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This paper describes the development of a power device characterization curve tracer based on transient thermal measurement. Experimental test set ups along with the required conditions to mitigate the measurement errors are discussed. The measurement algorithms are implemented in LabVIEW environment as a set up controller. The junction temperature is maintained at the specified set point for carrying...
A new current mirror based all-pass, tunable phase shifter architecture is proposed in 0.18 um CMOS, after a brief introduction on phase shifter applications, and comparison between different implementation methods. In the new current-mode approach the cut-off frequency of transistor is the operational limit of the proposed phase-shifter architecture and power consumption for this design is 80 microwatts...
In this paper a new method to generate a high resolution Ka-band frequency synthesizer is presented. Using a DDS (direct digital synthesizer) as a central oscillator followed by a chain of precisely designed multipliers, a very high resolution and fast switching time Ka-band synthesizer with acceptable phase noise is achieved. The output power of Ka-band synthesizer is around -5 dBm all over 5 GHz...
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