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| 型号： | TRF3702IRHCG4 |
| 厂商： | Texas Instruments |
| 文件页数： | 7/39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： | 92 |
| 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： | 管件 |
| 配用： | TRF3702EVM-ND - TRF3702EVM |
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TRF3702
www.ti.com
SLWS149A – SEPTEMBER 2004 – REVISED AUGUST 2006
DEFINITIONS OF SELECTED SPECIFICATIONS (continued)
Unadjusted Sideband Suppression
This specification measures the amount by which the unwanted sideband of the input signal is attenuated in the
output of the modulator, relative to the wanted sideband. It is assumed that the baseband inputs delivered to the
modulator input pins are perfectly matched in amplitude and are exactly 90 ° out of phase. Unadjusted sideband
suppression is measured in dBc.
Adjusted (Optimized) Sideband Suppression
This differs from the unadjusted sideband suppression in that the baseband inputs are iteratively adjusted
around their theoretical values to maximize the amount of sideband suppression. Adjusted sideband
suppression is measured in dBc.
Suppressions Over Temperature
This specification assumes that the user has gone through the optimization process for the suppression in
question, and set the optimal settings for the I, Q inputs at T A = 25 ° C. This specification then measures the
suppression when temperature conditions change after the initial calibration is done.
Figure 1 shows a simulated output and illustrates the respective definitions of various terms used in this data
sheet. The graph assumes a baseband input of 50 kHz.
10
P OUT
0
?10
?20
3 RD LSB
(dBc)
SBS
(dBc)
CS
(dBc)
2 ND USB
(dBc)
?30
?40
?50
?60
LSB
USB
?70
3 RD LSB
(Undesired)
(Desired)
3 RD USB
?80
2 ND LSB
Carrier
2 ND USB
?200 ?150 ?100 ?50
0
50
100
150
200
f ? Frequency Offset ? kHz (Relative to Carrier)
G007
Figure 1. Graphical Illustration of Common Terms
TYPICAL CHARACTERISTICS
For all the performance plots in this section, the following conditions were used, unless otherwise noted:
VCC = 5 V, VCM = 3.7 V, P LO = 0 dBm, I and Q inputs driven differentially at a frequency of 50 kHz. In the case
of optimized suppressions, the point of optimization is noted and is always at nominal conditions and room
temperature. A level of >50 dBc is assumed to be optimized.
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相关代理商/技术参数 |
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| TRF3702IRHCR | 功能描述:调节器/解调器 1.5GHz-2.5GHz Quad Mod RoHS:否 制造商:Texas Instruments 封装 / 箱体:PVQFN-N24 封装:Reel |
| TRF3702IRHCRG4 | 功能描述:调节器/解调器 1.5GHz-2.5GHz Quad Mod RoHS:否 制造商:Texas Instruments 封装 / 箱体:PVQFN-N24 封装:Reel |
| TRF3703 | 制造商:TI 制造商全称:Texas Instruments 功能描述:0.4-GHz TO 4-GHz QUADRATURE MODULATOR |
| TRF3703_07 | 制造商:TI 制造商全称:Texas Instruments 功能描述:0.4-GHz TO 4-GHz QUADRATURE MODULATOR |
| TRF3703_08 | 制造商:TI 制造商全称:Texas Instruments 功能描述:0.4-GHz TO 4-GHz QUADRATURE MODULATOR |
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