Even more serious is the voltage degradation for the cascaded and or function. A diode transistor logic circuit uses its diodes to perform logic functions. Diode Transistor Logic Circuit In Hindi Dtl Circuit In Hindi Dtl Hackaday Solved Use A Truth Table To Show That The Following Diode Figure 3a gives the circuit symbol and boolean expression for nor gate while figure 1b gives the two input truth table. Diode transistor logic . The transistors at b drive the decode diodes and displays. Diode transistor logic in a discrete transistor clock. Diode transistor logic refers to a specific class of circuit used in modern digital electronics to process electrical signals. It is called so because the logic gating function eg and is performed by a diode network and the amplifying function is performed by a transistor in contrast with rtl and ttl. Dtl o...