CATALOG ANALOG COMMUNICATION SYSTEMS DIGITAL COMMUNICATION SYSTEMS Microcontroller kits Arm controller kits PLC Trainer KITS Regulated Power supplies UNION INTRUMENTS #17 & 18, 4 th floor, Hanumathra Arcade 60 feet road, Pattegarapalya, Bangalore-560072 KARNATAKA-INDIA
QPSK MODULATION AND DEMODULAION kit Technical Specification: Data Bits: 8 bit RZ Variable Data with sliding switch selection. Carrier: On board sine carrier of 8 KHz/5V amplitude with four different phases (0, 90,180 and 270 deg). Bit splitting Into In phase and Quadrature phase components using D-Flip Flops. QPSK Modulator: Using IC CD4051 (Multiplexer). X and Y constellation is provided for plotting Quadrature components. QPSK Demodulator: Squaring and Carrier phase comparison method. ASK AND FSK MODULATION AND DEMODULAION Technical Specification: Data Bits: 8 bit RZ Variable Data with sliding switch selection. Carrier: On board 5 KHz-50 KHz Variable frequency and 0-5V amplitude sine wave. ASK Modulator: Using IC CD4066 (Bilateral Switch). ASK Demodulator: Using IC TL084 with Low Pass Filler. FSK Modulator: variable carrier frequency Modulation using XR2206 FSK Demodulator: Demodulation using PLL method (using IC LM565). Data Format: 8 bit parallel data representation using LED s ANALOG SAMPLING AND RECONSTRUCTION. Technical Specifications Onboard Input Sinusoidal Signal: 2 khz. Sampling Freq: 2 KHz, 4 KHz, 8 KHz, 16 KHz, 32 KHz (Selectable) Variable duty cycle: 10% to 90% Cut-off Frequency: 3.4 khz. Outputs: Sampling Amplifier & Sample Hold Amplifier Reconstruction: 2nd, 4th & 6th Order Butter worth LPF
PSK AND DPSK MODULATION AND DEMODULAION Technical Specification: Data Bits: 8 bit RZ Variable Data with sliding switch selection. Carrier: On board 8 KHz/5V amplitude with 0 deg and 180 deg phase sine wave.psk Modulator: Using IC CD4051 (Multiplexer). PSK Demodulator: Carrier phase comparison. Differential Encoder/Decoder using EX-OR and EX- NOR Logic. DPSK Modulator: Using IC CD4051 (Multiplexer). DPSK Demodulator: Carrier phase comparison. Fiber Optics communication trainer kit Advanced fiber optics Technical specification: Analog signals: 250 Hz, 500 Hz, 1 KHz sinusoidal signals with variable amplitude from 0-5V. Onboard multiplexed analog signal. Digital signals: 2 KHz pulse of 4 different levels (1v, 2v, 3v and 4v). Onboard multiplexed digital signal. 8 bit variable data with LED is provided for digital link establishment. On board PWM signal generation and detection. Built in CODEC chip. On board Audio amplifier and audio receiver with gain adjustment potentiometer. RS-232 connector for PC to PC communication. On board connectors for measuring FO-LED voltage and current Transmitter: Fiber optic LED with wavelength is 660nm. Onboard FO-LED intensity variable potentiometer. Connectors for calculating FO-LINK losses. Receiver: FO-Transistor
Pulse code Modulation and Demodulation. Technical Specification: DC Signal: Variable 0-5V. Analog Signal: On board sine wave frequency of 1 KHz-5 KHz and 0-4V amplitude. PCM Modulator: Using A/D Conversion IC. PCM Demodulator: Using D/A conversion and LPF. 8- Level LED indication for both Modulation and Demodulation. On board 3.5mm Audio jack is provided for both Microphone and Speaker. On board CODEC IC provided for PCM generation and Detection. Audio Signal: On board 20Hz-20 KHz Audio signal generator. Time Division Multiplexing and Demultiplexing (TDM). Technical Specifications Input Sine waves: 2KHz, 1KHz, 500Hz, 250 Hz Synchronization Pulse Generation: using (Variable 0-5V) DC level Generation of receiver clock and channel information using PLL Communication through three, two and single wire modes Sampling Rate: 32 KHz Reconstruction: 4 order low pass butter worth filter Cut-off Freq: 3.4 khz, Clock Recovery & Sync Detect- 2 of the fundamentals aspects using PLL Techniques AMPLITUDE MODULATION AND DEMODULATION Technical Specifications RF Generator Colpitts oscillator generates, 1 MHz frequency to use as carrier signal. AF Generator low frequency signal 2 KHz is generated and used as the modulation signal. Power supply On board power supply provide +12v, - 12v and current rating 150ma each. Modulation Amplitude modulation using BC107 transistor (NPN). Demodulation Envelop detector using Diode
