Public learning track
Practical Logic Interfacing: Sourcing, Sinking, and Pull Resistors
11th Grade · Technology · UK A-Level
10 lessons
Goal
Design, calculate component values for, and construct practical logic gate circuits with proper sourcing, sinking, pull-up, and pull-down configurations.
Featured Diagrams
TTL and CMOS Logic Families: Voltage Levels and Noise Margins
10 lessons
0 of 10 done
- 1TTL and CMOS Logic Families: Voltage Levels and Noise MarginsUp nextStart
- 2Current Sourcing and Current Sinking in Logic Gate OutputsPremiumNot started yet
- 3Calculating Logic Gate Fan-Out and Input Loading RulesNot started yet
- 4Designing Pull-Up Resistor Networks for Active-Low InputsNot started yet
- 5Designing Pull-Down Resistor Networks for Active-High InputsNot started yet
- 6Interfacing Mechanical Switches and Resistive Sensors to Logic InputsNot started yet
- 7Driving LEDs from Logic Gates: Sinking vs Sourcing CalculationsNot started yet
- 8Open-Collector and Open-Drain Outputs with Pull-Up Resistors (Wired-AND)Not started yet
- 9Interfacing Logic Outputs to Transistor Switches and Relay DriversNot started yet
- 10Constructing and Troubleshooting Logic Circuits on BreadboardNot started yet
Standards Covered
- ELEC-3.5General Certificate of Education Advanced Level (UK A-Level) · Electronics · Year 13 (A2 Level) · Grade 11the design and construction of electronic circuits containing logic gates, with consideration to sourcing, sinking, pull-up and pull-down resistors
- ELEC-3.1General Certificate of Education Advanced Level (UK A-Level) · Electronics · Year 13 (A2 Level) · Grade 11the identification and use of NOT, Schmitt inverter and 2 and 3 input AND, NAND, OR, NOR, XNOR and XOR logic gates, singly and in combination
Curriculum Framework
11th Grade · Technology · UK A-Level
1
10 lessons
Logic Gates, Multi-Input Gates, and Schmitt Inverters
Identify and analyse the operation, symbols, and truth tables of fundamental logic gates, multi-input gates, and Schmitt inverters.
2
10 lessons
Combinational Logic Analysis and Synthesis
Analyse, trace, and synthesise multi-gate logic networks from truth tables, Boolean expressions, and system specifications.
3
8 lessons
Universal Logic Gates and NAND-Gate Simplification
Implement arbitrary logic functions using universal NAND or NOR gates and apply gate-level simplification rules.
4
8 lessons
Boolean Algebra and Karnaugh Map Minimisation
Apply algebraic identities, De Morgan's laws, and 2- to 4-variable Karnaugh mapping techniques with don't-care conditions to derive minimal Sum-of-Products logic expressions.
5
4 lessons
Implementing Logic with Multiplexers
Design combinational logic functions using multiplexers as universal logic modules and evaluate trade-offs between multiplexer designs and discrete gate minimisation.
6
10 lessons
Practical Logic Interfacing: Sourcing, Sinking, and Pull Resistors
Design, calculate component values for, and construct practical logic gate circuits with proper sourcing, sinking, pull-up, and pull-down configurations.