Bids Are Invited For Electronics Lab Items ( Q3 ) , Electronic Weighing Systems- Is:9281-Part I, Ii, Iii & Part Iv ( Q2 ) Total Quantity : 2-- 3Rd Sem Electronics 1 A ) 1.00 B Am Radio Receiver Demonstrator ( Two Band ) 1.00 C 1.00 D 1.00 E 1.00 F 1.00 G Automatic Gain Constant ( Agc ) Trainer Kit 1.00 Fm Modulation And Demodulation Kitobjective : Recovery Of Modulated Signal From Demodulator Circuit, Observe Change In The Carrier Amplitude According To The Amplitude Of The Modulating Signal & Calculate Modulation Index.Technical Specification :Output Voltage ( Regulated ) : +12V Dc ( Inbuilt ) Audio Frequency / Amplitude : Sine Wave 1Khz / 0-2V P-P Approx.Carrier Frequency / Amplitude : 455 Khz / 0-2.5V P-P Approx.Housed In Pvc Cabinet, Circuit Diagram Printed, Connections Of Various Components ( Ic Lm 1496, Diode Oa 79 ) , All Important Outputs & Test Points Brought At Glass Epoxy ( Pcb ) Front Panel. Also Provided With Power Chord, Patch Chords & Instruction Manual. Pwm Modulation & Demodulation Trainer Kitobjective : Recovery Of Modulated Signal From Demodulatorcircuit & Observe Change In Width Of Clock Pulses According Tothe Amplitude Of The Modulating Signal At The Different Clock Frequencies. Ppm Modulation & Demodulation Trainer Kitobjective : Recovery Of Modulated Signal From Demodulator Circuit & Observe Change In Position Of Clock Pulses According To The Amplitude Of The Modulating Signal At The Different Clock Frequencies Pam Modulation & Demodulation Trainer Kit Objective : Observe Modulated Signal ( Flat Top, Natural, Sample & Hold ) At Different Sampling Frequencies, Recovery Of Modulated Signal From Demodulator Circuit.Technical Specifications :Output Voltages ( Regulated ) : +12V Dc, 5V Dc ( Inbuilt ) Sine Wave Audio Frequency : 1Khz / 0-10V P-P Approx 2 Khz / 0-4V P-P Approxpulse Generator : 8Khz, 16Khz, 32Khz, 64Khz / 5V P-P Approx.Housed In Pvc Cabinet, Circuit Diagram Printed, Connections Of Various Components ( Ic 7555, Tl074 ) , All Important Outputs & Test Points Brought At Glass Epoxy ( Pcb ) Front Panel. Also Provided With Power Chord, Patch Chords & Instruction Manual. Pcm Encoder & Decode Trainer Kitobjective : Observe The Conversion Of Dc Signal Into Digital Signal Using Sample& Hold And A / D Convertortechnical Specifications :Output Voltages ( Regulated ) : +12V Dc, +5V Dc ( Inbuilt ) : 0-5Vdc ( As Modulating Signal ) Clock Signal Generator : 7.8 Khz & 125Khz / 5V P-P Approx.The Pcm System Is Divided In Five Blocks I.E Clock Generator, Sample & Hold Amplifier, A / D Convertor, Multiplexer, Timing And Control Logic.Housed In Pvc Cabinet, Circuit / Block Diagram Printed, Connections Of Various Components ( Ic Lf 398, Ic 0800, Ic 74150, Ic 74160 & Ic 741 ) , All Important Outputs & Test Points Brought At Glass Epoxy ( Pcb ) Front Panel.Also Provided With Power Chord, Patch Chords & Instruction Manual. G Automatic Gain Constant ( Agc ) Trainer Kit 2 A ) Diac Characteristics Apparatus 1.00 Objective : To Study V-I Characteristics Of Diac. Specifications : Instrument Comprises Of Dc Regulated Power Supply 0-50 Vdc / 150Ma, Two Triangular Meter For Voltage & Current Measurement, One Diac Mounted Behind The Panel, Connections Of Supplies & Diac Brought Out At 4Mm Sockets. Features: High Quality Aluminium Panel Used For Longer Durability, High Accuracy Window Type Square Meters Used In The Kit. High Quality Computer Power Cord And Patch Cords Used B Triac Characteristics Apparatus 1.00 Objective : To Study The V-I Characteristics Of Triac In All The Four Quadrants. Specifications : Instrument Comprises Of Two Dc Regulated Power Supplies 0-15Vdc / 150Ma & 0-5 Vdc / 150Ma, Three Triangular Meters For Voltage & Current Measurement, Triac Mounted Behind The Panel, Connections Of Supplies & Triac Brought Out At 4Mm Sockets. Features: High Quality Aluminium Panel Used For Longer Durability, High Accuracy Window Type Square Meters Used In The Kit. High Quality Computer Power Cord And Patch Cords Used 3Th Sem Electronics Electronics Measuring & Instrumantion Lab 1 A ) Anderson Bridge 1.00 To Calculate The Value Of Inductance ( 500 Microh - 100 Mh ) In Term Of Capacitance & Resistance Technical Specifications: Inbuilt Fixed Dc Regulated Power Supply Of ±5V±12V & +5V / 500Ma Inbuilt Sine Wave Oscillator, Frequency 1Khz ±3%, Amplitude 0-15Vpp In Built 3½ Digit Digital Null Detector Used As Detector On Board Three Set Of Two Decade Dial X ( 10 Ohm & 100Ohm ) On Board Four Unknown Inductance & Two Standard Capacitor Are Mounted Behind The Front Panel With Connections Are Brought Out On Front Panel Bakelite Used As Front Panel Of 400Mm X 225Mm & Mounted On Light Weight Shock Proof Plastic Cabinet Circuit Diagram Of Discrete Component Printed & All Important Onnection Are Brought Out On Front Panel Power Requirement : 220 Vac +10%, 50Hz B 1.00 C 1.00 D 1.00 E 1.00 F Calirbration Of Single Phase Energy Meter With Phantom Loading Kit 1.00 Accessories For Above Variac 4 Amps Single Phase ( Me 2301 ) , 1.00 Variac 15 Amps Single Phase ( Me 2304 ) 1.00 Phase Shifting Arrangement ( Me 2350 ) 1.00 Rheostat 10Ohms / 10Amps ( Me 2260 ) 1.00 G Lvdt Trainer Kit 1.00 Objective : To Study Input And Output Characteristics, Determination Of Linear Range, Calibration As Displacement Meter And To Determine Senstivity Of The Instruments, Phase Shift On C.R.O. Specifications : Linear Variable Differential Transform With ± 10Mm Displacement. On Board Digital Panel Meter With Displacement Signal. Output Available For Control & Monitoring. Micrometer For Reference Displacement Reading Using Screw Gauge. Provided With Excitation Frequency. Waveform Display On Cro. Test Pins For Monitoring. Inbuilt Power Supply, Signal Conditioning Using Ic 5521. H Characteristics Of Rtd 1.00 To Plot & Study The Characteristics Of Rtd And To Measure Temprature. Specifications : Transducer Pt 100, Signal Conditioning Circuit With Exeitation Source Of Constant Current, Power Supply Of ± 5V Dc Display At 3½ Digital Panel Meter With Resolution Of 0.1ºc. Maxwell Inductance Bridge Objective : To Calculate The Value Of Inductance ( 500 Microh - 10Mh ) Technical Specification : In Built Fixed Dc Regulated Power Supply Of ±5V, ±12V & +5V / 500Ma Inbuilt Sine Wave Oscillator, Frequency 1Khz ±3%, Amplitude 0-15Vpp In Built 3½ Digit Digital Null Detector Used As Detector On Board Two Set Of Two Decade Dial X ( 100Ohm & 1000Ohm ) On Board Four Unknown Inductance Are Mounted Behind The Front Panel With Connections Are Brought Out On Front Panel Bakelite Used As Front Panel Of 400Mm X 225Mm & Mounted On Light Weight Shock Proof Plastic Cabinet Circuit Diagram Of Discrete Component Printed & All Important Connection Are Brought Out On Front Panel Power Requirement : 220 Vac +10%, 50Hz Crompton Potentiometer Dc Slide Wire Potenriometer Q Meter Technical Specifications : • Five Separate Bridges Are Assembled To Form The Lcr Bridge • Built In Oscillator Is Provided In The Instrument • Built In Detector Is Provided In The Instrument • Selector Switch Is Provided On The Front Panel For R, L & C • Dials Are Provided On The Front Panel For D & Q. • Power Requirement : 220 Vac +10% , 50 Hz • Weight : 3.0Kg Approx. Standard Accessories : Beaker, Heating Rod, Rtd ( Pt- 100 ) , Thermometer ( 0- 100ºc )
