시트, 핀배열, 회로
www.DataSheet4U.com
Preliminary Data Sheet
September 2000
W7020 Bluetooth* Radio Module
Features
+ Complete Bluetooth RF solution
+ Compliant with Bluetooth specification version 1.0
+ Highly integrated module including an RF
transceiver IC, antenna filter, and transmit/receive
baluns
+ 0 dBm output power at 50
+ 2.7 V operation enabling long battery life
+ 3.2 kHz low-power idle-mode clock
n Digital receive signal strength indicator (RSSI)
n Small-outline module ceramic land grid array
(MCLGA) package (9.7 x 14.0 x 1.6 mm)
Applications
n Cellular phones
n PCs and peripherals
n PDAs
n Consumer appliances
2402 MHz to 2495 MHz
0 dBm/–70 dBm
RX BALUN
ANTENNA
FILTER
ANTENNA
SWITCH
TX BALUN
135°
LNA
90° φ
S
RadTioXASIC
AMPLIFIER
45°
VCO
BUFFER
GLPF
LIMITER
DISCRIMINATOR
RECEIVER
DATA OUT
CLOCK
GENERATION
13 MHz
1 MHz
3.2 kHz
INTEGER N
PLL
13 MHz
XTAL
W7020 RADIO MODULE
TANK
LPF
NOTE: SHADED AREA
IS EXTERNAL TO MODULE
TRANSMITTER
DATA IN
Figure 1. Circuit Block Diagram
*Bluetooth is a trademark of Telefonaktiebolaget LM Ericsson.
UNLOCK PLL




W7020 pdf, 반도체, 판매, 대치품
W7020 Bluetooth Radio Module
Preliminary Data Sheet
September 2000
Description (continued)
As shown in Figure 3, the antenna filter bandpass filters the radio signal to the antenna switch. The switch directs
the signal to the RX balun or from the TX balun. The RX balun performs the transformation from unbalanced to
balanced for the RX signal and connects to the low-noise amplifier (LNA). The LNA is followed by an image
rejection mixer, so no additional image filter is needed before the mixer. The IF signal out of the mixer is filtered
by a bandpass filter and followed by a limiting amplifier and frequency discriminator, giving the RX data output.
This discriminator output is offset-corrected. The receiver IF and detection circuits are all integrated, requiring no
external components. The RSSI level is available digitally through the serial interface.
The transmitter path utilizes direct modulation of the TX data-bit stream onto the VCO. The TX data is shaped by
the Gaussian filter and then is applied to the VCO tank. The VCO is buffered internally and driven to the TX
balanced output through another amplifier stage. The TX balun performs the transformation of the balanced to
unbalanced signal and connects to the antenna switch.
The VCO frequency operating in the 2.4 GHz ISM band is controlled by the phase-locked loop (PLL) synthesizer
through the loop filter. The reference clock oscillator is provided so that only a crystal resonator needs to be
added externally to the module, or the reference clock input can be overdriven with an external signal such as
from a TCXO or VCXO. The frequency accuracy requirement is ±20 ppm.
11 10
9
8
7
6
5
4
3
2
1
NC 12
GND 13
GND 14
GND 15
GND 16
ANT 17
SWITCH
RX
BALUN
TX
BALUN
LOOP VCO
FILTER TANK
ANTENNA
FILTER
XO
LNA
BPF DISC
TX
AMP
Φ
GLPF
LO
PLL
34 SYS_CLK
33 SYS_CLK_REQ
32 PX_ON
31 LPO_CLK
30 POR
29 SI_CDO
18 19 20 21 22 23 24 25 26 27 28
Figure 3. Module Block Diagram with Pinout
4 Lucent Technologies Inc.

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W7020 전자부품, 판매, 대치품
Preliminary Data Sheet
September 2000
W7020 Bluetooth Radio Module
Operating Range
Performance is not guaranteed over the full range of all conditions possible within this table. However, it lists the
ranges of external conditions in which the W7020 provides general functionality, which may be useful in specific
applications, without risk of permanent damage. The conditions for guaranteed performance are described in the
Electrical Characteristics section.
Parameter
Operating Temperature
External Reference Clock Input Level
Nominal Operating Voltage
Min Typ Max Unit
–35 25 85 °C
0.4 — 2.0 Vp-p
2.7 — 3.6 V
Operating Conditions
Parameter
Frequency Range
Reference Clock Frequency
External Reference Clock Level*
Supply Voltage
Antenna Load (VSWR 2.0)
Operating Temperature
* Optional overdrive on XO_N pin, ac-coupled.
Min
2.402
12.999740
0.4
2.7
25
–30
Typ
13.000000
2.8
50
25
Max
2.495
13.000260
1.0
3.0
100
75
Digital Inputs/Outputs
Parameter
Logical Input Low (0)
Logical Input High (1)
Input Leakage Current
Input Capacitance
Crystal Input Capacitance (XO_IN)
Rise/Fall Time of Digital Inputs
Logical Output Low (0)
Logical Output High (1)
LPO Clock Frequency, Trimmed
LPO Clock Frequency Tolerance
† Adjusted to 3.2 kHz by the baseband circuit.
Min Typ Max Unit
–0.3
0 0.2 * VCC V
0.8 * VCC VCC VCC + 0.3 V
— — 5 µA
— — 15 pF
— 2.5 —
pF
— — 20 ns
— 0 0.4 V
VCC – 0.4 VCC
V
— 3.2 — kHz
±250
ppm
Unit
GHz
MHz
Vp-p
V
ºC
Lucent Technologies Inc.
7

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관련 데이터시트

부품번호상세설명 및 기능제조사
W7020

Bluetooth Radio Module

Lucent
Lucent

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