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参数资料
| 型号： | MC33493MOD434 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 13/22页 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION FOR MC33493 TX |
| 标准包装： | 1 |
| 类型： | 发射器 |
| 适用于相关产品： | MC33493 434MHz 射频模块 |
| 所含物品： | 模块和其他硬件 |
Output Power Measurement
11
Output Power Measurement
The RF output levels given in Section 9, “Electrical Characteristics ,” are measured with a 50 Ω load directly connected to the
RFOUT pin, as shown below in Figure 9 . This wideband coupling method gives results independent of the application.
VCC
Impeder: TDK MMZ1608Y102CTA00
RFOUT
RF output
100 pF
R L = 50 W
Figure 9. Output Power Measurement Configurations
The configuration shown in Figure 10 (a) provides better efficiency in terms of output power and harmonics rejection. The
schematic on Figure 10 (b) gives the equivalent circuit of the RFOUT pin and the DC bias impeder as well as matching network
components for 434 MHz frequency band.
VCC
Impeder: TDK MMZ1608Y102CTA00
(a)
RFOUT
Matching
Network
RF output
R L =50 Ω
Matching
Network
(b)
C 0 R 0
1.5 pF 250 Ω
RFOUT pin
L 1
39 nH
3 k Ω
R i
Impeder
C 3
330pF
R L
Load
50 Ω
Figure 10. Output Model and Matching Network for 434 MHz Band
PLL Tuned UHF Transmitter for Data Transfer Applications, Rev. 1.7
Freescale Semiconductor
13
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC33493MOD434EV | 功能描述:开发板和工具包 - 无线 MC33493 (TANGO3) RF EVAL RoHS:否 制造商:Arduino 产品:Evaluation Boards 工具用于评估:AT32UC3L 核心:AVR32 频率: 接口类型:USB 工作电源电压:5 V |
| MC33493MOD868EV | 功能描述:开发板和工具包 - 无线 MC33493 (TANGO3) RF EVAL RoHS:否 制造商:Arduino 产品:Evaluation Boards 工具用于评估:AT32UC3L 核心:AVR32 频率: 接口类型:USB 工作电源电压:5 V |
| MC3350-041-91 | 制造商:SPC Multicomp 功能描述:ROCKER SWITCH DPDT CTR OFF 制造商:SPC Multicomp 功能描述:ROCKER SWITCH, DPDT, CTR OFF 制造商:SPC Multicomp 功能描述:SWITCH, ROCKER, DPDT, 15A, 250V, BLACK; Contact Configuration:DPDT; Switch Operation:On-Off-On; Contact Current Max:10A; Contact Voltage AC Nom:250V; Contact Voltage DC Nom:250V; Switch Mounting:Panel; Actuator / Cap Color:Black ;RoHS Compliant: Yes |
| MC3350-041-91 | 制造商:SPC Multicomp 功能描述:SWITCH ROCKER DPDT CTR OFF |
| MC33501SNT1 | 功能描述:运算放大器 - 运放 1-7V Single Rail to RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
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