Fundamentals Of Electronics Experimental System

This equipment is designed for experiments covering course of analog electronics, which addresses the requirements of colleges or vocational schools.

DC signal source: two-way of -5V~+5V adjustable power supplies

AC power supply: 0V, 6V, 10V, 14V and 17V AC power supply (AC 50Hz), with the function of short-circuit protection
   & auto-recovery is provided for each circuit.

Components: relay, loudspeaker, buzzer, oscillating coil, 12V signal lamp, power resistor, rectifier bridge, diode, 3-terminal voltage regulators, capacitors, triodes, pushbuttons and potentiometers etc.

The experimental modules can be fixed by the four blue sockets (flexible) (which have already Installed on the board). The experimental modules including: single transistor/feedback amplifier, emitter follower, oscillator with RC series/parallel network, differential amplifier and LF OTL power amplifier.

DIP IC sockets and sockets for components connection are provided.


  • Transistor common emitter amplifier
  • FET amplifier
  • Negative feedback amplifier
  • Emitter follower
  • Differential amplifier
  • Specification measurement of integrated op amp
  • Basic application of integrated op amp I-analog operational circuit
  • Basic application of integrated op amp II-signal processing (active filter)
  • Basic application of integrated op amp III-signal processing (voltage comparator)
  • Basic application on integrated op amp IV-signal processing (waveform generator)
  • RC sine wave oscillator
  • LC sine wave oscillator
  • Assemble and commissioning of function generator
  • VCO (voltage controlled oscillator)
  • LF power amplifier I-OTL power amplifier
  • LF power amplifier II- integrated power amplifier
  • DC stabilized power supply I-series transistor stabilized power supply
  • DC stabilized power supply II-integrated voltage regulator
  • Controllable thyristor rectifier circuit
  • Synthetic experiment-design and commissioning of multimeter

DC stabilized power supply Two-way ±5V@1A and two-way ±12V@1A with short-circuit soft cutoff protection and auto recovery function is provided for each circuit
Function generator 1. Frequency range: 2Hz~2MHz is stepped into 7 ranges
2. Output waveform: sine wave, square wave and triangle wave.
3. Output amplitude: 0~16VP-P
4. Output attenuation: 0dB, 20dB, 40dB, 60dB.
Frequency meter 1. 6-bit LED display
2. Frequency range: 1Hz~10MHz
3. Sensitivity: 35mV(1-500kHz)// 100mV(500kHz-10MHz)
4. It is available to monitor the output frequency of function signal generator and measure the frequency of input signal.
RMS value AC digital millivoltmeter It is available to measure the RMS value of sine wave, triangle wave and narrow pulse. Measuring range: 0.2mV~600V(RMS value) Frequency range: 10Hz~1.5MHz, Accuracy: ±0.5%±2 digit
20M two-channel analog oscilloscope 1. Deflection factor: 5mV/DIV-5V/DIV overlapping in 10 ranges
2. Vertical mode: CH1, CH2, ALT, CHOP, ADD
Digit digital multimeter 1. DC voltage: 200mV/2V/20V/200V/1000V ±(0.5%+3)
2. AC voltage: 2V/20V/200V/750V ±(0.8%+5)
3. DC current: 20uA/2mA/200mA/20A ±(1.5%+3)
4. AC current: 2mA/20mA/20A ±(1.5%+5)
5. Resistance: 200Ω/2kΩ/20kΩ/200kΩ/2MΩ/20MΩ ±(0.8%+5)
6. Conductance: (0.1-100)nS ±(1.0%+30)
7. Capacitance: 20nF/200nF/20uF/200uF ±(4.0%+10)
8. Frequency:  20kHz ±(1.5%+25)  temperature:  -40oC-1000oC ±(0.75%+3)
9. Special function: diode test, triode test, on/off alarm, low-voltage display, data hold, self-turning off, functional protection, self-recovery insurance, shockproof, 10MΩ input impedance, 3 times/s sample rate, 40-400Hz AC frequency response, manual operation and the maximum display is 1999.
Analog multimeter DC voltage: DCV 0/2.5/10/50/250/500/2500V, DC current: DCA 0/50UA/1/10/100/500MA, AC voltage: ACV 0/10/50/250/500/2500V Resistance: Ω R×1 R×10 R×100 R×1K R×10KΩ