ANALOG

ANALOG 

Which instrument that see the work during working in which we have mechanisum.

DIGITAL

In which we can see the result only or in which depend on the IC’s and circuit.

  1. RTL:Resistor Transistor Logic (1960’s).
  2. DTL:Diode Transistor Logic (before 1960’s).
  3. TTL/T2L:Transistor Transistor Logic (Introduce in 1970).
  4. SCHOTKY TTL:Schotky Transistor Transistor Logic.
  5. ECL:Emitter Coupled Logic.
  6. IIL/I2L:Integrated Injection Logic.

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