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