Advanced Digital Logic Lab

Description

Advanced Digital Logic Lab

Technical Specification :

Features:

The whole trainer is fully designed by FPGA/CPLD logic circuit.
Buffer circuits have enhanced protection for each module
which is powered by main unit through power socket,
avoiding wrong input power source during the experiment.
Covers different levels of logic circuit experiments, ranging
from combinational logic, sequential logic as well as the logic
circuit interfacing with microcontroller and practical application circuit for daily use.
Students can implement their own circuit from universal
CPLD& breadboard experiment module, making it possible
toprototype most analog and digital circuits in the system.
Includes various types of ADC & DAC circuits to learn
differentinterfacing circuits between analog and digital
signal.
Built-in 8-channel multiplexer in main unit to measure
multipledigital signals in real time.

Specification :

Main Unit
1. DC Power Supply
(1) Fixed DC power supply : +5V/2A, -5V/0.5A, +12V/2A
(2) With overload protection
2. Clock Generator
(1)Signal amplitude output : 3.3V, (2)With adjustable
output frequency : square wave, 1Hz ~ 1MHz, 6 range
(3)Frequency display :4-digit, 7-segment LED
3. Logic Level Switch : Toggle switches x 8, 3.3V output
4. Data Level Switch : 8-bit DIP switch x 2, 3.3V output
5. Pulse Signal Generator
(1) 2 sets of toggle switch with independent control
output, (2) Each set with Q, Q’ output, (3) Pulse width >
5ms, each with Denounce circuit
6. Logic Level Indicator
(1) 16-bit LED with driver and protection circuit, (2) Input
Impedance : > 100K ohms
7. 8 Channel Logic Signal Tracer
(1) 8 logic signal input :input impedance : ≥ 100K ohms ,
3.3V input(2) Fixed DC level shift for each channel, (3) Input signal
attenuation ratio : 1/8, (4) Output signal : BNC or 2mm
plug, (5) Oscilloscope SYNC. select : ALT/CHOP and
scan-frequency adjustment, (6) The function can be used
only with analog oscilloscope.
8. 7-segment LED display & frequency measurement 2
DIP switches select the function :
(1) 00 : Scanning display mode
a.Common anode for the control of 7-segments a ~ g
b.Scanning cathode for the control of 4-digit S0 ~ S3
(2) 01 : Independent display mode
a.Input 4-digit of data individually and decode the data
at 7-segment
display separately
b.Independent binary input and hexadecimal output
(3) 10 : Frequency counter for internal clock
a.Display the frequency of clock generator from main
unit
b. Frequency range : 0.001KHz ~ 999.9KHz
(4) 11 : Frequency counter for external clock
a.Display the frequency of clock signal from external unit
b. Frequency range : 0.001KHz ~ 999.9KHz
9. Rotary Encoder
Rotary encoder output : PA, PB and GND signal, 3.3V
output
10. Standard Signal Generator
5 sets of frequency : 20MHz, 1MHz, 10KHz, 100Hz, 1Hz
Experiment Modules:

1. All built-in DC power socket module supply DC power
from the main unit.
2. Each module includes a CPLD chip to implement all
digital circuits shown on module panel.
3. 2mm sockets, bridge plugs, and cables are used
throughout all modules so that students can easily
create the circuits and compare different
results in short time.
4. With comprehensive experiment manual.

List of Modules:

1. Combinational Logic Circuit Experiment
2. Arithmetical Logic/Tri-state & Code Converter
Experiment

3. Encoder, Decoder & Multiplexer Logic Circuit Experi-
ment

4. Flip-flop & Sequential Logic & Counter Circuit Experi-
ment

5. Oscillator/Pulser ; Load ; Up/Down Counter Circuit
Experiment
6. Memory ; Matrix LED ; DAC/ADC & MCU Interface
Circuit Experiment
7. Digital & Analog Timer ,Pulse Generator Circuit
Experiment
8. Ramp-compare/SAR/Dual-slope ADC Experiment
9. Keyboard & Display for Stepping Motor Position
Control
10. Precise Digital Clock Timer
11. Universal CPLD & Breadboard Experiment

List of Experiments:

