双通道、低功耗PLL频率合成器

ADF4212L是一款双通道频率合成器，可以用来在无线接收机和发射机的上变频和下变频部分实现本振(LO)。该器件可以为射频(RF)和中频(IF)部分提供LO。它由低噪声数字鉴频鉴相器(PFD)、精密电荷泵、可编程参考分频器、可编程A和B计数器以及双模预分频器(P/P+1)组成。A（6位）、B（12位）计数器与双模预分频器(P/P+1)配合，可实现N分频器(N = BP + A)。此外，14位参考分频器（R分频器）允许PFD输入端的REFIN频率为可选值。如果频率合成器与外部环路滤波器和电压控制振荡器(VCO)一起使用，则可以实现完整的锁相环(PLL)\n\n 所有片内寄存器均通过1. • 总IDD： 7.5 mA\n• RF/IF带宽：2.4 GHz/1.0 GHz\n• 2.7 V至3.3 V电源供电\n• 独立的电荷泵电源VP可提供扩展的调谐电压\n• 可编程双模预分频器RF和IF：8/9、16/17、32/33、64/65;

Dual Low Power PLL Frequency Synthesizer

文件：245.23 Kbytes Page：20 Pages

Dual Low Power PLL Frequency Synthesizer

文件：390.24 Kbytes Page：28 Pages

Dual Low Power PLL Frequency Synthesizer

文件：245.23 Kbytes Page：20 Pages

封装/外壳：20-WFQFN 裸露焊盘，CSP 包装：卷带（TR） 描述：IC PLL FREQ SYNTHESIZER 20LFCSP 集成电路（IC） 时钟发生器，PLL，频率合成器

封装/外壳：20-WFQFN 裸露焊盘，CSP 包装：卷带（TR） 描述：IC PLL FREQ SYNTHESIZER 20LFCSP 集成电路（IC） 时钟发生器，PLL，频率合成器

Dual Low Power PLL Frequency Synthesizer

文件：245.23 Kbytes Page：20 Pages

CMOS LOW VOLTAGE HIGH SPEED QUAD PRECISION ANALOG SWITCHES

GENERAL DESCRIPTION The ALD4211/ALD4212/ALD4213 are quad SPST CMOS analog switches specifically designed for low voltage, high speed applications where 0.2pC charge injection, 200pf sampling capacitor, and picoamp leakage current are important analog switch operating characteristics. These anal

CMOS LOW VOLTAGE HIGH SPEED QUAD PRECISION ANALOG SWITCHES

GENERAL DESCRIPTION The ALD4211/ALD4212/ALD4213 are quad SPST CMOS analog switches specifically designed for low voltage, high speed applications where 0.2pC charge injection, 200pf sampling capacitor, and picoamp leakage current are important analog switch operating characteristics. These anal

Silicon NPN epitaxial planer transistor

Silicon NPN epitaxial planar type For digital circuits ■ Features • Costs can be reduced through downsizing of the equipment and reduction of the number of parts • New S type package, allowing supply with the radial taping

Silicon NPN epitaxial planer transistor

Silicon NPN epitaxial planer transistor For switching/digital circuits ■ Features ● Two elements incorporated into one package. (Transistors with built-in resistor) ● Reduction of the mounting area and assembly cost by one half. ■ Basic Part Number of Element ● UNR1212 (UN1212)× 2 elemen

Silicon NPN epitaxial planer transistor

Silicon NPN epitaxial planar type For switching/digital circuits ■ Features • Two elements incorporated into one package (Transistors with built-in resistor) • Reduction of the mounting area and assembly cost by one half