ECE PRACTICAL EQUIPMENTS

8051 Micro controller Kit • Operating voltage: +5 V dc. • Flash memory: 4 kB (AT89C51) / 8 kB (AT89S52). • RAM: 128 bytes internal RAM. • 16 × 2 alphanumeric LCD display. • Push buttons / tactile switches. • DIP switches for digital input. • Inbuilt ADC interface: LDR, potentiometer. • Inbuilt DAC interface. • Inbuilt stepper motor driver with stepper motor. • Inbuilt DC motor driver with DC motor. • 1 × 4 LED array, 1 × 4 keypad, 1 × relay. • 1 × buzzer, 16 × 2 LCD display, 1 × PWM driver. • 1 × hardware interrupt key, inbuilt RTC. • Inbuilt EEPROM and UART module. • 4 × 7-segment display. • Supports both Assembly and C language programming. • PC interfaceable.

Embedded Trainer Kit (Using LPC2148) • CPU -LPC2148, Core -16/32 bit ARM7TDMI-S • Speed -Max 60 MHz, Flash -512KB, RAM (on-chip) –40kB, 46 General Purpose I/OPins, USB2.0 • One 10bit A/D Converterwith 14 Analog inputs, One 10bit D/A Converter, Six PWM &Watchdog • Two UARTS (16c550), Two I2C (400Kb/s), Two SPI • Eight Bit Digital Output, Eight Bit Digital Input,16x2 Characters LCD and 4x4 matrixkeypad • One potentiometer for giving analog input, Relay & Buzzer Interface • I2C Devices: RTC, EEPROM and Seven segment Display, On Board Stepper MotorDriver • LM35 Temperature Sensor, One RS 232 Lines are Terminated at 9 Pin D type connector and USB interface • Board has inbuilt power supply and mounted in sturdy cabinet Accessories • USB cable with utility software to download programs from PC to target board • Power Cord, User Manual

Ask modulation and Demodulation kit • Message Signal1: 8-bit variable data,amplitude 5V. • Message Signal 2: Debounced data, amplitude low (0) and high (5 V). • Message Signal 3: Fixed data 25 kHz, 12.5 kHz, 6.25 kHz, 3.12 kHz, amplitude 5 V. • Carrier signal: Sine wave, frequency 200 kHz, amplitude 5 V. • Modulator type: Switching modulator using analog switch / transistor switching IC. • Demodulator: Envelope detector and LPF. • Comparator: LM311 based. • Supply voltage (board): +12 V, +5 V dc. • Supply current: 100 mA minimum. • Input voltage: 230 V ac, 50 Hz. • Interface connectors: 2 mm banana socket.

DTH trainer kit Power Supply: • 200 V to 240 V ac, 50 Hz. Dish Antenna: • 1.5 ft aluminium steerable dish antenna. LNB (Low Noise Block Down Converter): Input frequency: Ku-band. • Output frequency: 950 MHz to 1450 MHz. • Conversion gain: 65 dB. • Noise temperature: 35 K (max). Set-Top Box Receiver in Trainer Form: • IF frequency: 70 MHz. • Video bandwidth: 50 Hz to 5 MHz. • Video output level: 1 Vpp at 75 Ω load. • Video polarity: Normal/Inverted, switch selectable. • Audio subcarrier frequency: Tunable from 5.0 MHz to 8.0 MHz. • Remote control provided. • HDMI cable: 10 m. Controls: • Channel selection. • Volume control. Fault Simulation: • Five built-in simulated faults for troubleshooting experiments. • IF signal disconnected. • Video output fault. • Audio mute fault. • Tuner misalignment. • RF output interruption. PCB Size: • 15" × 12" with multicolour section-wise block diagram. Standard Accessories: • 1.5 ft dish antenna. • LNB. • Trainer PCB.• Dish connecting wire. • Audio-video cable. • User manual. • Acrylic cover. • Hardware materials for assembly of dish antenna. Additional Features: • DTH subscription connection with Doordarshanfree channels. • Free-to-air channel demonstration.