射频合成器凭借其内部锁相环，从单个（通常较低）的参考频率生成宽范围的高频率。 通过 SPI 接口访问器件中的数字寄存器来控制输出频率。 输出频率是由相对于输入信号的分数或整数比率产生的。

瑞萨电子提供具有超低相位噪声和低杂散的射频合成器，这可解决射频板设计中高性能混频器、调制器和解调器的频率生成难题。 射频合成器还可用于直接为高速射频转换器 (ADC/DAC) 提供时钟参考。 输出频率范围包含低 MHz 至 18GHz。

此类器件带有集成式压控振荡器 (VCO)，并具有较大的调谐范围，可提供多频段本机振荡器 (LO) 频率合成，从而能够减少对多个窄带射频合成器的需要。 这降低了物料费用和设计复杂性，同时也降低了开发射频产品的成本。 其提供各种解决方案，可以应对射频板设计中高性能混频器和解调器的频率生成难题。

时钟和时序

产品选型表

    Processing table
    器件号
    Function
    Grade
    Input Freq (MHz)
    Output Freq Range (MHz)
    Synthesis Mode
    Output Power Range (dBm)
    Supply Voltage (V)
    Power Consumption Typ (mW)
    Pkg. Type
    Temp. Range
    105°C Max. Case Temp.
    8V97003
    Wideband 18GHz RF and Microwave Synthesizer    		 Wideband RF synthesizer w/integrated VCO 5G 10 - 1000 171.875 - 18000 Fractional, Integer -2 - 13 3.3 VFQFPN -40 to 85°C (Tc ≤ 105°C) Yes
    8V97051A
    Low Power Wideband Fractional RF Synthesizer    		 Wideband RF synthesizer w/integrated VCO GSM900 5 - 310 34.375 - 4400 Fractional, Integer -4 - 7 3.3 380 VFQFPN -40 to 85°C (Tc ≤ 105°C) Yes
    8V97051L
    Low Power Wideband Fractional RF Synthesizer    		 Wideband RF synthesizer w/integrated VCO GSM900 5 - 310 34.375 - 4400 Fractional, Integer -4 - 7 3.3 380 VFQFPN -40 to 85°C (Tc ≤ 105°C) Yes
    8V97052
    High Performance Wideband Fractional RF Synthesizer / PLL    		 Wideband RF synthesizer w/integrated VCO GSM1800 5 - 310 34.375 - 4400 Fractional, Integer -4 - 7 3.3 380 VFQFPN -40 to 85°C (Tc ≤ 105°C) Yes
    8V97053L
    High Performance Wideband Fractional RF Synthesizer / PLL    		 Wideband RF synthesizer w/integrated VCO GSM1800 5 - 310 34.375 - 4400 Fractional, Integer -4 - 7 3.3 380 VFQFPN -40 to 85°C (Tc ≤ 105°C) Yes
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    文档

    文档标题 类型 日期
    RF Product Selection Guide
    PDF2.19 MB
    指南
    RF Timing Family Product Overview
    PDF331 KB
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