Objectives of this experiment:
The phase locked loop contains
1. Low pass filter.
2. Phase detector & Comparator.
3 VCO. the frequency generated by VCO is determined by the different values of capacitors & resistors. The phase detector compares the difference VCO frequency with the incoming signal frequency. It then develops an error voltage, which is proportional to the phase & frequency difference between the two signals. To verify the phase lock state when the VCO frequency are equal.

Built in regulated power supply: +15V/300mA
Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms

Objectives of this experiment:
To determine the frequency of the voltage controlled oscillator determined by Resistors & Capacitors. By varying the input voltage the output frequency can be varied.

Built in regulated power supply: +5V/300mA
Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms

To construct PLL multiplier & synthesizer. The input frequency can be generated b clock generator provided on the trainer. The PLL locks the input signal with the VCO and the locked frequency is multiplied by X1 to X9.

Built in regulated power supply: +5V/300mA
Input Supply: 230 VAC/50Hz mains operated.
Dimension: 27cms x 17cms x 10cms.
Weight: 500gms