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download searchable PDF of Circuit Design book - IEEE Global ...

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270 Linear Amplifier <strong>Design</strong> Tools<br />

with radius<br />

Pul=<br />

h<br />

(1-ISIlI')<br />

I-ISIII'(I-g,)'<br />

(7.128)<br />

where g,=g,/g,ma>' Locations <strong>of</strong> output gain circles have similar forms and<br />

involve normalized gL and S22'<br />

When lSI II > 1, plot [(SIl)-I), on a Smith chart, using dotted lines for the<br />

locus versus frequency. The values may be interpreted as explained in Section<br />

7.1.2. The locations and radii <strong>of</strong> constant-gain circles are given by (7.127) and<br />

(7.128), except that - 00

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