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