Government Polytechnic College

Government Polytechnic College has published Supply Of Equipments Supply Of Equipments , Supply Of Industrial Electronics And Communication Engineering Practical Labs Equipments , Construct A Lamp Dimmer Using Triac Light Dimmer Circuit Using Diac-Triac: - • This Unit Consists Of 110V @ 100Ma Isolated Step-Down Transformer. • The Triac Is Provided With Fuse And Snubber Protection. • A Diac And Associated Rc Components Are Provided To Vary The Firing Angle. • Lamp Of 40Watts Also Provided. • Input 230V Ac Mains. • Closed Type Ms Box Cabinet. , Construct And Draw The Vi Characteristics Of Igbt: - • Two Variable Dc Supplies 0 To 12 V&0 To + / -15V @500Ma • On Panel Igbt With Circuit Diagram • Two Dual Range Digital Panel Meters • Required Numbers Of Patch Cords And Operating Manual , Construct And Draw The Vi Characteristics Of Power Mosfet: - Mosfet Characteristics Study Unit: - • Two Variable Dc Supplies 0 To15 V &0 To24 V@ 500 Ma, • On Panel Circuit Diagram With Mosfet • Two Dual Range Digital Panel Meters. Required Numbers Of Patch Cords And Operating Manual. , Construct And Draw Single Phase Half-Controlled Bridge Converter With Resistive Load: - Single Phase Half / Bridge Controlled Bridge Converter With Rload: - • Inbuilt Firing Circuit Based On Ramp Comparator Method To Trigger 2Scr’S With Pulse Transformer Isolation. • Firing Angle Variation From1800 To 00 On A Graduated Scale. • Inbuilt Power Circuit Consists Of 2 Scr`S And 3 Diodes With Fuse & Snubber Protection. • A 24V / 1A Ac Source As Input To Bridge. • Input 230V Ac Mains, R-Load-25Watts Closed Type Ms Box Cabinet. , Construct And Design A Fan Regulator Using Triac And Diac: -Fan Motor ( 230V Ac ) Speed Control Circuit Using Triac-Diac: • This Unit Consist Of 230V@100 Ma Isolation Transformer To Observe The Waveform On Cro. • The Triac Is Provided With Fuse And Snubber • Protection. • A Diac And Associated Rc Components Are Provided To Vary The Firing Angle. • A Small Instrument Fan Is Provided Along With The Unit. • A 230 V Incandescent Lamp Is Also Provided. • Mains Operated. • Screen Printed Ms Panel. Instruction Manual. , Construct And Test The Performance Of Series And Shunt Equalizers With Inbuilt Power Supply And Inbuilt Speaker And Signal Source Should Be Connected Externally , Amplitude Modulation And Demodulation Trainer Kit With Inbuilt Signal Sources • Af Signal Generator1 Khz • Carriergenerator100khz • Amplitude Modulator • Amplitude Demodulator • Power Supply + / -5 V@500 M • Required Numbers Of Patch Cords And Operating Manual , Construct And Test The Performance Of Am Linear Diode Detector • Af Signal Generator • Carrier Generator 100 Khz • Amplitude Modulator & Diode Detector • Power Supply + / -5 V, 500 Ma • Required Numbers Of Patch Cords And Operating Manual , Construct And Test The Performance Of Pulse Width Modulation Pwm • Af Signal Generator1 Khz • Carrier Generator 8 & 16*Khz • Pwm Modulator & Pwm Demodulator • Power Supply + / -12 V@ 500 Ma • Required Numbers Of Patch Cords And Operating Manual , Construct And Test The Performance Of Pulse Position Modulation Ppm • Af Signal Generator1 Khz • Carrier Generator 8 & 16*Khz • Pwm Modulator & Ppm Modulator • Ppm Demodulator • Power Supply + / - 12 V@ 500 Ma • Required Numbers Of Patch Cords And Operating Manual , Frequency Response Characteristics Of Two Way Cross Over Network Kit Study Of Constant K Type Filters Trainer ( 4 Types ) • On Panel Independent Lc Filter Networks ( Lpf, Hpf, Bpf&Bsf ) Required Numbers Of Patch Cords And Operating Manual. , “Lt” Trainer Kit For Determining The Directional Characteristics Of Moving Coil Microphone And Dynamic Cone Loudspeaker Specifications: • +12Vdc / 100Ma. • On Board1khz Sine Wave Oscillator Provided. • Input Amplifier Stage Using Tl074. • Low Pass Filter Given On Board. • Ac Amplifier Given On Board. • Power Amplifier Given On Board With Volume Control. • Circuit Diagram Is Printed On Glass Epoxy Pcb & Different Combination Of Resistance. • Test Points Are Brought Out On Front Panel. • Provision To Connect External Function Generator Experiments Can Be Done: • Frequency Response Of Moving Coil Microphone And Loud Speaker. • Items Supplied: • Power Amplifier Trainer • Dynamic Cone Loud Speaker • Moving Coil Microphone Sound Decibel Meter => Limited. Last date of submission for this tender is 2022-05-17. This is a Storage Chests And Cabinets And Trunks tender in Salem, Tamil Nadu