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