High-speed ADC parallel-serial conversion circuit
A serial conversion and circuit technology, which is applied in the field of high-speed ADC parallel-serial conversion circuit, can solve the problems of high production cost and large occupied area, and achieve the effect of reducing circuit power consumption, circuit area and power consumption
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[0018]Example 1
[0019]A high speed ADC and string conversion circuit, including a clock reset management unit, n timing control unit, and data selection output unit, the present embodiment as N = 4 as an example, a specific structurefigure 1 .
[0020]The clock reset management unit CRMU provides clock signals and reset signals for each timing control unit, and the clock block diagram is likefigure 2 As shown, the main clock CLK produces a channel working clock CLK_DIG_MASTER_CH2, CLK_DIG_MASTER_CH3, CLK_DIG_MASTER_CH3, CLK_DIG_MASTER_CH3, CLK_DIG_MASTER_CH3, CLK_DIG_MASTER_CH3, CLK_DIG_MASTER_CH3, CLK_DIG_MASTER_CH3, CLK_DIG_MASTER_CH3, CLK_DIG_MASTER_CH3. Four-channel operation clock generated by frequency division, respectively, after 2 clk_dig_sar_i_ch1, clk_dig_sar_i_ch2, clk_dig_sar_i_ch3, clk_dig_sar_i_ch4; after 2 frequency and phase generating clk_dig_sar_q_ch1, clk_dig_sar_q_ch2, clk_dig_sar_q_ch3, clk_dig_sar_q_ch4.
[0021]The channel working clock of each timing control un...
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