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MAX1479 Evaluation Kit
Component List (continued)
DESIGNATION QTY
DESCRIPTION
DESIGNATION QTY
DESCRIPTION
L2 (315MHz)
L2 (433MHz)
R1
R2
R3
R4
Antenna
(315MHz)
Antenna
(433MHz)
ANTENNA_OUT
BAT1
Battery
1
1
1
0
1
1
0
1
1
1
1
22nH ±5% inductor (0603)
Coilcraft 0603CS-22NXJB
18nH ±5% inductor (0603)
Coilcraft 0603CS-18NXJB
5k ? potentiometer
BC Components SM4W502
0 ? resistor (0603), any,
not installed
5.1 ? ±5% resistor (0603), any
0 ? resistor (0603), any
315MHz 1/4-wave whip antenna,
not provided
Lynx ANT-315-CW-RH
433MHz 1/4-wave whip antenna,
not provided
Lynx ANT-433-CW-RH
RP-SMA connector
Linx CONREVSMA001
Battery holder
MPD BA2032
Coin-cell battery
Panasonic BR2032
REF_IN
RF_OUT
U1
VDD, VSS,
ENABLE,
DATA_IN,
CKOUT
Y1 (315MHz)
Y1 (433MHz)
—
—
1
1
1
5
1
1
10
1
SMA connector top mount, not installed
Digi-Key J500-ND
Johnson 142-0701-201
SMA connector top mount
Digi-Key J500-ND
Johnson 142-0701-201
MAX1479ATE
Test points
Mouser 151-203 or equivalent
Crystal 9.84375MHz
Hong Kong Crystal
SSL9843750E03FAFZ800 or
Crystek 017000
Crystal 13.56MHz
Hong Kong Crystal
SSM1356000E03FAFZ800 or
Crystek 017001
Shunt (JU1)
Digi-Key S9000-ND or equivalent
MAX1479 EV kit PC board
Connections and Setup
Component Suppliers
This section provides a step-by-step guide to operating
the EV kit and testing the device’s functionality. Do not
SUPPLIER
Coilcraft
Crystek
Hong Kong Crystal
PHONE
800-322-2645
800-237-3061
852-2412-0121
FAX
847-639-1469
941-561-1025
852-2498-5908
turn on the DC power until all connections are made:
1) Connect a DC supply set to +3.0V, through an
ammeter, to the VDD and VSS terminals on the EV
kit. Do not turn on the supply.
Murata 800-831-9172 814-238-0490
Note: Indicate you are using the MAX1479 when contacting
these manufacturers.
Quick Start
The following procedure allows for proper device
evaluation.
Required Test Equipment
2) Connect the RF_OUT SMA connector to the spec-
trum analyzer. Set the analyzer to a center frequency
of 315MHz (or 433.92MHz) and a span of 1MHz.
3) Turn on the DC supply. The spectrum analyzer
should display a peak of about +10dBm at
315MHz (or 433.92MHz).
4) Disconnect the spectrum analyzer and connect
the power meter instead. Measure the output
power and also the current draw.
?
?
?
?
Regulated power supply capable of providing +3.0V
Spectrum analyzer such as the Agilent 8562E
Optional ammeter for measuring supply current
Power meter such as the Agilent EPM-441A
5) Calculate the efficiency. This is done using the
following equation:
Efficiency = 10? (P OUT /10)/(V x I)
For example, for a +10.8dBm output, and a
10.9mA (at 3.0V) current, the efficiency is 37%.
2
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相关代理商/技术参数
MAX1479EVKIT-433 功能描述:射频开发工具 MAX1479 Eval Kit RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V
MAX147ACAP 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX147ACAP+ 功能描述:模数转换器 - ADC 12-Bit 8Ch 133ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX147ACAP+T 功能描述:模数转换器 - ADC 12-Bit 8Ch 133ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX147ACAP-T 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
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