Model: To be mentioned by the bidder. Country of Origin: To be mentioned by the bidder. Country of Manufacturing: To be mentioned by the bidder. 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. Standard accessories with printed operation manual. Warranty: 1 (One) year with services Required documents: Manufacturer's Authorization Letter with contact details and Catalog should be submitted. Installation,Testing,Commissioning and Training must beperformedbyqualified