UNION INTRUMENTS #17 & 18, 4th floor, Hanumathra Arcade

60 feet road, Pattegarapalya, Bangalore-560072

KARNATAKA-INDIA

CATALOG

ANALOG COMMUNICATION SYSTEMS

DIGITAL COMMUNICATION SYSTEMS

Arm controller kits

PLC Trainer KITS

Microcontroller kits

Regulated Power supplies

ASK AND FSK MODULATION AND DEMODULAION

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

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

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.

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.

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 OA79.

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.

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.

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.

PAm/PWM/PPM Trainer kit

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.

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.

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 On-

board linear regulators generate +3.3V/5V, 500mA.

ISP and reset switch.

12.0000 MHz crystal for MCU.

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

UNION INTRUMENTS #17 & 18, 4th floor, Hanumathra Arcade

60 feet road, Pattegarapalya, Bangalore-560072

KARNATAKA-INDIA

+91-953877189, 8951256363, 9066195428

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.