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Problem 10.63

The document outlines a calculation for determining the IF power exiting a mixer with a 6.0 dB conversion loss, given 0 dBm of RF and LO power. Using the formula for conversion loss, the resulting IF power is calculated to be 0.25 mW. The solution is attributed to Stuart M. Wentworth and is copyrighted by John Wiley and Sons in 2007.

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55 views1 page

Problem 10.63

The document outlines a calculation for determining the IF power exiting a mixer with a 6.0 dB conversion loss, given 0 dBm of RF and LO power. Using the formula for conversion loss, the resulting IF power is calculated to be 0.25 mW. The solution is attributed to Stuart M. Wentworth and is copyrighted by John Wiley and Sons in 2007.

Uploaded by

台師大陳彥穎
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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10.63: Determine the IF power, in watts, exiting a mixer that has a 6.

0 dB conversion
loss if 0 dBm of RF power and of LO power enters the mixer.

⎛P ⎞
Setup: This is a straightforward application of (10.87): CL = 10 log ⎜ RF ⎟.
⎝ PIF ⎠

Solution:
⎛P ⎞ PRF P 1mW
CL = 10 log ⎜ RF ⎟ = 6dB, = 100.6 = 3.981, PIF = RF = = 0.25mW
⎝ PIF ⎠ PIF 3.981 3.981

Written by Stuart M. Wentworth. Copyright John Wiley and Sons 2007

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