🔍 Key Concepts

• Basic RF (radio frequency) impedance-matching networks used between a transmitter and an antenna • How inductors and capacitors can be arranged to form simple filter or matching networks • Why certain networks are called L, T, or π (pi) networks based on their diagram shape on a schematic

💭 Think About

• On a circuit diagram, what arrangement of components would make the drawing literally look like the letter L when viewed upright or rotated? • Which option actually describes a two-element passive network that can be used to match the output of a transmitter to an antenna? • Which choices describe properties (like “low power” or “lossy”) rather than the fundamental definition of the network itself?

✅ Before You Answer

• Verify which choice clearly refers to just two reactive components (inductor and/or capacitor) arranged so the circuit symbol sketch looks like an L shape. • Eliminate answers that describe applications or characteristics (e.g., Wi‑Fi, lossy, power level) without defining what the network is. • Confirm that the correct option is about the basic component structure, not about how many filters are joined or what specific service (Wi‑Fi, etc.) it is used for.