ChapterII RF-CIRCUITS

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Class Notes, 31415 RF-Communication Circuits Chapter IIRF-CIRCUITSJens Vidkj rNB230 iiContentsII RF-CIRCUITS , Concepts and 1II-1 parallel Resonance 2Frequency 3Poles and 6Transient 8II-2 Series Resonance circuit 11II-3 Narrowband 14II-4 Series-to- parallel 19Example II-4-1 ( impedance matching )............... 20Conversions in Narrowband 23Conversions in Broadband 26Example II-4-2 ( spiral inductor )................... 26II-5 Tuned 30Synchronously Tuned 32Example II-5-1 ( synchronous tuning )................ 33Butterworth Stagger Tuned 36Example II-5-2 ( Butterworth amplifier ).............. 41II-6 Transformers and Transformerlike 45Review of Mutual 45Equivalent Circuits for Two Coupled 53Example II-6-1 ( practical RF transformers ).

Q circuits too.1 For obvious reasons such circuits are also called narrowbanded. Fig.5 Normalized magnitudes and phases in the impedance of parallel tuned circuits with varying Q-factors. PolesandZeros Pole and zero positions are useful for investigating responses of frequency selective networks that include parallel tuned circuits.

  Circuit, Parallel, Rf circuits