Comprehensive Digital Electronics Trainer Kit High‑Performance Digital Circuit Experiment Box for University Vocational Lab Teaching

Product Introduction

The experiment box consists of an aluminum-wood alloy housing, a switching power supply, common signal sources, and an experimental circuit area. The experimental circuit area is fully open, allowing for flexible configuration of experimental circuits to meet the teaching and experimental requirements of students at different levels.

Technical Specifications

1.1 DC regulated power supply: ±12V/1.5A, 5V/2A. The +5V power supply features overvoltage and undervoltage protection, short-circuit alarm, and automatic shutdown to ensure the safety of experimental circuit components and personnel.

1.2 Continuously adjustable DC regulated output: DC: 1.5-9V.

1.3 Common Signal Sources

• Two positive and negative single pulse generators with level indicators are provided.
• A continuously adjustable clock circuit with a range of 1Hz to 10kHz is available in two settings: 1Hz to 100Hz and 100Hz to 10kHz.
• Fixed pulse outputs are divided into 9 channels: 1Hz, 2Hz, 10Hz, 100Hz, 1kHz, 10kHz, 100kHz, 500kHz, and 1MHz. The 1Hz channel has an indicator light.
• 12-channel switch input and display circuits with input protection.
• 12-channel switch output circuits with built-in display circuits at the outputs to visually display the output status of the switch, and also with output protection.
• 6-digit seven-segment LED common-anode digital display with built-in BCD code decoding circuit;
• 2-digit independent digital tubes, which can be equipped with common-anode or common-cathode digital tubes, are designed with current-limiting resistors to protect the digital tubes.
• 2 sets of BCD code dial switch output circuits with output protection.

1.4 Testing

• Provides a three-state digital logic test circuit with audio and visual indicators.
• A set of wire test sockets is designed to measure the continuity of experimental wires.

1.5 Experimental Circuit Area: The independent circuit board design is completely isolated from experimental signal sources to prevent damage to the main chassis from mishandling during wiring. The experimental circuit area is configured as follows:

• An open experimental area with two IC8s, eight IC14s, one IC16 (expandable to three more), one IC18, one IC20, and one IC40 locking socket (compatible with IC18-IC40, etc.).
• An independent 10MHz crystal oscillator, an 8Ω speaker, a buzzer, an ST135 photoelectric switch, a 1*2 switch, and potentiometers of 1K, 20K, and 100K are provided.
• Multiple high-reliability locking anti-folding sockets (internally connected to the integrated circuit socket, long silver-plated copper tube, and fixings) are provided as experimental connection and test points. For experimental wiring, simply connect the locking plugs and wires.
• One expansion module circuit access area: 155 x 100 mm, with optional fixed circuit experiment modules. This allows students to engage in innovative exercises to improve their thinking and practical skills.

Experimental Projects

Basic Experiments

1. Transistor Switching Characteristics, Limiters, and Clamps
2. Logical Functions and Parameter Testing of TTL Integrated Logic Gates
3. Logical Functions and Parameter Testing of CMOS Integrated Logic Gates
4. Connection and Driving of Integrated Logic Circuits
5. Design and Testing of Combinational Logic Circuits
6. Decoders and Their Applications
7. Data Selectors and Their Applications
8. Flip-Flops and Their Applications
9. Counters and Their Applications
10. Shift Registers and Their Applications
11. Pulse Distributors and Their Applications
12. Generating Pulse Signals Using Gate Circuits - Self-Excited Multivibrator
13. Monostable Flip-Flops and Schmitt Triggers - Pulse Delay and Waveform Shaping Circuits
14. 555 Timer Circuits and Their Applications