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