RF-input load modulated balanced amplifier

    公开(公告)号:US10404224B2

    公开(公告)日:2019-09-03

    申请号:US15828353

    申请日:2017-11-30

    Abstract: In various implementations of a load modulated balanced amplifier (LMBA), a control signal is generated (e.g., automatically generated) based at least in part on an input signal. The LBMA generally comprises a balanced amplifier, an input splitter, and a control path. A common theme of the different variants described below is that we use a nonlinear characteristic to generate a power-dependent asymmetry in the relative output power levels of the balanced and control amplifiers. This power-depended asymmetry results in dynamic load modulation of the balanced amplifiers, which in turn provides improved efficiency. In one implementation, for example, an LMBA comprises a pair of primary amplifiers collectively providing a balanced amplifier and a control amplifier coupled to the balanced amplifier and adapted to provide a control signal to the balanced amplifier. The control amplifier is adapted to automatically generate the control signal based at least in part upon the input signal to provide load modulation of the balanced amplifier.

    Virtually Resilient Simulator
    189.
    发明申请

    公开(公告)号:US20190180637A1

    公开(公告)日:2019-06-13

    申请号:US16215149

    申请日:2018-12-10

    Inventor: Meredith Mealer

    Abstract: Various embodiments of the present technology generally relate to virtual and augmented reality simulations. More specifically, some embodiments of the present technology generally relate to virtual and augmented reality simulations to improve resiliency for healthcare clinicians. Some embodiments provide for a VR training system to allow a realistic, immersive and safe environment for students or other trainees to encounter traumatic experiences. Exposure to trauma in a safe environment offers the opportunity for new and seasoned individual to build resilient skills through cognitive flexibility and reframing thus alleviating symptoms of burnout, PTSD, anxiety and depression that is caused by the work environment and critical encounters. The participant can be the ‘player’ within simulation hosting multiple virtual characters and/or multiple other ‘players’ for team building and organizational resilience.

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