frequency MODULATION AND DEMODULATION Technical Specifications. AF Generator Generates low frequency signals of 500 Hz and 5 KHz to use as a modulating signal. Regulated Power supply On board power supply provide +15v, -15v, +5v, -5V and current rating 150ma each. Modulation frequency modulation using XR-2206 with frequency of operation can be selected externally over a range of 0.01Hz to more than 1MHz. Demodulation frequency demodulation using general purpose PLL LM565. PAm/PWM/PPM Trainer kit Technical specifications On board Input signal (Sinusoidal): 1khz, 2khz and Non-sinusoidal (Variable Amplitude) On board Sampling Frequencies: 4khz, 8khz,16khz, 32khz (Switch able) Modulations &Demodulations: PAM (Natural & Flat Top), PWM and PPM Reconstruction of PWM using RAMP Generator Variable pulse width Reconstruction using low pass filters. PLC Trainer kit Specification: Make : LS-Master K Series/ABB/SIEMENS PLC system with built in 8 Digital Input, 6 Digital Output RS 232 serial interface to up load and down load facility to / from PC system 24V/1A built-in power supply Ladder Editor Programs. Front-end connection through 4mm sockets and fixed I/O connection. Toggles switches and L.E.Ds. Interfacing Experiments With Simulation modules: Conveyer Control Simulation. Lift Control Simulation. Traffic Light Simulation. Water Level Controller Simulation. Stair Case Light Simulation. DOL Starter Control Simulation. Star delta Starter Control Simulation. Parking garage Simulation.
ARM7 (LPC 2148) STARTER KIT Salient features of the board: 16X2 character LCD with backlight. 1 UART/ISP ports. Buzzer interface. User potentiometer connected to ADC interface. 8 user LED s. USB interface. Relay interface circuit. Stepper motor interface with onboard driver. DC motor interface circuit. Power: DC 12V/1000mA with power LED Onboard linear regulators generate +3.3V/5V, 500mA. ISP and reset switch. 12.0000 MHz crystal for MCU. Delta/adaptive delta modulaton & Demodulation KIT Technical Specifications. On board Input signal (Sinusoidal): 500hz, 1khz. On board Sampling Frequencies: 4khz,8khz,16khz,32khz 64khz,128khz (Switch able). Modulations : Square and Integrator Outputs. Demodulation : Reconstruction using low pass filters. Micro controller kit Interfacing of ADC by connecting a variable voltage supply to the i/p of ADC. Interface DAC to generate different waveforms (like sine, square, triangular and ramp). Hex keypad / calculator inter face. Interface stepper motor and control its speed and direction. Interface push button switch & seven segment display, count the number. DC motor inter face 1 Relay with LED indication Buzzer interface USB Flash programmer.
Advandced fpga kit Spartan 6 Advanced Board Model No VFGA-F-2.0 USB Downloading and Built in following Interface modules 16X2 LCD Display DC Motor Interface Stepper Motor Interface Relay Interface ADC Interface DAC Interface Buzzer Interface Mobile communication trainer kit Hardware Specifications Dual band 900 / 1800 MHz GSM / GPRS Modem. Data, SMS, Voice. Remote control by AT commands (according to GSM 07.07 and GSM 07.05). Maximum output power 2W for GSM 900: 1W for GSM 1800. Input voltage 5.5V to 12V DC. Current 1.8A peak at 5.5V, 330mA average at 5.5V Onboard Details: Antenna connection port Test point for Antenna Signal GMSK_Mode Test point for Battery Voltage (Output Charging Voltage) Test point for Vibrator PWM signal Test point for Buzzer PWM signal RS- 232 Port using PC and GSM Module connection RS- 232 Port using CPU and GSM Module connection (Mobile trainer works like Standalone) Vibrator ON/OFF Switch CPU Section GSM Module (SIM900D) Hand Free Unit (Include Mike and Speaker I/O Signals) SIM Signals Section Audio Output signal Audio input signal Power supply Different Voltages LCD Power ON/OFF switch 4*4 matrix Keyboard Signals section LCD Signals Section LCD Display (LAMPEX_LG128642_Dispaly) 20. 4*4 Matrix Keyboard
ABOUT US Dear Customers, We take immense pleasure to introduce ourselves as one of the leading manufacturers and distributors of Education lab equipments in India. Having industry experience of more than 05 years and being associated with some of the best companies in the field, we offer wide range of quality products in test & Measurements, Digital &Analog Communication, Fiber optic Communication, Microwave Communication, Embedded Systems, Network Security Systems, Transmission line, Antenna & RF Communication etc., Our products are designed to suit Educational needs. UNION INTRUMENTS #17 & 18, 4 th floor, Hanumathra Arcade 60 feet road, Pattegarapalya, Bangalore-560072 KARNATAKA-INDIA +91-953877189, 8951256363, 9066195428