Features: This trainer is a classic digital circuit training system, which suitable for experiment teaching courses such as 'Digital electronics technique' and 'Electronic circuit'. The basic service area come with DC power source, single pulse, fixed pulse source, logic level input, indicators, nixie tube display, dial switch, etc. The open experiment area provided with multiple IC sockets and electronic component insertion sockets to achieve various experiment extension and course design.
The Logic Gate Digital Training System consist of below modules:
Basic Logic Gates Circuits (Module 1):
Logic Gate Structure Circuits (DL, RTL, TTL, CMOS). Logic Gate Circuits: AND, NAND, NOT, OR, NOR, XOR gates. Voltage and Current Measurement (TTL, CMOS). Interface between Logic Gates Circuits (TTL and CMOS Transform). Transmission Delay Measurement (TTL, CMOS).
Combinational Logic Circuits (Module 2):
4 Bits Comparator Circuits. Tristate and Schmitt Gate Circuits. Half and Full Adder Circuits. Half and Full Subtractor Circuits. 9 Bits Parity Generator.
Extended Combinational Logic Circuits (Module 3):
Arithmetic Logic Unit (ALU) Circuit. Encoder and Decoder Circuits. Multiplexer and Demultiplexer Circuits. Digitally Controlled Analog Multiplexer & Demultiplexer Circuits.
Clock Generator Circuits (Module 4):
Constructing Oscillator Circuit with Basic Logic and Schmitt Gates.
Voltage Controlled Oscillator (VCO) Circuit. BJT Astable Multivibrator Oscillator Circuit. Operational Amplifier Oscillator Circuit. 555 Astable Multivibrator and Monostable Multivibrator Oscillator.
Sequential Logic Circuits (Module 5):
RS, JK and D Flip-flop Circuits. Asynchronous & Synchronous Counter Circuit. Presetably Synchronous Counter Circuit.
Memory Circuits (Module 6):
Constructing Read Only Memory (ROM) Circuit with Diodes.
Constructing Random Access Memory (RAM) Circuit with D Flip-flop. Programmable ROM & 64-bits RAM Circuit.
Converter Circuits (Module 7):
OPA ADC Circuit. ADC0804 ADC Circuit. 4-bits R-2R DAC Circuit.
Unipolar and Bipolar DAC 0800 DAC Circuit.
Logic Application Circuits (Module 8):
Electronics Voting Circuit. Electronics Wheel-amusement Circuit.
Electronic Competition-answer Circuit. Traffic Light Circuit.
Function Generator and DC Power Supply Module:
Waveforms: Sine, Triangle, Square, TTL Pulse
Amplitude: >10 Vpp
Impedance: 50? ±10%
Duty Control: 30% ~ 60%
Display: 6-Digit LED Display
Frequency Range: 10Hz ~ 100 kHz (4 Ranges), 100Hz ~ 1 MHz (4 Ranges).
Frequency Control: Separative Coarse and Fine Tuning
Constant Voltage Output: ±5V, ±12V. Variable Voltage Output: 0V ~ ±15V. Power source: 220 ~ 230V AC, 50Hz, 1 Phase
Standard accessories with printed operation manual.
Training Content:
Basic diode/triode switching characteristic, clipper and clamper
Gate circuit logic function and test experiment of TTL and COMS series (AND/OR/NOT/NAND/NOR/XOR)
Combinational logic circuit experiment
- NAND gate designed voting circuit
- NAND gate, XOR gate, AND gate formed half adder circuit
- Data selector (select 1 from 4) formed half adder or half subtracter
- Two data selectors (select 1 from 4) formed half adder or half subtracter
- Logical operation
Trigger experiment (R-S, D, JK)
Integrated counter and register experiment
Decoder and data selector experiment
Monostable trigger and Schmitt trigger
Self-excited multivibrator
NE555, NE556 time base circuit experiment
D/A, A/D conversion circuit
Electronic stopwatch
Competition responder
Tug of war game machine
Technical Specifications:
Power supply:
Input: 220V±10%, 50Hz. DC Output: +5V/1A, -5V/1A, +15V/500mA, -15V/500mA, with rocker switches. Manual single pulse circuit: output single positive pulse / negative pulse, amplitude as TTL level. Fixed frequency pulse source: Six-channel, output TTL level 1/10/100/1K/10K/100KHz. 12-bit logic level input switch: Input low level '0', high level '1' (as positive logic). 12-bit logic level indicator: Red/green for high/low level. Nixie tube display: 4-bit BCD coding display circuit formed by seven-segment nixie tube
Potentiometer: Adjustable, 1K/10K/47K
Dial switch: 2-bit binary BCD
Experiment extension area:
40-pin socket. 28-pin socket. DIP 8-pin socket x4. DIP 14-pin socket x6. DIP 16-pin socket x4. Plug area for component insertion.
Accessories:
3-pin power cord. Set of connection cables 2mm: Conductor cross section: 0.5 mm2 SR wire, 500V CATII, with axial socket. Digital multimeter.
