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