A Switch-Based ASK Modulator for 10 Gbps 135 GHz Communication by 0.13 $\mu{\rm m}$ MOSFET

A switch-based ASK modulator implemented by 0.13 μm MOSFET for 135 GHz wireless communication with 10 Gbps data rate is presented. With the MOSFETs working in on/off-states, the proposed modulator can be respectively viewed as a signal-stop/signal-pass circuit at the operation frequency. Thus, the circuit can ensure constant input return-losses which minimize its input impedance variation and keep transmitter signal source with high stability. The experimental results revealed an insertion loss of 4.3 dB at 135 GHz and an isolation of better than 12.5 dB from 125 to 145 GHz. A wireless transmission achieving up to 10 Gbps at 135 GHz using proposed modulator is demonstrated.