All Stories

  1. Reconfigurable 4 × 4 multi-port amplifier with switchable input and output matrices
  2. Analysis of multi-port amplifier calibration for optimal magnitude and phase error detection
  3. Automatic resonant frequency matching of power amplifier by transformer loop sampling
  4. Six-port QPSK demodulator for optimal K-band multiport amplifier calibration
  5. Balanced MMIC QPSK modulator with low amplitude and phase errors
  6. Four‐port balanced antenna feeding network for switchable polarizations and stable Tx/Rx isolation characteristics