Description
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. Includes various types of ADC & DAC circuits to learn different interfacing circuits between analog and digital signal .Built-in 8-channel multiplexer in main unit to measure multiple digital signals in real time.
Multiple operation modes from 4-digit 7-segment display (a) scanning display mode, (b) individual digit
display mode, (c) frequency counter mode for measurement of internal and external clock. Individual
keep case for all modules for easy storing and carrying
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 Experiment
4. Flip-flop & Sequential Logic & Counter Circuit Experiment
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
(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
Equipment Required
1. Hand-held Digital Multimeter
2. Digital Storage Oscilloscope(DSO) : 100MHz bandwidth, 1GS/s sampling rate
and FFT function or better
Accessories:
Connecting Wire: 1 set
User Manual: 1 Nos
Standard Accessories
Others:
Country of Origin: China
Manufacturing: Assemble in Bangladesh
Training
Warranty: 1 Year
