TINA now includes all major analog, digital and. Dil Chura Liya Sathiya Song Mp3 Download here. Click here to download the FREE trial demo of TINA. TINA is far more than a circuit simulator software. From the educational point of view, our application, Logic Circuit Designer, is aimed to help both those students and users, studying computer architecture or more specifically, digital logic circuits. This product is a simulator for logic circuits, allowing the student to better visualize and understand how a logic. When you wire up the circuit using a real digital trainer, do remember to wire the VCC and GND wires and power up the digital trainer.