Digital Logic Lab Trainer

The system is a comprehensive and self-contained system suitable for digital logic experiments. All necessary equipment for experiments such as power supply, signal generator, switches and displays are installed on the main unit. It covers a wide variety of essential topics in digital logic and is a time and cost saving trainer for students and engineers for developing and testing digital logic circuit prototypes.

Fixed DC Power Supply :

• Voltage range: +5V, -5V, +12V and -12V
• Maximum current output: 1A for +5V rail, 300mA for others
• Output overload protection

Variable DC Power Supply :

• Voltage range: -1.5V ~ +25V, -1.5V ~ -22V
• Output current: 0.5A
• Maximum current output: 0.5A
• Output overload protection

Variable Clock Generator :

Six frequency ranges:

• 1Hz to 10Hz
• 10Hz to 100Hz
• 100Hz to 1KHz
• 1KHz to 10KHz
• 10KHz to 100KHz
• 100KHz to 1MHz
• Output level: independent and simultaneous TTL and CMOS, CMOS output range adjustable from +1.5V to +15V

Preset Frequency Generator :

• 1Hz
• 50/60Hz
• 1MHz with accuracy of °0.01% at 1MHz
• Output level: independent and simultaneous TTL and CMOS, CMOS output range adjustable from +1.5V to +15V

Line Signal Generator :

• 50/60Hz
• Output Voltage: 6V rms

Data Switches :

• Two 8-bit DIP switches giving 16-bit TTL level output

Pulser Switches :

• Four toggle switches with debounced circuits
• Two sets with ON-OFF and CMOS, Q and /Q outputs

Thumbwheel Switches :

• Two-digit BCD code output

Logic Indicators :

• 16 sets of independent LEDs indicating high and low logic states

Seven-Segment Display :

• Four sets of independent 7-segment displays with BCD decoder/driver

Logic Probe :

• TTL and CMOS level indication

Computer Interface :

• Serial Interface, Centronic Interface & USB Interface

Frequency Counter :

• 50MHz auto ranging frequency counter

Digital DC Voltmeter :

• 4 digits LED display
• Voltage ranges:
• 0V to 19.99VDC
• 0V to 1.999VDC
• 0V to 199.9mVDC
• 0V to 19.99mVDC
• Input impedance: 10Mohm

Speaker :

• 8°, 0.25W with driver circuit

Solderless Breadboard :

• 1680 interconnected tie points

Experiment Modules :

• Basic Logic Gates Experiment Module
• Assembled Logic Circuits (1) Experiment Module
• Assembled Logic Circuits (2) Experiment Module
• Assembled Logic Circuits (3) Experiment Module
• Assembled Logic Circuits (4) Experiment Module
• Assembled Logic Circuits (5) Experiment Module
• Clock Generator Circuit Experiment Module
• Sequential Logic Circuits (1) Experiment Module
• Sequential Logic Circuits (2) Experiment Module
• Memory Circuits (1) Experiment Module
• Memory Circuits (2) Experiment Module

Experiments :

Basic Logic Gates Experiments :

• Introduction to logic and switches
• Logic gates circuit experiments
• Diode Logic circuit
• Resistor-Transistor Logic circuit
• Diode-Transistor Logic circuit
• Transistor-Transistor Logic circuit
• CMOS logic circuit
• Threshold voltage measurement experiments
• Voltage/current measurement experiments
• Basic logic gate transmission delay measurements
• Basic logic gate characteristics
• Interfacing between logic gates

Combination / Assembled Logic Circuits Experiments :

• NOR gate circuit experiment
• NAND gate circuit experiment
• XOR gate circuit experiment
• Comparator circuit experiments
• Schmitt gate circuit experiment
• Open collector gate circuit experiments
• Three-state gate circuit experiments
• Bidirectional transmission circuit
• Half adder logic gates experiments
• Half subtractor and full subtractor experiments
• Arithmetic Logic Unit circuit experiment
• Bit parity generator experiments
• Encoder circuit experiments
• Decoder circuit experiments
• Multiplexer circuit experiments
• Demultiplexer circuit experiments
• Digital control of analogue switches

Clock Generator Circuit Experiments :

• Astable circuit with logic gates
• Oscillator circuit with Schmitt gate
• Voltage Controlled Oscillator circuit
• 555 IC oscillator circuit
• Monostable multivibrator circuits

Sequential Logic Circuits Experiments :

• R-S flip-flop
• D flip-flop
• T flip-flop
• J-K flip-flop
• Shift register circuits
• Counters using flip-flops
• Ring counter
• Johnson counter

Memory Circuit Experiments :

• Read Only Memory with diodes
• Random Access Memory with flip-flops
• 64-bit RAM circuit
• EPROM circuit
• EEPROM circuit
• Dynamic scanning counter with microprocessor

Accessories :

• 2mm stackable test leads sets
• Instructional experiments and experiments manual
• Power cord

Additional Details :

• Power Supply: 240V AC °10% 50/60Hz
• Dimensions (Main Unit): 465mm x 330mm x 150mm
• Weight (Main Unit): 6kg
• Dimensions (Experiment Modules): 265mm x 200mm x 50mm
• Weight (Experiment Modules): 1.5kg each

• Suitable for basic logic gate, combinational logic, sequential logic and microprocessor circuit experimentation and design
• Ideal tool for learning the basics of digital logic circuits
• Integrated training system with complete curriculum
• Comprehensive power supply, signal supply and testing devices for convenient experimentation
• Compatible with computer interface – Serial Interface, Centronic Interface & USB Interface
• 50MHz auto ranging frequency counter
• Digital DC voltmeter
• Large breadboard for circuit design and prototyping
• Supports TTL, CMOS, NMOS, PMOS and ECL circuits
• All supplies equipped with overload protection