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