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