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Given: three clamped NMOS transistors in series with Vcc at the beginning. The output of the final one went into the source of a PFET, with the drain tied to ground and the gate tied to some voltage, I forget exactly what. I was asked to label the voltage at each node, and then which state the PFET was in.
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Product Engineer

Interviewed at Micron Technology

3.9
Feb 9, 2012

Given: three clamped NMOS transistors in series with Vcc at the beginning. The output of the final one went into the source of a PFET, with the drain tied to ground and the gate tied to some voltage, I forget exactly what. I was asked to label the voltage at each node, and then which state the PFET was in.

1. MIMO Systems- explain the benefits of 2Tx/1RX vs 1Tx/2Rx 2. 10 wires with each having 2 ends are inside a bag. 2 ends can be connected to form 1 notch. The total number of possible notices are 1 to 10. Find the expected value of possible number of notches. Explain the process. 3. Given a PDF with an exponential distribution of lambda(e^-lambda x) explain how to find lambda given ten independent observation points. 4. given a complex system of -1 to +1 KHz, determine the Nyquist rate and what under what conditions will aliasing occur. If the bandwidth was triangular shaped, what will the resulting shape be when Fs is 2 KHz.
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Modem Systems Engineer

Interviewed at Qualcomm

3.8
Apr 20, 2016

1. MIMO Systems- explain the benefits of 2Tx/1RX vs 1Tx/2Rx 2. 10 wires with each having 2 ends are inside a bag. 2 ends can be connected to form 1 notch. The total number of possible notices are 1 to 10. Find the expected value of possible number of notches. Explain the process. 3. Given a PDF with an exponential distribution of lambda(e^-lambda x) explain how to find lambda given ten independent observation points. 4. given a complex system of -1 to +1 KHz, determine the Nyquist rate and what under what conditions will aliasing occur. If the bandwidth was triangular shaped, what will the resulting shape be when Fs is 2 KHz.

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