Adarsh International

A general purpose experimental board to construct more than 60 experiments of Digital Electronics e.g. Construction & Verification of truth tables of Logic Gates, Boolean Identities and DeMorgan Theorems, Digital Adder & Subtracters, Flip Flops, Counters, Shift Registers, Encoder & Decoders, Multiplexer & De multiplexer etc.Ten LED output indicators & one 7- segment displays are provided, 1 Hz moonshot clock pulse with pulser switch & Clock Generator with selectable using band switch, One DPM (Digital Panel Meter) is mounted on the front panel.

To study Digital To Analog Converter using R-2R network, 1 Voltmeter, 4 SPDT switches provided for selecting logic 1 & logic  0, one output indicators, Circuit diagram printed on the front panel.

• CRO 20MHz, Dual Channel, 2 Trace.
• Cathode Ray Oscilloscopes
• Screen: Diameter 5”, green phosphor

• + 3db 4 Hz 1.2 MHz.
• + 6db 3 Hz 2 MHz.c) Sensitivity: 0.09 RMS volts per inch at 1 KHz
• Input Impendence at 1 MHz 
• 2.6 Meg ohms at x 1
• 3.3 Meg ohms at x 10 and x 100e) 

• + db 2 to 245 KHzf) Response: + 6 bd 1 650 KHz.g) Sensitivity : 0.275 RMS volts per inch at 1 Khz Input Impedance 25 Mfd shunting 10 Meg ohms Sweep Generator Multivariate 20 hz to over 150 Khz
• Input : 230 volts A.C. 50 hz. Cathode Ray Oscilloscope :-
• Distortion: 1% Max 3 cm trace
• Beam Shift : Full width of screen on X & Y axis
• X – axis : Linear time base 50 Hz sine
• Attenuation : In Y Amplifier
• Test Signals: 50 Hz. 1V and 10 V R.M.S. full filtered

• Inbuilt Variable DC Regulated Power Supply
• On Board Digital Meters
• Photocell mounted on wooden box having windows for injecting light and also for sliding the various filters.
• Three round filters of different colors (Red, Green & Blue).
• Lamp holder with Sixty-watt bulb.
• Power chord, Patch chords, Instruction manual.

• Amp with meter mounted on the front panel
• Germanium crystal mounted on a pcb with four connectors/probes. Four wires for crystal connections are provided with banana plugs at the end.
• Constant current power supply fitted with two digital meters for Hall’s voltage & crystal current. Provided with banana sockets for connection with the crystal
• Gauss meter digital, Range:0-20 K Gauss. The instrument is provided with two scale ranges of 2k Gauss, 20k Gauss.
• Hall probe made of highly pure Indium Arsenide Crystal and is encapsulated to a nonmagnetic sheet and is connected to a three feet cable. A removable cap is provided for protection of the probe.
• Wooden stand to hold the probe and crystal arrangement between the two poles of the electromagnet

Descriptions:

·         An LCR impedance circuit apparatus is a piece of lab equipment designed to study the behavior of a circuit containing a resistor (R), inductor (L), and capacitor (C)

·         Instrument comprises of variable AC Power Supply 0-15 VAC, 2 AC

·          It allows for the measurement of impedance, voltage, current, and power factor of the LCR circuit. 

·         The apparatus typically includes a variable AC power supply, AC meters, and internal components (resistors, capacitors, and inductors) connected in series or parallel. 

Components:

·         Variable AC Power Supply: Provides a controllable AC voltage source to drive the LCR circuit. 

·         AC Meters: Two AC moving coil meters are used to measure the voltage and current in the circuit. 

·         Internal Components: Resistors, capacitors, and inductors are housed within the apparatus, with connections brought out to terminals or sockets for experimentation. 

·         Impedance Measurement: The apparatus allows for the calculation of the impedance of the LCR circuit, which is the total opposition to current flow in an AC circuit. 

·         Power Factor Calculation: The apparatus can be used to determine the power factor, which relates to the phase difference between voltage and current. 

• 1Hz to 100KHz (Analog) 
• 1Hz TO 200KHz
• 1Hz to 1MHz (Analog) 
• 1MHz (Digital) 
• 2MHz (Digital) 
• 10MHz (Digital)

• Power supply.
• Bar magnet.
• Compass box.
• Wooden stand set.
• Patch chords & Instruction manual.

Objective : To plot static and Transfer Characteristics.
Features : Instrument comprises of Two DC Regulated Power Supplies 0-15VDC/150mA & 0- 3VDC/150mA, three round meters for voltage & current measurement, FET BFW10 mounted behind the panel.

• 8K bytes of EPROM loaded with powerful monitor program
• Memory mapping definable by the user.
• 16 bit programmable timer/counter using 8253.
• 24 I/O lines provided through 8255
• 22 I/O lines provided through 8155
• RS-232C interface through SID/SOD Lines withAuto baud rate.
• Two modes of commands: - Hex Key pad mode & - Serial mode All address, data & control lines are buffered and made available at the edge connector as per STD bus configuration.
• 25/28 key hexadecimal keyboard and six seven segment displays through 8279
• Powerful software commands like Relocate, String, Fill, Insert, Delete, Block Move, Examine/Compare Memory, Examine Register, Insert Data, Delete Data, Single Step, GO, Break Point in both Serial & Keyboard mode.
• Facility for Downloading/Uploading files from/to PC.