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