DIGITAL ELECTRONICS LABORATORY

DEL3100 DIGITAL LOGIC LAB

MP-SCIENTIFIC

FEATURES

Suitable for combinational logic, sequential logic, and microproc-essor circuit experimentation and design.

Ideal tool for learning the basics of digital logic circuits.

Integrated training system, with complete curriculum.

Comprehensive power supply, signal supply, and testing devices for convenient experimentation.

Expandability and flexibility of experiments greatly increased by large breadboard.

Use with TTL, CMOS, NMOS, PMOS and ECL circuits.

All supplies equipped with overload protection.

13 experiment modules form basis for over 60 fully documented experiments.

Main units and experiment modules also available separately for economical construction of class sets.

The DEL3100 Digital Logic Trainer is a comprehensive and self-contained system suitable for tuition and experimentation with a range of digital electronics circuits. All necessary equipments for digital logic experiments such as power supply, signal generator, switches and dis-plays are built-in on the main unit. The 13 modules covers a wide vari-ety of essential topics in the field of digital logic. It is a time and cost saving device for both students and researchers interested in developing and testing circuit prototypes. MAIN UNIT (DEL31001A) SPECIFICATIONS A. POWER SUPPLY 1. Dual DC Power Supply

Voltage Range : +5V, 1.5A; –5V, 0.3A; ±12V, 0.3A

With overload protection.

2. Adjustable DC Power Supply

Voltage Range : +1.5V~+15V

Maximum Current Output: 0.5A

With overload protection. B. SIGNAL GENERATOR All signal generators has independent and simultaneous TTL and CMOS level output terminal. CMOS level output range from +1.5V to +15V and is controlled from the voltage adjustment knob of the Adjustable DC Power Supply. 3. Standard Frequency

Frequency: 1MHz, 60Hz, 1Hz

Accuracy : ±0.01% (1MHz)

Fanout : 10 TTL load 4. Clock Signal Generator

Frequency : 1Hz-1MHz (6 Ranges) a. 1Hz ~ 10Hz

b. 10Hz ~ 100Hz c. 100Hz ~ 1KHz d. 1KHz ~ 10KHz

e. 10KHz ~ 100KHz f. 100KHz ~ 1MHz

Fanout : 10 TTL load 5. Data Switch

2 X 8-bit DIP switch, 16-bit TTL level output.

4 X toggle switch, each with DEBOUNCE circuit

Fanout : 10 TTL load

DIGITAL ELECTRONICS LABORATORY

DEL3100 DIGITAL LOGIC LAB

MP-SCIENTIFIC

6. Pulser Switch

2 sets of independent control output.

Each set with Q, Q output, pulse width > 5ms

Each set of switch with DEBOUNCE circuit

Fanout: 10 TTL load 7. Line Signal Generator

Frequency : 50/60Hz

Output Voltage : 6Vrms

With overload protection. 8. Thumbwheel Switch

2-digit, BCD code output, common point input C. DISPLAY 9. Logic Indicator

16 sets of independent LED indicates high and low logic state.

Input Impedence: < 100KΩ 10. Digital Display

4 sets of independent 7-segment LED display.

With BCD, 7-segment decorder/driver and DP input terminal.

Input with 8-4-2-1 code. D. TESTING DEVICES 11. Logic Probe

TTL and CMOS level.

5mm LED displays.

"Lo" and "Hi" LED displays low and high logic state respectively.

12. Speaker

An 8Ω, 0.25W speaker with driver circuit. E. BREADBOARD MOUDLE 13. Breadboard

1680 tie-point breadboard on top panel can be easily put into and taken off.

F. ACCESSORIES

2mm Connecting Leads Set.

Fuse

Power Cord G. COURSEWARE

Student Workbook

Instructor’s Guide DEL3100 EXPERIMENT MODULES Thirteen modules form the basis for over 60 experiments detailed in the comprehensive experiment manual. Each module contains the experi-ment circuit which is clearly illustrated by a circuit diagram on its top panel. Switch faults are also incorporated into the modules for simulat-ing fault situations. The modules are as follow :

The full list of experiments performed using the above modules and detailed in the experiment manual are: Basic Logic Gates Experiments

Introduction to logic and switches

Logic gates circuit experiments a. Diode Logic (DL) circuit b. Resistor-Transistor Logic (RTL) circuit c. Diode-Transistor Logic (DTL) circuit d. Transistor-Transistor Logic (TTL) circuit e. CMOS Logic circuit

Threshold Voltage measurement experiments a. TTL logic circuit b. CMOS logic circuit

Voltage/current measurement experiments a. TTL I/O Voltage/current output measurement b. CMOS I/O Voltage/current output measurement

Basic logic gate transmission delay measurements a. TTL logic gate transmission delay measurements b. Schmitt gate transmission delay measurements c. CMOS logic gate transmission delay measurements

Basic logic gate characteristics a. AND gate characteristics b. OR gate characteristics c. NOT gate characteristics d. NAND gate characteristics e. NOR gate characteristics f. XOR gate characteristics

Interfacing between logic gates a. TTL to CMOS interface b. CMOS to TTL interface

