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