-Electric competition questions

Question list in 2011

. Parallel power supply system of Switch Power Supply Module ()

Flat Control System Based on free pendulum (B)

Smart Car (question C)

LC resonant amplifier (d)

Simple Digital Signal Transmission Performance Analyzer)

Canvas Control System (question F)

Simple automatic Resistance Tester (g)

Waveform acquisition, storage and Playback System (question H)

 

2009 question list:

Question A: photovoltaic grid-connected power generation simulation device

Question B-voice Guidance System

C -- Broadband dc amplifier

D: wireless environment monitoring simulation device

E-question-electric energy collection charger

Question F: Digital amplitude-frequency balanced power amplifier

G -- Low Frequency Power Amplifier

Question H-LED Lattice writing Display Screen

I-simulated street lamp control system

 

Question of the National College Students' Electronic Design Competition in 2007

A Audio Signal Analyzer

B wireless Identification

C digital oscilloscope

D programmable Filter

. E switch regulated power supply

F electric vehicle seesaw

G-integrated DC digital voltmeter

H Signal Generator

I controllable Amplifier

J. Electric seesaw

 

Question of the National College Students' Electronic Design Competition in 2005

1. Sine Generator)

2. Integrated op amp Tester (question B)

3. Simple spectrum analyzer (question C)

4. Ticket wireless call system (question D)

5. Suspension Motion Control System (E)

6. nc constant current source (question F)

. 7. Three-phase Sine Wave Frequency Conversion Power Supply (g)

 

Question of the National College Students' Electronic Design Competition in 2003

Question A: Voltage Control LC Oscillator

Question B: Broadband Amplifier

Question C: Low Frequency Digital Phase Measuring Instrument

D. Simple logic analyzer

E: simple smart electric vehicles

Question F: liquid drip Speed monitoring device

 

 

Main Question Types:

1. Power Supply: Switching Power Supply, grid-connected power generation, power collection and charging, and Numerical Control Power Supply

2. Signal Generation, processing, and display: analog filter, digital filter, eye chart, resonant amplifier, broadband amplifier, programmable filter, controlled LC oscillator, and controllable Amplifier

3. Trolley: Motor Control: Free pendulum, canvas control, electric vehicle seesaw, and suspension Motion Control System

4. Radio: Analog Device for wireless environment monitoring, stand-alone wireless call system, and wireless Identification

5. instruments and instruments: Low-Frequency Digital Phase Measuring Instrument, simple logic analyzer, Simple Digital Signal Transmission Performance Analyzer, simple automatic resistance tester, waveform acquisition, storage and Playback System

-Electric competition questions