参数资料
型号: TRF3702IRHCR
厂商: Texas Instruments
文件页数: 32/39页
文件大小: 0K
描述: IC QUADRATURE MODULATOR 16-VQFN
产品培训模块: RFID Technology and Applications
标准包装: 3,000
功能: 调制器
LO 频率: 1.5GHz ~ 2.5GHz
RF 频率: 1.5GHz ~ 2.5GHz
P1dB: 7dBm
底噪: -155dBm/Hz
输出功率: -2.5dBm
电流 - 电源: 170mA
电源电压: 4.5 V ~ 5.5 V
测试频率: 1.842GHz
封装/外壳: 16-VQFN 裸露焊盘
包装: 带卷 (TR)
配用: TRF3702EVM-ND - TRF3702EVM
TRF3702
www.ti.com
SLWS149A – SEPTEMBER 2004 – REVISED AUGUST 2006
APPLICATION INFORMATION (continued)
The TRF3702 can also be used for multicarrier applications, as is illustrated in Figure 75 . For a 4-carrier case at
a total output power of –16.7 dBm, an ACPR of almost 63 dBc can be reached. Figure 76 shows the ACPR
profile for a 4-carrier WCDMA application versus per-carrier channel power. Further improvements in
performance can be achieved by including a low-pass filter between the output of the DAC and the input to the
TRF3702, based on the frequency planning and specific requirements of a given design. The combination of the
TRF3702, the DAC568x, and the TRF3750 provides a unique signal-chain chipset capable of delivering
state-of-the-art levels of performance for the most challenging WCDMA applications.
FOUR-CARRIER WCDMA ACPR
vs
0
FOUR-CARRIER WCDMA ACPR PERFORMANCE
f LO = 2140 MHz
64
CHANNEL POWER (PER CARRIER)
?20
Total Carrier Power = ?16.7 dBm
ACPR = 62.8 dBc
63
ALT ACPR = 63.7 dBc
62
?40
61
?60
60
?80
59
?100
?120
58
57
2110
2120
2130
2140
2150
2160
2170
?30
?25
?20
?15
?10
f ? Frequency ? MHz
G069
Channel Power (Per Carrier) ? dBm
G070
32
Figure 75.
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Figure 76.
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