Combinational Logic Circuits Experiments

NOR gate circuit experiment

NAND gate circuit experiment

XOR gate circuit experiment a. with NAND gate b. with basic equations

Model Modules Descriptions

DEL3100-MOD1 Basic Logic Gates-1

DEL3100-MOD2 Combinational Logic Circuits-1

DEL3100-MOD3 Combinational Logic Circuits-2

DEL3100-MOD4 Combinational Logic Circuits-3

DEL3100-MOD5 Combinational Logic Circuits-4

DEL3100-MOD6 Combinational Logic Circuits-5

DEL3100-MOD7 Sequential Logic Circuit-1

DEL3100-MOD8 Sequential Logic Circuit-2

DEL3100-MOD9 Memory Circuit-1

DEL3100-MOD10 Memory Circuit-2

DEL3100-MOD11 Converter Circuit-1

DEL3100-MOD12 Converter Circuit-2

DEL3100-MOD13 Clock Generator Circuit-1

DIGITAL ELECTRONICS LABORATORY

DEL3100 DIGITAL LOGIC LAB

MP-SCIENTIFIC

A-0-I gate circuit experiment

Comparator circuit experiments a. with basic logic gates b. with TTL comparator IC

Schmitt gate circuit experiment

Open collector gate circuit experiment a. High Voltage/current driver circuit b. Constructing an AND gate with open collector gate

Three-state gate circuit experiments a. Truth table experiment b. Constructing an AND gate with three-state gate c. Bidirectional transmission circuit

Half adder and full adder experiments a. with basic logic gates b. Full adder circuit c. High-speed adder carrier generator d. BCD code adder circuit

Half subtractor and full subtractor experiments a. with basic logic gates b. with full adder and inverter circuit

Arithmetic Logic Unit (ALU) circuit experiment

Bit parity generator experiments a. with XOR gate b. with bit parity generator IC

Encoder circuit experiments a. Constructing a 4 to 2-bit encoder with basic logic gates b. Constructing a 10 to 4-bit encoder with TTL IC

Decoder circuit experiments a. Constructing a 4 to 2-bit decoder with basic logic gates b. Constructing a 10 to 4-bit decoder with TTL IC c. Decoding a 7-segment display with BCD code

Multiplexer circuit experiments a. Constructing a 2 to 1-bit multiplexer with basic logic gates b. Using a multiplexer to create functions c. Constructing an 8 to 1-bit multiplexer with TTL IC

Demultiplexer circuit experiments a. Constructing a 1 to 2-bit demultiplexer with basic logic gates b. Constructing a 1 to 8-bit demultiplexer with CMOS IC

Digitally controlled analogue multiplexer/demultiplexer circuits a. Characteristics of analogue switches b. Bidirectional transmission with CMOS IC analogue switches

Clock Generator Circuit Experiments

Constructing an oscillator circuit with basic logic gates

Constructing an oscillator circuit with Schmitt gate

Voltage Controlled Oscillator (VCO) circuit

555 IC oscillator circuit experiments a. 555 oscillator circuit b. Voltage controlled oscillator circuit

Monostable multivibrator circuit experiments a. Low-speed monostable multivibrator cicuits a-1. Non-retriggerable circuit a-2. Retriggerable circuit b. High-speed monostable multivibrator cicuits b-1. Non-retriggerable circuit b-2. Retriggerable circuit c. Constructing a monostable multivibrator with 555 trigger d. Constructing a non-retriggerable circuit with TTL IC e. Constructing a retriggerable circuit with TTL IC f. Constructing a variable duty cycle oscillator circuit with monostable multivibrator

Sequential Logic Circuits Experiments

Constructing an R-S flip-flop with basic logic gates

Constructing a D flip-flop with an R-S flip-flop

Constructing a T flip-flop with a D flip-flop

Constructing a J-K flip-flop with an R-S flip-flop

Constructing a shift register with a D flip-flop a. Serial-in serial-out shift register b. Serial-in parallel-out shift register c. Parallel-in serial-out shift register d. Parallel-in parallel-out shift register

Preset left/right shift register circuit experiment

Noise elimination circuit with R-S flip-flop

Constructing counters with J-K flip-flop a. Asynchronous binary up-counter circuit b. Asynchronous decimal up-counter circuit c. Asynchronous divide-by-N up-counter circuit d. Asynchronous binary down-counter circuit e. Synchronous binary up-counter circuit f. Synchronous binary up/down counter circuit g. Preset synchronous binary up/down counter circuit h. Preset synchronous decimal up/down counter circuit i. Ring counter circuit j. Johnson's counter circuit

Memory Circuit Experiments

Constructing Read Only Memory (ROM) with diodes

Constructing Random Access Memory (RAM) with D flip-flops

64-bit RAM circuit

Erasable Programmable Read Only Memory (EPROM) circuit

Electronically Erasable Programmable Read Only Memory (EEPROM) circuit

Constructing a dynamic scanning counter with a single-chip micro-processor

Converter Circuits Experiments

Digital to analogue (D/A) converter circuit experiments a. Unipolar output converter circuit b. Bipolar output converter circuit

Analogue to digital (A/D) converter circuit experiments a. 8-bit converter circuit b. 3 1/2-digit convertor circuit

COURSEWARE A set of student laboratory manuals consists of student workbooks and instructor’s guide are provided, whereby the student workbook provides supporting theory and experiments covering the full range of Digital Electronics Experiment Modules and the instructor’s guide provides the answers to the experiments and technical information.

DIGITAL ELECTRONICS LABORATORY

DEL3100 DIGITAL LOGIC LAB

MP-SCIENTIFIC

COMPUTER AIDED LEARNING SOFTWARE PACKAGE With the addition of a PC to a student workstation, the CAL software package can be installed, where the student can learn the theory and examples from the PC. These software package support the studies of students as they work through the Experiment Modules. Each CAL software package comprises theory, examples and applications of the related topics.

Accessories for DEL3100 Experiment Modules

2mm Connecting Leads Set.

Student Workbook.

Instructor’s Guide.

Computer Aided Learning Software

Subject to change without notice.

Screenshot for shift register

Screenshot for combinational logic

Screenshot for shift register