Tessolve Semiconductor Hardware Engineer Interview Questions and Answers

Basic ece ques and apti

Q1. What are flip flops and latches
Ans. 
Flip flops and latches are sequential logic circuits used in digital electronics to store and transfer data.
• Flip flops are clocked circuits that store one bit of data, while latches are level-sensitive circuits that store data as long as the enable signal is active.

• Flip flops are edge-triggered, meaning they change state on a clock edge, while latches are level-triggered, changing state as long as the enable signal is ...read more
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Q2. Verilog projects
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Questions on dgital electronics and circuits

Q1. Questions on digital electronics , STA and FSM and Verilog
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Q1. What kind FPGAs used, tell me difference
Ans. 
FPGAs are Field-Programmable Gate Arrays used in hardware design. They can be categorized as SRAM-based, Flash-based, or Antifuse-based.
• SRAM-based FPGAs are volatile and require reprogramming every time they power up. Examples include Xilinx Virtex series.

• Flash-based FPGAs are non-volatile and retain their configuration even when powered off. Examples include Actel ProASIC3 series.

• Antifuse-based FPGAs are OTP (One-Time...read more
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Q2. Calculation of Decoupling analysis
Ans. 
Decoupling analysis involves calculating the required capacitance to maintain stable voltage levels in a circuit.
• Decoupling analysis is essential for ensuring stable power supply in electronic circuits.

• It involves calculating the amount of capacitance needed to filter out noise and maintain voltage levels.

• Decoupling capacitors are placed strategically in a circuit to provide this filtering effect.

• The formula for calcul...read more
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Digital Electronics, CMOS, Aptitude, C programming

Q1. Verilog, VLSI Design Flow, CMOS basics
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Aptitude, Digital Electronics.

Given all king of aptitude part

Q1. Analog and digital electronics
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Q2. Draw the bode plot for CS amplifier
Ans. 
Bode plot for CS amplifier shows gain and phase response with frequency.
• Bode plot consists of two plots - one for gain (in dB) and one for phase shift (in degrees) vs frequency.

• The gain plot typically shows a high-pass filter response with a peak at the resonant frequency.

• The phase plot shows a 180 degree phase shift at the resonant frequency.

• Bode plots are useful for analyzing frequency response of amplifiers and filt
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