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