5 145 255 245 305 295 flo mhz b 15305 05 295 61 90 59

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: o increase the gain by some factor, K , the bandwidth will be decreased by the same factor. 1 2-4 Solution fc MHz 1 5 a. 15 25 30 fIF = 500 kHz fLO (MHz) 0.5 1.5 5.5 4.5 15.5 14.5 25.5 24.5 30.5 29.5 fLO (MHz) b. 1.5–30.5 0.5-29.5 61-90 59-30 (down-conversion) fIM (MHz) 0 2.0 6.0 4.0 16 14 26 24 31 29 fIF = 60 MHz fLO (MHz) 61 59 65 55 75 45 85 35 90 30 (up-conversion) fIM (MHz) 121 119 125 115 135 105 145 95 150 90 Tuning ratio R = fLO,max /fLO,min 20.3 59 1.475 1.967 c. From the standpoint of easiest and least expensive pres...
View Full Document

This homework help was uploaded on 03/13/2014 for the course ECE 453 taught by Professor Staff during the Spring '08 term at University of Illinois, Urbana Champaign.

Ask a homework question - tutors are online