1. Combinational Logic Circuit Experiment
(1) NOR gate circuit
(2) NAND gate circuit
(3) XOR gate circuit
a. Constructing XOR gate with NAND gate
b. The combination with basic gates
(4) AND-OR-INVERTER (A-O-I) gate circuit
(5) Comparator circuit
a. Comparator constructed with basic logic gates
b. Comparator constructed with TTL IC
(6) Schmitt gate circuit
(7) Open-collector gate circuit
a. High voltage/current circuit
b. Constructing an AND gate with open-collector
gate
(8) Half-adder and full-adder circuit Construct HA
with basic logic gates
(9) Half-subtractor and full-subtractor circuit Subtractor circuit constructed with basic logic gates
(10) Bit parity generator circuit Bit parity generator
constructed with XOR gates
(11) Constructing a 4-to-10 decoder with TTL IC
(12) The switch characteristics of TTL level conversion
circuit
2. Arithmetical Logic/Tri-state & Code Converter
Experiment
(1) CMOS FET tristate gate circuit
a. Truth table measurements
b. Constructing an AND gate with tristate gate
c. Bidirectional transmission circuit
(2) Half-adder and full-adder circuit
a. Full-adder circuit with IC
b. High-speed adder carry generator circuit
c. BCD code adder circuit
(3) Half-subtractor and full-subtractor circuit Full-adder and inverter circuit
(4) Arithmetic Logic Unit (ALU) circuit
(5) Bit parity generator circuit
Bit parity generator IC
(6) Hex to Dec/Dec to Hex digital conversion
a. 8-digit Dec-to-Hex conversion
b. 8-bit Hex-to-Dec conversion
3. Encoder, Decoder & Multiplexer Logic Circuit
Experiment
(1) Encoder circuit
a. Constructing a 4-to-2 encoder with basic gates
b. Constructing a 9-to-4 encoder with TTL IC
(2) Decoder circuit
a. Constructing a 2-to-4 decoder with basic gates
b. BCD-to-7-segment decoder
(3) Multiplexer circuit
a. Constructing a 2-to-1 multiplexer
b. Using multiplexers to create functions
c .Constructing a 8-to-1 multiplexer circuit with TTL
IC
(4) Demultiplexer circuit
Constructing a 2-output demultiplexer with basic
logic gates
(5) Digitally controlled analog multiplexer/demultiplexer circuit
(6) The switch characteristics of CMOS level conversion
circuit
4. Flip-flop & Sequential Logic & Counter Circuit Experiment
(1) Flip-flop circuits
a. Construct R-S flip-flop with basic logic gates
b. Construct D flip-flop with R-S flip-flops
c. Construct noise elimination circuit with R-S flip-flops
d. Construct J-K flip-flop with D flip-flops
e. The J-K flip-flop of delay and differential
f . Construct master-slave J-K flip-flops with dual R-S
flip-flops
g. Construct shift register with D flip-flops
h. Preset left/right shift register
(2) J-K flip-flop counters
a. Asynchronous binary up counter
b. Asynchronous binary down counter
c. Asynchronous decade up counter
d. Synchronous binary counter
e. Synchronous binary up counter
f . Synchronous binary up/down counter
g. Johnson counter
h. Ring counter
5. Oscillator/Pulser ; Load ; Up/Down Counter Circuit
Experiment
(1) Constructing Random Access Memory (RAM) with D
flip-flop, (2) 64-bit Random Access Memory (RAM) circuit
(3) Erasable Programmable Read Only Memory (EPROM)
circuit, (4) Asynchronous four-bit binary up counter (use
of 7493 IC), (5) Presetable binary up/down counter
(6) Presetable decimal up/down counter, (7) Construct
Non-retriggerable circuit with the specialized CMOS IC
(8) Construct retriggerable circuit with CMOS IC
(9) Construct a variable duty cycle oscillator circuit with
dual monostablemultivibrators
6. Memory, Matrix LED & DAC/ADC & MCU Interface
Circuit Experiment
(1) Electronic EPROM (EEPROM) circuit, (2) DAC0800
unipolar conversion circuit experiments, (3) Bipolar
output conversion circuit, (4) ADC0804 8-bit SAC
analog-to-digital converter experiment, (5) Constructing
dynamic scanning counter with singlechip microprocessor
7. Digital & Analog Timer, Pulse Generator Circuit
Experiment
(1) Constructing oscillator circuit with basic logic gates
a. Resistor-capacitor multivibrator
b. Resistor-capacitor crystal multivibrator
(2) Constructing oscillator circuit with schmitt gate
a. Resistor-capacitor oscillator
b. Variable duty cycle resistor-capacitor oscillator
(3) 555 IC oscillator circuit
a. 555 oscillator circuit
b. Voltage controlled oscillator circuit
(4) Monostablemultivibrator circuits
a. Low-speed monostablemultivibrator circuits
b. Monostable ON/OFF delay circuit
c. Monostable ON/OFF timer circuit
d. Construct monostablemultivibrator circuit with 555 IC
(5) Numerically-Controlled Oscillator (NCO) signal
generator
(6) Precise-frequency function generator
(7) Variable-duty-cycle NCO signal generator
(8) Variable-ON/OFF delay and difference control
experiments
(9) Precise 15-bit symmetric/asymmetric PWM generator
8. Ramp-compare/SAR/Dual-slope ADC Experiment
(1) Simple R-2R unipolar output D/A converter experiments
(2) 8-bit digital-ramp A/D converter experiment
(3) 8-bit successive-approximation A/D converter
experiment
(4) 8-bit dual-slope A/D converter experiment
9. Keyboard & Display for Stepping Motor Position
Control
(1) Stepper motor position/speed control experiment
10. Precise Digital Clock Timer
(1) Clock experiment
(2) Timer experiment
11. Universal CPLD & Breadboard Experiment
(1) Create block diagram/schematic file in QUARTUS
(2) 16-bit Hex counter
(3) 16-bit decimal counter
(4) 16-bit presetable decimal up/down counter
(5) 16-bit scanning controller for 7-segment display
(6) 16-bit up/down counter and its indication by a
7-segment display
(7) Electronic music box
(8) The traffic light with animation and time indication

Interfacing Software:

QUARTUS II Web Edition
Built-in circuit simulation of experiment modules.
Fault simulation is allowed.
Users can flexibly compare the simulation analysis result
with hardware signal output.

Accessories:

1. Experiment Manual and Instructor’s Manual.
2. Connection Leads and Plugs.
3. Key,3. USB-Blaster.

Others :
Installation, Testing, and Training.
Warranty: 01(One) Year .
Origin: China.
Manufacturing: Assemble in Bangladesh.