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    • 3. 发明申请
    • OUTPUT STAGE FOR A DIGITAL RF TRANSMITTER, METHOD FOR PROVIDING AN RF OUTPUT SIGNAL IN A DIGITAL RF TRANSMITTER, AND DIGITAL RF TRANSMITTER
    • 用于数字RF发射机的输出级,用于在数字RF发射机中提供RF输出信号的方法和数字RF发射机
    • WO2009113000A2
    • 2009-09-17
    • PCT/IB2009050960
    • 2009-03-09
    • NXP BVHE XINCOLLADOS ASENSIO MANELPAVLOVIC NENADVAN SINDEREN JAN
    • HE XINCOLLADOS ASENSIO MANELPAVLOVIC NENADVAN SINDEREN JAN
    • H04B1/04
    • H04B1/0483
    • An output stage (1) for a digital RF transmitter is provided. The output stage comprises: an input adapted to receive an input signal (RFin, b7-b0) to be transmitted; a plurality N of power amplification sections (S1, S2, S3, S4); and an output (A, B) providing an output voltage signal. Each of the N power amplification sections (S1, S2, S3, S4) is arranged to receive the input signal (RFin, b7-b0) and comprises a transformer (T1, T2, T3, T4) adapted to provide a respective output signal. Each transformer comprises a primary stage and a secondary stage; the secondary stages of the transformers (T1, T2, T3, T4) of the N power amplification sections (S1, S2, S3, S4) are combined such that a combined output voltage signal of the output stage is provided. The N power amplification sections (S1, S2, S3, S4) are adapted such that the input signal (RFin, b7-b0) is latched by clock signals (clock1, clock2, clock3, clock4) comprising different phases.
    • 提供了一种用于数字RF发射器的输出级(1)。 输出级包括:适于接收要发送的输入信号(RFin,b7-b0)的输入; 多个N个功率放大部分(S1,S2,S3,S4); 以及提供输出电压信号的输出(A,B)。 N个功率放大部分(S1,S2,S3,S4)中的每一个被布置成接收输入信号(RFin,b7-b0),并且包括适于提供相应输出信号的变压器(T1,T2,T3,T4) 。 每个变压器包括初级和次级级; N个功率放大部(S1,S2,S3,S4)的变压器(T1,T2,T3,T4)的次级组合,从而提供输出级的组合输出电压信号。 N个功率放大部分(S1,S2,S3,S4)被适配成使得输入信号(RFin,b7-b0)被包括不同相位的时钟信号(clock1,clock2,clock3,clock4)锁存。