Digital Logic Circuit Training System :
The digital logic circuit training system should consist of the following modules

Module 1:

• Basic Logic Gates Circuits
• Logic gates structure circuits (DL, RTL, TTL, CMOS)
• Logic gates circuits
• Voltage and current measurement (TTL, CMOS)
• Interface between logic gates circuits (TTL and CMOS Transform)
• Transmission delay measurement (TTL, CMOS)

Module 2:

• Combinational Logic Circuits
• 4 bits comparator circuit
• 9 bits parity generator
• Tristate and Schmitt gate circuits
• Half adder and full adder
• Half subtractor and full subtractor
• Module 3: Extended Combinational Logic Circuits:
• ALU and digitally controlled analog Multiplexer & De-multiplexer Circuit
• Encoder and Decoder Circuit
• Multiplexer and De-multiplexer Circuit

Module 4:

• Clock Generator Circuits
• Constructing oscillator circuit with basic logic gates and Schmitt gates
• Voltage controlled oscillator circuit
• BJT astable multi-vibrator oscillator circuit
• Operational amplifier oscillator circuit
• 555 astable multi-vibrator and monostable multi-vibrator oscillator

Module 5:

• Sequential Logic Circuits
• RS, JK and D Flip flop circuit
• Asynchronous and synchronous counter circuit
• Presetably synchronous counter circuit

Module 6:

• Memory Circuits
• Constructing ROM circuit with diodes
• Constructing RAM circuit with D Flip flop
• Programmable ROM and 64 bits RAM circuit

Module 7:

• Converter Circuits:
• OPA and ADC 0804 ADC circuit
• 4 bits R-2R DAC circuit
• Unipolar and Bipolar DAC 0800 DAC circuit

Module 8:

• Logic Application Circuits:
• Electronic voting circuit
• Electronic wheel amusement circuit
• Electronic competition answer circuit
• Traffic light circuit

Module 9:

• Function Generator and DC Power Supply Module:
• Waveforms: Sine, Triangle, Square, TTL Pulse
• Amplitude: >10 Vpp
• Impedance: 50Ω ±10%
• Duty Control: 30% ~ 60%
• Display: 6-Digit LED Display
• Frequency Range: 10Hz ~ 100 kHz (4 Ranges), 100Hz ~ 1 MHz (4 Ranges)
• Frequency Control: Separative Coarse and Fine Tuning
• Constant Voltage Output: ±5V, ±12V
• Variable Voltage Output: 0V ~ ±15V
• Power source: 220~230V AC, 50Hz, 1 Phase