Pulse and Digital Circuits Notes JNTU – PDC Notes JNTU of Total Complete Notes
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LINEAR WAVESHAPING- High pass, low pass RC circuits, their response for sinusoidal, step, pulse, square and ramp inputs. RC network as differentiator and integrator, attenuators, its applications in CRO probe, RL and RLC circuits and their response for step input, Ringing circuit.
NON-LINEAR WAVE SHAPING- Diode clippers, Transistor clippers, clipping at two independent levels, Comparators, applications of voltage comparators, clamping operation, clamping circuits taking source and diode resistances into account clamping circuit theorem , practical clamping circuits, effect of diode characteristics on clamping voltage, Synchronized clamping
SWITCHING CHARACTERISTICS OF DEVICES- Diode as a switch, piecewise linear diode characteristics, Transistor as a switch, Break down voltage consideration of transistor, saturation parameters of Transistor and their variation with temperature, Design of transistor switch, transistor-switching times. Silicon controlled switch circuits.
MULTIVIBRATORS- Analysis and Design of Bistable, Monostable, Astable Multivibrators and Schmitt trigger using transistors.
TIME BASE GENERATORS- General features of a time base signal, methods of generating time base waveform, Miller and Bootstrap time base generators – basic principles, Transistor miller time base generator, Transistor Bootstrap time base generator, Current time base generators. Methods of linearity improvement.
SAMPLING GATES- Basic operating principles of sampling gates, Unidirectional and Bi-directional sampling gates, Reduction of pedestal in gate circuits, Applications of sampling gates.
SYNCHRONIZATION AND FREQUENCY DIVISION- Principles of Synchronization, Frequency division in sweep circuit, Astable relaxation circuits, Monostable relaxation circuits, Synchronization of a sweep circuit with symmetrical signals, Sine wave frequency division with a sweep circuit. A sinusoidal divider using regeneration and modulation.
REALIZATION OF LOGIC GATES USING DIODES & TRANSISTORS AND, OR gates using Diodes and Transistors, DCTL, RTL, DTL,TTL and CML Logic families and its comparison.