F1-4 CLASSIC DIGITAL CIRCUIT TRAINING SYSTEM

2  INVERT logic gate

3  OR + INVERT = NOR logic gate

4  NOR logic gate

5  2-input NAND logic gate

6  4-input NAND logic gate

7  AND – OR – INVERT logic gate

1  Shift Register

2  IC Shift Register

3  Quinary ring counter

4  Twisted-ring or Johnson Counter

2   IC Astable

3  Pulse Stretchers

4   Schmitt Trigger

1   74122

2   74121

3 555 Timer

2 Half-Adder, Half-Subtractor

3 Binary Comparator

4 Parity Generator

1  Decoding

2  Encoding-decimal to excess 3

3  BCD counter with seven-segment LED display

1   Half-Adder, Half-Subtractor

2   SUM in Full-Adder and DIFFERENCE in Full-Subtractor

3   Co for X+Y+ Ci

4   Full-Adder with Half-Adders

5   2-Bit Parallel Binary Adder

6  4-Bit Binary Full-Adder/2’s-complement 4-Bit Binary Full-Subtractor

1  2-bit random-access memory

2  64-bit IC RAM 7489

2   Gated R-S Flip-Flop

3   D Flip-Flop

4   AND-Gated J-K Master-Slave Flip-Flop

1  Op-Amp as an analog voltage multiplier

2  Op-Amp as a summer-multiplier

3  Op-Amp as a voltage comparator

4  Intergrator

5  Variable PW generator

2  Synchronous counter

1   D/A conversion

2  A/D conversion

1  Modulus 3 Counter

2  Modulus 6 Counter

3  Decade Counter 2421

4  Decade Counter 8421

5  IC Decade Counter

6   IC Divide-by-10 Counter