Demonstration Models

To study working & various faults of MW Transistor Receiver and Signal/noise and output. The until complied on Phenolic sheet with top side nicely screen printed & circuit diagram drawn. Components are soldered along the circuit important connection are brought out on terminals. Instrument consists of Power Supply, AGC section, IF section, Oscillator section, Antenna section & output section. Also provided with 6 VDC Power Supply, 4" 8 Ohm speaker.

To study working & various faults of MW Transistor receiver, To study working & various faults of Cassette Player and To Study working & various faults of Tape Recorder. The whole unit is made up on Phenolic sheet with top side nicely screen printed & reverse side is Printed circuit layout (PCB). Components are mounted on PCB tags for easy replacement/Fault creation. Acrylic Cover is provided at the top to protect the instrument. D1 Demonstration Televison (Black & white) D2Demonstration Coloured Television D3Demonstration Cathode Ray Oscilloscope (CRO)

To study Frequency Response, Input Impedance, Output Impedance & -ve Feed Back of Common Base, Common Emitter & Common Collector Transistor Amplifiers. Instrument components mounted on the front panel & important points brought on terminals OPT Audio Frequency Function Generator PSAW -93, Digital AC Millivoltmeter. Dimension 8"x6"x4".

(i)	Voltage gain
(ii)	Input Resistance
(iii)	Output Impedance

OPT.Function Generator PSAW-93. V.T.M. PSAW-63

Study of Voltage Gain and Frequency Response of a Common Source Amplifier. Instrument comprises of DC Regulated Power Supply, Circuit diagram is printed, Components mounted on the front panel & connections of important points brought on terminals. OPT Audio Frequency Function Generator PSAW -93, Digital AC Millivoltmeter. Dimension 8"x6"x4".

To Study of different Biasing Circuit for Transistor such as Fixed Bias Method, Collector to Base Bias, Emitter Resistor Bias and Voltage Divider Bias Methods. Instrument consists of One DC Regulated Power Supply, One NPN Transistor, 2 meters to measure the voltage and current, Different types of Resistances connected inside & connections brought on terminal. Dimension 8"x6"x4".

Study of voltage gain & frequency response of a R.C. Coupled Transistor Amplifer Opt. Function Generator PSAW -93. V.T.M. PSAW -63

To study Operational Amplifier as Inverting & Non Inverting Amplifier. Insturment comprises of DC Power Supplies of 500 mA & ±15V DC, circuit diagram Printed & different Resistances can be connected externally for various observations. Dimension 10"x7"x3". Digital Multimeter 3.5 Digit, Digital Voltmeter 20 VDC.

To study operational Amplifier as Inverting, (a) Unity gain buffer stage (b) Non-Inverting Amplifier (c) Inverting Amplifier (d) Summing Amplifier (e) Difference Amplifier Instrument comprises of 3 DC Regulated Power Supplies of 0 to ±15V and 0 to 6V.

To study the basic characteristics of OP-Amp as Input Offset Current, Offset Voltage, Slew Rate, Band Width and Null Balancing. Instrument comprises of ±15 VDC Regulated Power Supply, 2 round meters, Different type of Resistance and Capacitors, IC 741 connected inside & connectiions brought out at 4mm Sockets. OPT. DMM, Audio Frequency Function Generator PSAW-93 and CRO PSAW-96.

Instrument comprises of 2 DC Regulated Power Supplies of 0-5 VDC, Power Supply ±15VDC, 2 Dual range, round meters to measure input and output voltages & Combination of Resistances, Capacitors mounted on Front Panel. OPT. Audio Frequency Function Generator PSAW -93, CRO PSAW -96.