A) Fixed timestep B) Maximum timestep = 1/100 of smallest time constant C) Minimum timestep D) Auto timestep
A) Reading the voltage value at t=0 B) Calculating from frequency response C) Using cursor differences in voltage vs. time plot D) Measuring peak voltage only
A) Develop new electronic components B) Program microcontrollers C) Build physical electronic circuits D) Master complex circuit simulation techniques in LTSpice
A) Nyquist plot B) Bode plot C) Time domain plot D) Smith chart
A) R-C B) RxC C) R+C D) C/R
A) 100Ω B) 47Ω C) 220Ω D) 1kΩ
A) Monte Carlo B) Fourier C) Transient D) DC sweep
A) 1ms B) 10ms C) 5ms D) 2ms
A) 10ΚΩ B) 5ΚΩ C) 20kΩ D) 15ΚΩ
A) 2kHz B) 500Hz C) 10kHz D) 1kHz
A) 1MHz B) 100kHz C) 2MHz D) 500kHz
A) TL082 B) LT1001 C) LM358 D) LM741
A) >40dB B) >20dB C) >60dB D) >80dB
A) Current out / Current in B) Voltage out / Voltage in C) Output power / Input power × 100% D) Input power / Output power × 100%
A) 1kHz B) 10kHz C) 50kHz D) 100kHz
A) Single input signal only B) Different signals on each input C) Grounded input D) Identical signals applied to both inputs
A) External clock B) LC resonance C) RC time constant D) Power supply frequency
A) Average voltage B) RMS calculation C) Peak-to-peak voltage measurement D) Instantaneous voltage
A) 10Hz B) 1Hz C) 0.1Hz D) 100Hz
A) Resistors with 0.1% tolerance B) Inductors with 0.5% tolerance C) Capacitors with 1% tolerance D) Transistors with 5% tolerance
A) Voltage follower B) Linear regulation C) Open loop control D) PWM feedback control
A) 3.3V DC B) 12V DC C) 24V DC D) 5V DC
A) Switching noise B) Input current C) Average power D) Output voltage settling time
A) gmin = 1e-7 B) gmin = 1e-9 C) gmin = 1e-12 D) gmin = 1e-6
A) Voltage divider B) Series sense resistor with feedback C) Parallel resistor D) Capacitive coupling
A) Systematic node voltage checking B) Visual inspection C) Random probing D) Component count
A) Crystal oscillator B) Colpitts oscillator C) Wien bridge oscillator D) Hartley oscillator
A) 47kQ B) 10ΚΩ C) 1ΚΩ D) 100ΚΩ
A) AVin/AVout B) Alout/AVout C) AVout/AVin D) AVout/Alload
A) State variable B) Multiple feedback C) Twin-T D) Sallen-Key
A) 50 B) 100 C) 10 D) 80dB
A) Gain bandwidth B) Input bias current C) CMRR D) Slew rate
A) .meas avg power = avg(V(n1)*I(R1)) B) Power = V *1 C) Heat measurement D) Energy calculation
A) +15V DC B) 12V DC C) -15V DC D) 5V DC
A) Linear regulator B) Boost converter C) Buck converter D) Flyback converter
A) 9V B) 24V C) 15V D) 12V
A) HTML format B) SPICE compatible text format C) XML format D) Binary format
A) Long-term frequency drift measurement B) Phase noise C) Peak amplitude D) RMS voltage
A) Crystal B) RC phase shift C) Colpitts D) Wien bridge
A) 2 B) 15 C) 10 D) 5
A) Linked files B) Multiple schematics C) Component arrays D) Symbol creation with subcircuits
A) F4 B) F1 C) F3 D) F2
A) +5V only B) +12V only C) ±15V D) ±12V
A) Two diodes in series B) Bridge configuration with four diodes C) Single diode setup D) Center-tapped transformer
A) 1MHz B) 250kHz C) 100kHz D) 500kHz
A) .dc B) .op C) .ac D) .tran
A) -5V B) 1V C) 0V D) 5V
A) 2200μF B) 470μF C) 1000μF D) 100μF
A) vntol = 1e-6 B) abstol 1e-12 C) itol = 1e-8 D) reltol = 1e-3
A) .meas B) .plot C) .print D) .save
A) Separate text file B) Verbal description C) SPICE directives with comments D) Reference manual
A) 5V B) 10V C) 12V D) 15V
A) 9V B) 5V C) 6V D) 3.3V
A) Visual estimation B) Peer review C) Theoretical calculation comparison D) Assumption
