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Recent content by shruthi08

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    Effect of Gds on Gain

    Thank you guys, I have done input and output impedance matching in the test bench(below). I followed the suggestions given above and realised a gain of 7dB. - - - Updated - - - I found another discrepency wrt to the gain analysis for S21 and S31. My RFout1 and RFout2 ports should be equal...
  2. S

    Effect of Gds on Gain

    Thank you everyone for pointing out where im going wrong. I will check the bias voltages again and make sure the transistors are well in saturation.
  3. S

    Effect of Gds on Gain

    Hello I am designing a differential active balun at 28GHz frequency with pmos as load instead of resistors to increase the gain. After DC simulations I have gds = 17.83mS and a gain of 0dB. The circuit has been matched at the input and output. Are there methods to decrease the value of gds...
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    Doubly balanced Gilbert Cell Mixer

    Hello Frankrose, Sorry for not mentioning the frequency of operation. I am designing the Mixer at 2.4GHz. I will take all the points you have mentioned and work on designing a better mixer. Thank you Regards
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    Doubly balanced Gilbert Cell Mixer

    Hello BigBoss, Thank you for the ideas. I had a strong feeling about the inductors being too high. This is one way to increase the voltage conversion gain as seen in many IEEE papers. As suggested I will try to use the tank circuit for the load. The reason I included resistor at the load is...
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    Doubly balanced Gilbert Cell Mixer

    Hello Forum, I am working on the design of a Gilbert Cell Mixer. My Goals are: 1. Vdd should be 1V 2. Total current Idd approximately equal to 500µA-1mA 3. Voltage Conversion gain >= 6dB I have achieved this with the circuit attached below. With inductive degeneration at the source of Gain...
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    Doubly balanced Gilbert Cell Mixer(2.4GHz)

    Hello Forum, I am working on the design of a Gilbert Cell Mixer with reference to (https://pdfs.semanticscholar.org/74fb/3b545a3bbb080ae460218e861d2bbd34dd1d.pdf) My Goals are: 1. Vdd should be 1V 2. Total current Idd approximately equal to 500uA-1mA 3. Voltage Conversion gain >= 6dB Width...
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