Digital Logic Circuits Trainer

Description

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
(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, 10 KHz, 100 Hz, 1 Hz