DIGITAL ELECTRONICS LAB TRAINING SYSTEM

Brand: PValley

Model: DL-378L6

Country of Origin: China

Country of Assemble/ Manufacturer: Bangladesh

Technical Specification:

Solderless Breadboard: Interconnected nickel plated contact with 1680 tie-points

• DC Power Supply:
  • Variable ±1.5VDC~ ±15VDC/500mA
  • Fixed +5VDC/1A
  • Fixed -5VDC/500mA
  • Fixed +12V/500mA
• Minimum Sixteen (16) Bits Output LEDs
• Minimum Sixteen (16) Bits Data Input Switches
• Four (4) Slide Data Input Switches
• Two (2) Pulse Switches (with debounced circuit); outputs TTL and complement TTL
• Pulse Signal Generator (Variable):
  • Frequency Range: 1Hz~10Hz; 10Hz~100Hz; 100Hz~1KHz; 1KHz~10KHz; 10KHz~100KHz; 100KHz~1MHz
  • Output: TTL and variable amplitude output
• RC Configurable Timer Output from 1Hz
• AC Supply: 12VAC, 50Hz (with Overload Protection)
• Built-in Speaker (8 Ohms)
• Robust Mono-Board Design
• Intelligent Logic Probe with 7-Segment LED Indicator
• Built-in Digital Multimeter:
  • Display: 3.5 digit LCD
  • DC Voltage: 200 mV/2V/20V/200V/1000V
  • DC Current: 2000μA/20mA/200mA/10A
  • AC Voltage: 200V / 750V
  • Resistance: 200Ω / 2KΩ / 20KΩ / 200KΩ / 2000KΩ
  • Continuity Tester
  • Transistor Tester
• Variable Resistor (Potentiometer):
  • 1K-Ohm (0.25W); 3-output terminals
  • 100K-Ohm (0.25W); 3-output terminals
  • 1M-Ohm (0.25W); 3-output terminals
• Four (4) digits 7-segment LED display with BCD decoder drivers
• Dimension: 375mm x 200mm x 114mm(WxDxH)
• Input Supply: 240VAC/50Hz
• Mains ON/OFF switch with indicator & overload protection with fuse

  TEACHING MODULE SPECIFICATION:

• BASIC LOGIC GATE MODULE – Model: MOD1:
  • Overview & Introduction to logic & digital switches
  • Basic logic gates experiments & characteristic: OR, AND, Inverter, NOR, NAND
  • Boolean Algebra & Simplification of logic equation
  • DeMorgan’s Theorem & Karnaugh Map simplification
  • Introduction to TTL, CMOS, DTL, DL & RTL logic circuit
  • Universal function for NAND and NOR gates
  • Basic combinational circuit using AND, NAND, OR, NOR & NOT logic
  • Circuit components:
    • HEX inverter (NOT Gates): 4 sets
    • 2 input OR Gate: 2 sets
    • 2 input AND Gate: 2 sets
    • 2 input NAND Gate: 4 sets
    • 2 input NOR Gate: 4 sets
    • 3 input OR Gate: 2 sets
    • 3 input AND Gate: 2 sets
    • 3 input NAND Gate: 2 sets
    • 3 input NOR Gate: 2 sets
    • 4 input OR Gate: 1 set
    • 4 input AND Gate: 1 set
    • 4 input NAND Gate: 1 set
    • 4 input NOR Gate: 1 set
• EXCLUSIVE OR(XOR) & LINE ENCODER / DECODER – Model: MOD-2:
  • Introduction to Exclusive OR(XOR) and XNOR gates
  • XOR logic using NAND gates, NOT-AND-OR gates, NOT-NOR gates
  • XNOR logic using NOT-NAND gates
  • Dual input XOR circuit: 4 sets
  • Dual input XNOR circuit: 2 sets
  • Tri-state Inverter using 74xx40
  • Tri-state buffer using 74Lxx41
  • 4 to 16 Line Decoder using 74xx154
  • 8 to 3 Priority Line Encoder using 74xx148
• FLIP FLOP MODULE – Model: MOD-3:
  • Introduction to RS, Data, T & JK Flip Flop
  • Clocked RS Flip Flop using NAND gates
  • Clocked D Flip Flop with clear & preset
  • Clocked JK Flip Flop with clear & preset
  • Constructing T Flip Flop from JK Flip Flop
  • Constructing D Flip Flop from JK Flip Flop
  • Synchronous Binary counters (count up/down)
  • Asynchronous Mode-N counters
  • Asynchronous Binary counter
  • BCD counter
  • Shift registers using D Flip Flop
  • D Flip Flop circuits with clock in, clear & preset: 4 sets
  • JK Flip Flop circuits with clock in, clear & preset: 4 sets
  • RS Flip Flop circuits: 3 sets
  • Clocked RS Flip Flop circuit: 1 set
• COMBINATION LOGIC 1 – Model: DEM-2 & 3:
  • Constructing NOR circuits using basic gates
  • Constructing NAND circuits using basic gates
  • Constructing XOR circuits using basic gates
  • Comparator circuit using XOR(2X) and NOT(2X) gates
  • Parity Generator/Checker using MSI 74xx280
  • Gray code to Binary conversion using XOR(3X) gates
  • Binary to Gray code conversion using XOR(3X) gates
  • Half adder circuit using XOR(1X) & AND(1X) gates
  • Full adder circuits using XOR(1X), AND(2X) & OR(1X) gates
  • Half subtractor circuit XOR(1X), NOT(1X), AND(1X) gates
  • Full subtractor circuit using XOR(2X), AND(2X), NOT(1X) & OR(1X) gates
  • Four bit parallel adder using IC chip
  • On board faults switches
• COMBINATION LOGIC 2 – Model: DEM-4:
  • Basic 1 of 4 Decoder using NOT(2X) & AND(3X) gates
  • BCD-Decimal decoder using 74xx42
  • 7-Segment Decoder/Drivers using 74xx47
  • Decimal to BCD Encoder using 74xx147
  • Basic encoder using NAND(2X) & pull up resistors
  • On board fault switches

  MANUAL & ACCESSORIES:

• Operation / User Manual x 1
• Lab Experiment Manual (with answer) x 1
• Power Cord Cable x 1
• Connecting Lead x 1
• Spare Fuse X 2