Description
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Emitting Diode (LED’s)
Bridge rectifier is designed with four LED’s internally arranged in bridge pattern fitted inside a plastic moulded case. Two LED’s are red and two LED’s are green. This device is used to demonstrate the functioning of a bridge rectifier, i.e., to convert alternating current (AC) into direct current (DC). Two yellow sockets are used for AC input. Two sockets, one red and one black, are used for DC output. For the easy understanding of the internal circuitry, the circuit diagram is printed on the box.
Bridge Rectifier
Bridge Rectifier is made of four diodes connected in a bridge circuit. It is housed in a plastic moulded box. This bridge rectifier converts alternating current (AC) into direct current (DC). It provides the same output polarity for either input polarity. All the electronic devices require direct current, so bridge rectifiers are used inside the power supplies of almost all electronic equipment. For the easy understanding of the internal circuitry, the circuit diagram is printed on the box.
Seven Segment LED Display Circuit
A common anode seven segment module is fitted on a board with 8 bit dip switch to control the each segment of seven segment LED display. The inputs A-D of a display driver are connected to the binary coded decimal (BCD) outputs from a decade counter. A network of logic gates inside the display driver makes its outputs a-g become high or low as appropriate to light the required segments a-g of a seven segment display. A resistor is required in series with each segment to protect the LEDs
Digital / Analog Training System
Solderless Breadboard has 1680 tie points. Provided with 2 Terminal strips and 4 Distribution strips. Built in DC Regulated Power Supply. DC Supply ± 5V/ 1 Amp. 0 to ± 15V DC (Variable), 1 Amp. Built-in Function Generator. . Waveform : Sine, Square and Triangle (with selector switch),
Frequency : 1 – 100 Hz Variable
Amplitude : Variable up to 10 V, TTL 5V p-p
Data Switches (Bounceless) – 8 No.
LED Display (buffered) – 10 No.
Clock Pulsar – 2 No.
Seven Segment Display with Decoder IC 7447 – 2 No.
Speaker 2.5” Dia. with sockets – 1 No.
BNC Plug with 2 mm Sockets – 2 No.
4 mm socket connected with 2 mm sockets – 2 No.
Interconnection leads having 2 mm plugs at one end – 10 No.
Interconnection leads having 4 mm plugs at both end – 10 No.
22 SWG Hook Up Wire of 20 cm length – 100 No.
Comprehensive User’s Manual – 1 No.
Input 220 V, 50 Hz. AC with On/Off indicator.
Numerical System
This panel is used to demonstrate the number systems such as binary, decimal and hexadecimal numbers. Toggle switches used to activate the displays showing the particular number entered. Input may be entered either as decimal or binary numbers with a toggle switch for mode selection. Decimal numbers are shown on a three digit seven segment LED display. 12 V / 2 A DC adaptor is required to operate it.
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