A) 10ns B) 1μς C) 1ns D) 100ns
A) 1mH B) 220μΗ C) 100μΗ D) 47μΗ
A) 2V square wave B) 1V sine wave C) 0.5V triangle wave D) 3V pulse
A) Resonant frequency B) Frequency at -3dB point from midband gain C) Cutoff frequency at OdB D) Maximum frequency of input signal
A) .fft V(out) B) .tran fft C) .four D) .ac analysis
A) Variable capacitor B) AGC circuit with thermistor C) Fixed resistor D) Zener diode
A) Half power point (0.707 of peak amplitude) B) Quarter power point C) Zero crossing point D) Maximum amplitude point
A) -90 degrees B) -60 degrees C) -45 degrees D) -180 degrees
A) Random numbers B) Default names C) Hierarchical prefix with functional description D) Sequential only
A) Mixed files B) Random storage C) Single directory D) Separate folders for each analysis type
A) ProjectName_CircuitType_Version B) Numeric only C) Random string D) Date_Time
A) 10MHz B) 100kHz C) 1MHz D) 500kHz
A) 5V DC B) 12V DC C) 24V DC D) 120V AC
A) Video demonstration of circuit operation B) Simulation results C) Complete schematic file D) Comparison with theoretical calculations
A) Power cycling B) Circuit restart C) Component replacement D) Error log analysis and stepping
A) .meas tran rms RMS V(out) B) .print rms C) .measure average D) .save rms
A) 20 dB/decade B) -60 dB/decade C) -30 dB/decade D) -40 dB/decade
A) Transient analysis B) Monte Carlo analysis C) Phase response analysis D) AC analysis
A) Under-voltage lockout B) Soft-start circuit C) Over-current protection D) Thermal shutdown
A) >100dB B) >40dB C) >60dB D) >80dB
A) Reset circuit B) Startup switches C) External sources D) .ic command with node voltages
A) Exponential rise to steady state B) Sinusoidal oscillation C) Step function D) Linear increase
A) <10% B) <5% C) <0.1% D) <1%
A) 3rd order Bessel filter B) 5th order Elliptic filter C) 4th order Butterworth filter D) 2nd order Chebyshev filter
A) Average of both inputs B) Output voltage / differential input voltage C) Peak output voltage D) Total output / total input
A) 24V DC B) 240V AC C) 120V AC D) 12V DC
A) diff(V1,V2) B) measure(v1-v2) C) voltage(1,2) D) V(node1)-V(node2)
A) 0.5 B) 0.1 C) 0.25 D) 0.707
A) 100 B) 50 C) 75 D) 200
A) Output ripple voltage B) Input impedance C) Transient response D) Efficiency at different loads
A) Comparison with datasheet specifications B) Visual inspection C) Peer feedback D) Assumption based
A) Print screen B) Right-click plot, export data as text C) Save as image only D) Copy to clipboard
A) Multiple feedback topology B) State variable filter C) Cascaded Sallen-Key stages D) Twin-T configuration
A) 500mA B) 3A C) 2A D) 1A
A) Current ratio only B) Power loss calculation C) (Pout/Pin) x 100% D) Voltage ratio only
A) Sequential backup with date stamps B) Single file override C) Random copies D) No backup
A) Using.subckt definition B) Symbol editor only C) Component wizard D) Modifying existing parts
A) Reduce timestep B) Increase maximum iterations C) Modify gmin stepping D) Change solver type
A) 1A B) 5A C) 500mA D) 2A
A) Immediate full amplitude B) Random amplitude variation C) Exponential amplitude growth to steady state D) Linear amplitude increase
A) 47μF B) 1000μF C) 100μF D) 220μF
A) Circuit simplification B) Complete rebuild C) Progressive component addition D) Parameter randomization
A) <1dB B) <0.1dB C) <0.5dB D) <3dB
A) 10ΚΩ B) 1KΩ C) 2ΚΩ D) 100Ω
A) 50kHz B) 200kHz C) 100kHz D) 75kHz
A) 10V peak-to-peak B) 5V peak-to-peak C) 1V peak-to-peak D) 3.3V peak-to-peak |