PLL as Frequency Multiplier and Synthesizer ( IC 4046 ) 9036

Categories: Linear Circuits


ADTRON’S Phase Lock Loop ( PLLas Frequency Multiplier and Synthesizer is a versatile self – contained stand alone unit, useful in the study and demonstration of the application of PLL as Frequency Multiplier. The circuit consists of IC CD4046 and IC 7490 and required components. A square wave input of 1KHz is also Provided which is to be applied at the input and output to be observed on CRO. The Trainer is enclosed in a special designed elegant powder coated metal cabinet with intelligently designed layout on imported acrylic front panel, are some of its other features.


PLL Used                                        :          IC 565.

Counter                                          :          IC 7490.

Input Signal                                :          1KHz generated internally using IC 555.

Test Point                                     :           Multi – coloured test points at various stages in the circuit to observe waveforms and voltage.

Indicator                                       :           Mains.

Power Requirement              :          230V, 50Hz AC 1φ.

Standard Accessories           :          1.Detailed instruction manual.


1.           To determine multiplied frequency at the output.