The authors describe a subharmonically pumped QPSK modulator and demodulator using pairs of beam-leaded Schottky diodes and appropriate high-pass and low-pass filters on dielectric substrates. A ...

This paper presents design and characterization of D-band (110-170 GHz) monolithic microwave integrated quadrature up- and down-converting mixer circuits with on-chip RF and local oscillator (LO) ...

This is the reverse modulation loop demodulation QPSK signal is the key, but also the most difficult to grasp the actual. Based on the above three kinds of carrier recovery loops, it can be seen that ...

This experiment demonstrates the practical implementation of BPSK using RF front-end components. It includes the generation of a BPSK signal, its transmission over a wireless channel, and reception ...