Yalong Science & Technology Group Co., Ltd.

China Manufacturer with main products: Didactic Equipment, Automation Training System, CNC Machine, Electrical Trainer, Air-Conditioning Training Equipment, PLC Trainer, Motor...

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Yalong Analogy Circuit Experiment Box (YL-227A) SafeBuy Supplier Member

FOB Price:
In Stock
Place of Origin: Zhejiang in China


1, Reasonable layout and easy to operate.

2, Circuit fundamental is clear, all elements and components are welded on circuit board, signs and codes of elements are clear.

3, Sockets and screws are welded, nice and cost-saving, reliable and durable.

4, Extended experiment unit (resistor, capacitor, diode, transistor, socket and switch), students can make innovative designs.

5, Detailed manual.

6, For all experiments, no extra components or devices are needed.



(1) Circuit experiments

1, basic amplification circuit 2, 2-stage amplification circuit

3. Negative feedback amplification circuit

4, emitter follower 5, differential amplification circuit

6, proportional and operation amplification circuit

(2) integrated operational amplification circuit

1, Analogy operation circuit

2, Integral and differential circuit

3, waveform generation circuit

4, Active filter

5, Voltage comparator

6, IC RC Sine wave oscillator

7, integrated power amplifier

8, rectification filter and parallel DC circuit

9, serial DC circuit

10, integrated DC circuit

11, RC Sine wave oscillator

12, LC oscillator and frequency selection amplifier

13, current/ voltage conversion circuit

14, voltage/frequency conversion circuit

15, symmetry power amplifier

16, waveform transformation circuit


Technical parameters

1, power supply:

Input: AC220V± 10%

Output: (1) DCV +1.2V~15V, DCI≥ 0.2A, (2) DCV +5V, DCI≥ 1A

(3) DCV ± 12V, 0.2A

2, signal source:

(1) Function generator

Output waveform: square wave, triangle wave, Sine wave

Amplitude: Sine wave: 0~14V (14V peak-to-peak, symmetry)

Triangle wave: 0~24V (24V peak-to-peak, symmetry)

Square wave: 0~24V (24V peak-to-peak, symmetry)

Frequency range: 2HZ~20HZ, 20HZ~200HZ, 200HZ~2KHZ, 2KHZ~20KHZ

(2)DC signals: ± 5V, ± 0.5V.

3, potentiometer

6 potentiometers: 100Ω, 6.8KΩ, 1KΩ, 22KΩ, 100KΩ, 680KΩ

4, analogy circuit experiments

It is composed of differential amplifier, integrated operational amplifier and rectifier, filter, DC circuit.

5, Extended experiment unit

It is composed of speaker, switch, IC socket, resistors, capacitors, diodes, transistors and so on.

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