amplifierapplication

# amplifierapplication - T&C T&C POWER CONVERSION Power...

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www.tcpowerconversion.com [email protected] Amplifier Application Handbook Power Conversion T&C T&C POWER CONVERSION 110 Halstead Street Rochester, New York 14610 USA Tel: 585.482.5551 Fax: 585.482.8487 www.tcpowerconversion.com [email protected]

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Page 2 of 16 www.tcpowerconversion.com [email protected] Table of Contents Topic P a g e Basic Amplifier Calculations 3 Reflected Power with VSWR 4 Conversion of Voltage and Power Ratios 5 Effect of Attenuating Pads on VSWR 5 Effect of Impedance Mismatch on VSWR and transmitted power loss 5 RF Power Amplifiers: Power Output and Distortion 6-10 N o i s e 1 0 Output Load Impedance and Output Impedance 10 P u l s e O p e r a t i o n 1 1 F a i l s a f e 1 1 Augmented Power Output 11 External Splitters/Combiners 11 Decibels/Volts/Watts Conversion Table 12 Effect of VSWR on Transmitted Power 13 Conversion of Return Loss to equivalent VSWR 14 V S W R C a l c u l a t o r 1 4 AG amplifiers in pulse applications 15 RF Output level recommendations 16

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Page 4 of 16 www.tcpowerconversion.com [email protected] REFLECTED POWER WITH VSWR Reflected power = p ² (Po) where p = reflected coefficient Po = Output power P = V S W R - 1 VSWR+1 VSWR P Reflected Power 1.5 0.20 4% 2 0.33 11% 3 0.50 25% 4 0.60 30% Operation into load other than 50 ohms.
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## This note was uploaded on 06/07/2011 for the course EE 11 taught by Professor D during the Spring '11 term at Central Lancashire.

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amplifierapplication - T&C T&C POWER CONVERSION Power...

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