SD1894 查看數據表（PDF） - STMicroelectronics
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SD1894 Datasheet PDF : 4 Pages
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IMPEDANCE DATA
TYPICAL INPUT
IMPEDANCE
ZIN
TYPICAL COLLECTOR LOAD
IMPEDANCE
ZCL
SD1894
FREQ.
1600 MHz
1620 MHz
1635 MHz
1650 MHz
1665 MHz
ZIN (Ω)
ZCL (Ω)
31.6 + j 21.4 5.2 + j 14.7
38.0 + j 15.0 5.6 + j 14.55
38.8 + j 11.3 5.85 + j 14.45
36.0 + j 9.1 6.1 + j 14.3
34.3 + j 8.77 6.37 + j 14.2
TEST CIRCUIT
C1 : .6 - 4.5 pf Johanson
C2 : 39pf ATC Chip Capacitor
C3 : .1µf Ceramic
L1 : 10 Turns, AWG #28, .080”I.D.
L2 : 4 Turns, AWG #28, .)80” I.D.
Board Material: Er = 10.2, Thickness .050”
3/4
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