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