Linear tunable resistance circuit using gallium arsenide MESFETs

Linear tunable resistance circuit using gallium arsenide MESFETs

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Designs for linearised, linearly tunable grounded and floating resistance circuits using GaAs depletion-mode MESFETs are presented. Simulations confirm good linearity and admittance characteristics up to 10 GHz. Applications include tunable filters, oscillators and high-precision amplifier loads.


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