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