SALIENT FEATURES :
ADTRON’S Digital Logic Troubleshooting Trainer is a comprehensive and self – contained system
suitable for anyone engaged in digital logic experiments. All necessary equipments for digital logic
experiments such as power supply, signal generator, switches and displays are installed on the main unit.
The 21 modules covers a wide variety of essential topics in the field of digital logic. It is a time and cost
saving device for both students and researcher interested in developing and testing circuit prototypes.
1. Ideal tool for learning the basics of digital logic circuits.
2. Suitable for combined logic, sequential logic, microprocessor circuits designing &
experiments.
3. Comprehensive power supply, signal and testing devices for convenient experiments.
4. Expandability and flexibility of experiments greatly increased with universal breadboard ( 1680 tie –
points ) for circuit design and prototyping.
5. Capable of processing TTL, CMOS, NMOS, PMOS & ELC Circuits.
6. All supply units are equipped with overload protection for better safety.
TECHNICAL SPECIFICATIONS
1. DUAL DC POWER SUPPLY :
1. Voltage Range : +5V / 1.5A; -5V / 0.3A; +12V, 0.3A.
2. With output overload protection
2. ADJUSTABLE DC POWER SUPPLY :
1. Voltage Range : 0 to 15V.
2. Maximum Current Output : 0.5A.
3. With output overload protection.
SIGNAL GENERATOR :
All Signal generator has independent and simultaneous TTL and CMOS level output terminal. CMOS
level output range from 0 to +15V and is controlled from the voltage adjustment knob of the adjustable DC
Power Supply.
3. STANDARD FREQUENCY :
1. Frequency : 1MHz, 50Hz, 1Hz.
2. Accuracy : +0.01% ( 1MHz ).
3. Fanout : 10 TTL load.
4. CLOCK SIGNAL GENERATOR :
1. Frequency : 1Hz ~1MHz ( 6Ranges ).
a. 1Hz ~ 10Hz.
b. 10Hz ~ 100Hz.
c. 100Hz ~ 1KHz.
d. 1KHz ~ 10KHz.
e. 10KHz ~ 100KHz.
f. 100KHz ~ 1MHz.
5. DATA SWITCH :
1. 2 x 8 – bit DIP switch, 16 – bit TTL level output.
2. 4 x toggle switch, each with DEBOUNCE circuit.
3. Fanout : 10 TTL load.
6. PULSER SWITCH :
1. 2 sets of independent control output.
2. Each set with Q, Q’ output, pulse width > 5mS.
3. Each set of switch with DEBOUNCE circuit.
7. LINE SIGNAL GENERATOR :
1. Frequency : 50Hz.
2. Output Voltage : 6V rms.
3. With overload protection.
8. THUMBWHEEL SWITCH :
2 digit, BCD code output, common point input.
DISPLAY :
9. LOGIC INDICATOR :
1. 16 sets of independent LED to indicate high and low logic state.
2 Input Impedance : < 100KW.
10. DIGITAL DISPLAY :
1. 4 sets of independent 7 segment LED display.
2. With BCD, 7 segment decoder / driver and DP input terminal.
3.. Input with 8 – 4 – 2 – 1 code.
TESTING DEVICES :
11. LOGIC PROBE :
1. TTL and CMOS level.
2. 3mm LED displays.
3. “LOW” and “HI” LED displays low and high logic state respectively.
12. SPEAKER :
1. An 8Ω, 0.5W speaker with driver circuit.
13. BREADBOARD MODULE :
1. 1680 tie point breadboard on top panel can be easily put into and taken off.
14. ACCESSORIES :
1. Connect Lead : 1. 2mm – 0.65mm, 300mm L 06 Nos.
2. 2mm – 2mm, 450mm L 10 Nos.
2. Test Probe : 2mm – 2mm, 600mm L 01 No.
3. User”s Manual.
4. AC Cord.
5. Fuse.
6. Fuse.
EXPERIMENT MODULES :
1. All 21 modules are equipped with an 8 bit DIP switch for fault simulations. Users learn how to solve
various problems by setting the DIP – switch to different positions.
2. Solutions for all faults are listed in the experiment manual for user’s reference.
3. 2mm plugs and sockets used throughout the lab and all modules.
4. Comprehensive experiment and instructor’s manual.