METHODS AND DEVICES FOR REDUCING POWER CONSUMPTION AND INCREASING FREQUENCY OF OPERATIONS IN DIGITAL TO ANALOG CONVERTERS

    公开(公告)号:WO2021061144A1

    公开(公告)日:2021-04-01

    申请号:PCT/US2019/053339

    申请日:2019-09-27

    Abstract: A RFDAC comprising an array of unit-cell power amplifiers, wherein the array comprises a first plurality of unit-cell power amplifiers, a second plurality of unit-cell power amplifiers, and a third plurality of unit-cell power amplifiers; wherein the first plurality of unit-cell power amplifiers are configured to operate in accordance with a first clock; wherein the second plurality of unit-cell power amplifiers are configured to operate in accordance with a second clock; wherein the third plurality of unit-cell power amplifiers are configured to operate in accordance with the first clock or the second clock. The RFDAC also comprising a decoder configured to output the first clock and an enablement signal of the first clock for the first plurality; output the second clock and an enablement signal of the second clock for the second plurality; distinguish between the first clock and the second clock for the third plurality.

    RF SWITCHES FOR CAPACITIVE OSCILLATOR TUNING
    2.
    发明申请
    RF SWITCHES FOR CAPACITIVE OSCILLATOR TUNING 审中-公开
    用于电容式振荡器调谐的RF开关

    公开(公告)号:WO2018052630A1

    公开(公告)日:2018-03-22

    申请号:PCT/US2017/047134

    申请日:2017-08-16

    Abstract: Various designs for MOS transistor-based RF switch topologies for high speed capacitive tuning of oscillators switch circuits include a main switch device comprising a gate connected to a control terminal, a drain connected to a first terminal that is connected to the first capacitor, and a source connected to a second terminal that is connected to the second capacitor. The switch further comprises a first NMOS device having a gate connected to the main switch device gate, a source connected to a ground, and a drain connected to the first terminal. The switch further comprises a second NMOS device having a gate connected to the main switch device gate, a source connected to a ground, and a drain connected to the second terminal. The switch further comprises a pair of PMOS devices each having drains connected respectively to the first and second terminals.

    Abstract translation: 用于高速电容调谐振荡器开关电路的基于MOS晶体管的RF开关拓扑的各种设计包括主开关装置,其包括连接到控制端子的栅极,连接到第一端子的漏极, 连接到第一电容器,源极连接到连接到第二电容器的第二端子。 该开关还包括第一NMOS器件,该第一NMOS器件具有连接到主开关器件栅极的栅极,连接到地的源极以及连接到第一端子的漏极。 该开关还包括第二NMOS器件,该第二NMOS器件具有连接到主开关器件栅极的栅极,连接到地的源极以及连接到第二端子的漏极。 该开关还包括一对PMOS器件,每个器件的漏极分别连接到第一和第二端子。

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