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TGA4543 Datasheet(PDF) 9 Page - TriQuint Semiconductor |
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TGA4543 Datasheet(HTML) 9 Page - TriQuint Semiconductor |
9 / 13 page TGA4543 40.5 - 43.5 GHz Power Amplifier Preliminary Data Sheet: Rev – 9/15/12 - 9 of 12 - Disclaimer: Subject to change without notice © 2012 TriQuint Semiconductor, Inc. Connecting the Digital World to the Global Network ® Application Circuit Vd must be biased from both sides. Vg can be biased from either side. Bias-up Procedure Bias-down Procedure Vg set to -1.5 V Turn off RF supply Vd set to +6 V Reduce Vg to -1.5V. Ensure Id ~ 0 mA Adjust Vg more positive until quiescent Id is 900 mA. This will be ~ Vg = -0.7 V Turn Vd to 0 V Apply RF signal to RF Input Turn Vg to 0 V Vref Id = 900 mA Vdet Vdiff RF Out RF In 11 12 13 14 5 4 3 6 2 9 10 8 7 1 Vg -0.7 V Typical C1 100 pF C7 0.01 uF C2 100 pF C3 100 pF C4 100 pF C5 100 pF C6 100 pF C8 0.01 uF C9 0.01 uF C10 0.01 uF C11 0.01 uF C12 0.01 uF R1 10 Ohm C13 1 uF C14 1 uF R2 10 Ohm R3 10 Ohm C15 1 uF R5 40k Ohm R4 40k Ohm 6 V |
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