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Time Response and Frequency Response of Second Order System Closed loop system response for PID Simulation Speed control of DC Motor using closed loop feedback system Speed control of SC Motor using closed loop feedback system Study of compensating Network (Lead-Lag Network) DC Servo motor Speed Torque characteristics unit AC Servo motor Speed Torque characteristics unit Synchro Transmitter-Receiver unit PID Controller (AnalogMicroprocessor Based) DC Position Control System

Product Category :  Digital Communication Lab Trainer  (Series : 200-B)Product Name : QPSK  Modulation &  Demodulation Model No. : SB-221   Product Details QPSK Modulation: This circuit has two bit Data Splitter, two Balance modulators wired using IC 1496, 900 RC Phase shift networks and OP-AMP IC 741 as summing amplifier. The 8 bit digital data input with clock input is applied to Data bit splitter  network to split the data into pairs, which is then applied as an inputs to separate balanced modulators with direct and 900carrier input to provide balance modulator outputs which after summing network provides QPSK modulated data output. on board 8 bit digital Data generator, Clock input, Sine wave carrier signal generators (1No) with variable frequency upto 100KHz and 10Vpp amplitude. facility to change the digital data input bits, and carrier input. four phases output 00,900,1800,2700, for data inputs 00,01,11,10 respectively. Maximum carrier frequency 50KHz, sampling pulse output, Discrete level circuit. QPSK Demodulation: This circuit is wired with two mixers, 900 RC Phase shifter, two wave shaping networks, logical decision device circuit and OP-Amps to form QPSK Demodulation circuit to provide the demodulated serial data output with minimum noise for the applied QPSK input signal. Four phase QPSK input, Digital Data input 8 bit, sampling pulse input, maximum carrier input frequency 50KHz, QPSK detector bandwidth upto 2KHz, Discrete level circuit, Built-in fixed DC ±12V/+5V/1A Power supply and maximum test point. Objectives : To Study the Quadrature Phase Shift Keying (QPSK) Modulation. To observe & note the change in QPSK O/P w.r.t. the change in digital Data I/P. To observe & note the change in QPSK O/P w.r.t. the change in Carrier I/P. To Study the Quadrature Phase Shift Keying (QPSK) Demodulation. To observe the note demodulated O/P w.r.t. change in modulating digital Data I/P. To observe and note the change in the O/P w.r.t. change in carrier I/P. To observe and note the distortion/error in O/P w.r.t change in applied digital data I/P. Accessories Included :  Set of Patch Cords, Operating Manual.

To meet the diversified requirements of our prestigious clients, we are engaged in offering qualitative array of Simplex Analogue Transceiver Trainer. This has timer IC for square wave frequency generator, the offered transceiver trainer is designed utilizing top grade material and latest technology, in compliance with the quality standards. Our offered transceiver trainer is checked by quality controllers to deliver a flawless range from our end. Features:- Excellent signal strength Reliable Require less maintenance Other Details :- Two isolated IC Regulated D.C. Power Suppliers Three potentiometers to vary R (Threshold Resistance), R (Input Resistance) and frequency Fibre Optic Digital Transmitter @ 660 nm Fibre Optic Digital Receiver Adequate no of other electronic components Mains ONOFF switch, Fuse and Jewel light

1. Display : 15� Diagonal Size, Flat panel display / TFT active matrix Max Resolution : 1280 x 1024 Aspect ratio : 4:3 2. Image Image Brightness : 300 cd/m2 Image Contrast Ratio : 350:1 Image Max H-View Angle : 160 Image Max V-View Angle : 160 3. Interface Analog Video Input : RGB VGA (HD-15) Analog Video Input : S-Video Composite Video Input : RCA Yellow, Audio Input : RCA- Left (White), Right (Red) Antenna RF Input : RF - SDTV/ PAL 4. Application : Used as Monitor (PC), DTV, SDTV, AV Player, S- Video Player 5. Computer Monitor Driver : Windows 98, XP, 2000 6. Tuner Channels : 2 to 69 7. On Screen display : Volume, Brightness, Contrast, Color, Channel, Tuning. 8. Remote Control functions : On screen display of Volume, Brightness, Contrast, Channel 9. Audio Amplifier : 3 W PMPO 10. Faults : 7 No. 11. Power supply : 230V + 15% AC, 50 Hz, 60 watts. 13. Standard Accessories : Trainer LCD Display & Mains Cord & Remote..

The Anderson Bridge Circuit is one most common bridge for measurement of self inductance of an inductor. The self inductance is determined in term of known capacitance and resistance. This method is quite similar to Maxwell L - C bridge except that, it is modified by inserting another resistive arm (r) in series with C' in P arm.

Our noteworthy entity is actively engaged in manufacturing, supplying, and exporting a high-quality Power Electronic Trainer kit. We are based in Kerala, India. It is precisely engineered by our adroit professionals, who use the pristine grade materials and sophisticated techniques in line with the latest industrial standards. It demands a negligible maintenance. This kit undergoes a series of quality checks before being delivered to our prestigious clients.

We are considered among the popular Electronic Training Board Manufacturers and Exporter for providing a wide range to the clients. Our Electronic Training Boards are designed by expert technicians after much research and tested throughout as well as after production to ensure that these meet international standards. Models Available : Basic Logic Gates (5 in - 1) ( EL 247)Study & Verify truth table for TTL OR, NOT & NOR Gates ( EL 249)Study & Verify truth table for TTL Ex-OR Gate. ( EL 250)Verify truth table of DTL NOT Gate ( EL 255)Verify truth table of DTL NAND Gate ( EL 257)Verify truth table of DTL NOR Gate. ( EL 258)Verify truth table of DTL Ex-OR Gate. ( EL 259)Verification of Logic Gates & DemorgansTheorems using TTL Logic Gates. ( EL 261)Verification of truth table of Logic Gates using NAND & NOR Gates. ( EL 262)Study of 4 Bit Adder & Subtractor (using IC 7483) ( EL 263)Verify Adders & Subtractors using OR, Ex-OR, AND & NOT Gates. ( EL 264)Digital Trainer to verify Half Adder (Using OR, Ex-OR & AND gates) ( EL 265)Digital Trainer to verify Half Subtractor (Using OR, Ex-OR & AND gates) ( EL 266)Digital Trainer to verify Adders & Subtractor using NAND gates. ( EL 269)Digital trainer to study and verify truth table of flip-flops. ( EL 270)Digital trainer to study R.S., D-Type, JK & T Type Flip Flops ( EL 271)Study & verify truth tables of 'JK & T' type flip flops using Nand gates. ( EL 273)4 Bit Binary to Gray Code Convertor. ( EL 275)Study of 4 Bit Ripple Counter (forward & reverse) ( EL 277)Study of 4 Bit Ripple Counter (forward, reverse & modulo) ( EL 278) Specialty : Available in varied specificationsCustom-made modelsMeasures a wide range of Logic gatesClearly designed displayPrecise performance Demanded by : SchoolsColleges