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