Oscillators

To study 18 line Demultiplexer circuit IC 74155. Instrument comprises of Power Supply, 4 SPDT switches for selecting logic '1' & logic '0', four output indicator, Circuit diagram for IC 74155 Printed & connections for various inputs & outputs brought out at sockets on front panel.

Study of 4-16 (One input/Sixteen output) Demultiplexer using IC 74154.

To study and verify the truth table of RAM circuit. Instrument comprises of DC Power Supply 5VDC, 10 logic inputs selectable Instrument comprises of DC Power Supply 5VDC, 10 logic inputs selectable using SPDT switches, 4 LED output indicators, IC 7489 placed inside & connections brought out at sockets on the front panel.

The instrument comprises 6 variable resistors, Power Supplies ±5V, ±15/Variable), ±15 Volt Fix, 1 Hz to 250 KHz. Function Generator, clock pulse, logic output, logic input, two bread boards.

1.	Study and verify Truth tubes of Logic Gates.
2.	Verification of Boolean identities & Demorgan's theorems.
3.	Study and verify truth tables of Digital Addres and Sub tractors
4.	Study of Flip-Flops and verification of their truth tables.
5.	Study of Counters, Shift Registers and verification of their truth tables.
6.	Study of Encoders, Decorders and verification of their truth tables.
7.	.Study of Multiplexers, Demultiplexers and verification of their truth tables.

Instrument comprises of Two DC Regulated Power Supplies of 5VDC/1Amp & ±15VDC/150mA, 10 Logic inputs with LED indicators selectable using SPDT switches, 1Hz clock pulses. Bread Board is mounted on front panel to perform various experiments, 10 number logic output indicators & 3 Seven Segment Display mounted on front panel.

Verify truth tables of TTL logic gates, Booleon expressions, De-Morgan's Theorems, Adders, Sub stractors, Flip Flops, Counters, Shift Registers, Encoders, Decoders, Multiplexers & De-multiplexers using 74 series of TTL IC's. Instrument comprises of 10 Debunced logic inputs, 10 red LED output indicators, 5 VDC/1 Amp Regulated short circuit & overload protected Power Supply, 1 Hz clock pulse, all the components & IC's have been placed inside the cabinet & connections brought out at sockets on the front panel.

Using I.C. 7400. The Kit consist 1 spot switch for input & two output LED's. To measure the output voltage sockets are also provided

The Kit is to measure the clock pulse using NAND Gate I.C have 1 switch for input & output on LED with terminal to measure the clock pulse frequency.

To study analog to Digital & Digital to Analog convertors using R-2R network & Successive Approximation Method. Instrument comprises of DC Regulated Power Supplies 5VDC/100mA, 0-10V DC/200mA, +15 VDC/250mA, 1 Voltmeter, 4 SPDT switch provided for selecting logic '1' & logic '0', one output indicator, Circuit diagram Printed on the front panel & connections of various inputs & output brought out at sockets.

To study Digital to Analog converter using R-2R network. Instrument comprises of DC Regulated Power Supplies 5VDC/150mA, 15VDC/150mA, 1 Voltmeter, 1 SPDT switches provided for selecting logic '1' & '0', one output indicator, Circuit diagram printed on the fron panel & connections of various inputs & output brought out at sockets.

To study digital to analog convertors using weighted register network. Instrument comprises of DC Regulated Power Supplies 5VDC/150mA, + 15 VDC/150mA, 1 Voltmeter, 4 SPDT switches provided for selecting logic '1' & logic '0', one output indicator, Circuit diagram printed on the front panel & connections of various inputs & output brought out at sockets

To construct a Optical Transmitter and calculate its Output Power. Transmission of Signal through Fiber Optic Cable. To construct a Optical Receiver and calculate its output power. To study the Attenuation of Signal when transmitted from Transmitter to Receiver end. Instrument comprises of DC Power Supply 6VDC and 3VDC. Preamplifier stages consists of MIC (Microphone), Photodetector, Transistors (548) and biasing network Resistance and Capacitors. Power amplifier stages with impedance matching transformers (Driver Transformers, Transistors (8550) and biasing network of Resistances and Capacitors. Output section having LEDs (Light Emitting Diodes) and speaker. Fiber optic cable for transmission of signal.

Measurement of Amplitude Modulation Index (Depth of modulation), side band frequencies (upper side band & lower side band) and Frequency of demodulated signal. Instrument consists of DC Regulated Power Supply , Sine wave Oscillator 100 Hz - 1KHz Frequency Circuit diagram drawn & Components placed on the panel. Connections of Supplies & Components brought on terminal Accessories : RF Signal Generator PSAW-92 and CRO PSAW-96.

Measurement of Frequency Modulation Index (Depth of modulation), side band frequencies (upper side band & lower side band) and Frequency of demodulated signal. Instrument consists of DC Power Supply, Square wave Oscillator 1KHz Frequency Output, Circuit diagram dream & Components placed on panel. Opt. CRO PSAW -96 & RF Signal Generator PSAW-92

Measurement of Frequency Modulation Index (Depth of modulation) Comprises of DC Power Supply, since wave Oscillator with 1KHz Frequency Output, Circuit diagram printed & Components placed on the panel. Connections brought on terminals. Opt. CRO