狠狠撸

adjectives adverbs parts of a sentence parts of speech nouns pronouns verb magnetism inductance apacitance alternating current ac measurements resistive ac circuits capacitive ac circuits inductive ac circuits resonance circuits transformers semiconductor fundamentals pn junction diodes zener diodes bipolar transistors field effect transistors thyristors integrated circuits optoelectric devices power supplies amplifier basics amplifier applications oscillators waveshaping ckts binary number system basic logic gates