Basic Electronics
Date: 7.12.2023
Electronic components:
- Passive:
- Resistor
- 300R, 2k, 10k7, 1M jne…
- Capacitor
- Ceramic, Film, Tantalium, Electrolytic
- 10p, 10n, 0.1u, 100u
- Coil/inductor
- Diode
- Resistor
- Active:
- Semiconductors:
- Transistor
- Bipolar junction transistor, BJT
- NPN
- PNP
- Metal-oxide-semiconductor field-effect transistor, MOSFET
- The junction-gate field-effect transistor, JFET
- Unijunction transistor, UJT
- Bipolar junction transistor, BJT
- Operational Amplifier (Wikipedia)
- Operational transconductance amplifier (Wikipedia)
- Norton amplifier (LM3900) (Wikipedia)
- Transistor
- Semiconductors:
- Ohm’s law
- Volt-Ampere / Watts
- Analog vs Digital
- The word analogue is used to reflect the concept when some physical phenomenon is converted into its electric signal analogue.
- As physical phenomenons tend to not be discrete, electric circuits analogue with real world can not be discrete either. Therefore analog signals are continuous.
- The word digital is used when a phenomenon properties are coded, then decoded.
- You can ‘digitize’ anything by coming up a criteria or a threshold to classify states to either ‘1’s or ‘0’s.
- Simple circuit concepts:
- Voltage Divider
- RC Filter
- Operational amplifier circuits
- Unity buffer
- Inverting
- Non-inverting
- Filter topologies:
- Example: distortion+ https://www.electrosmash.com/mxr-distortion-plus-analysis
- Falstad circuit emulator