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Test Circuit and Bias Configuration for KGF1521 at 1.9 GHz
KGF1521
CC
T1
IN
RG
T2 T3 (1) KGF (3)
1521
(4)
T4
T9
C1
T5
T6
T7 CC
OUT
T8 RFC
C2
CB
VDD
CF
T1: Z0 = 75 W, E = 23 deg
T5: Z0 = 100 W, E = 87 deg
T2: Z0 = 100 W, E = 2 deg
T6: Z0 = 100 W, E = 25 deg
T3: Z0 = 100 W, E = 68 deg
T7: Z0 = 75 W, E = 20 deg
T4 = T8: Z0 = 100 W, E = 10 deg T9: Z0 = 100 W, E = 5 deg
C1 = 1.40 pF, C2 = 1.35 pF
CC(DC Block) = 1000 pF, CB(By-pass) = 1000 pF, CF(Feed through) = 1000 pF
RFC = 60 nH, RG = 1000 W
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