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Test Circuit and Bias Configuration for KGF1191 at 1.9 GHz
KGF1191
CB
CF
VD1
CB
CF
VDD
RG
IN
T1
T2
(2)
T3 (1) KGF (3) T5
1191
T6
T7 RFC
OUT
CC
(4)
CC
T4
T8
C1
C2
T1: Z0 = 75 W, E = 40 deg
T5: Z0 = 100 W, E = 88 deg
T2: Z0 = 100 W, E = 35 deg
T6: Z0 = 100 W, E = 35 deg
T3: Z0 = 100 W, E = 88 deg
T7: Z0 = 75 W, E = 40 deg
T4 = T8: Z0 = 100 W, E = 12 deg
C1 = 0.7 pF, C2 = 1.4 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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