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