RF2459 데이터 시트보기 (PDF) - RF Micro Devices
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RF2459 Datasheet PDF : 8 Pages
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Preliminary
RF2459
Evaluation Board Schematic
RF=1.959MHz, IF=210MHz
(Download Bill of Materials from www.rfmd.com.)
P1
1 VCC
2 GND
3
N/C
CON3
VCC
C5
9 pF
L3
100 nH
L4
180 nH
C7
4 pF
R1
16k Ω
C6
9 pF
50 Ω µstrip
J3
IF OUT
L1
J1
LO IN
50 Ω µstrip
4.7 nH
1
8
C1
1.5 pF
2
7
VCC
3
C2
C3
100 nF 22 pF
4
6
C4
1.5 pF
5
L2
2.2 nH
NOTES:
1) R1, L3, C5, and C6 are chosen to produce an output impedance, ROUT, of 1000 Ω @ 210 MHz.
2) L4 and C7 are chosen to match the 1000 Ω output impedance to 50 Ω for testing purposes.
50 Ω µstrip
J2
RF IN
8
Rev A2 010717
8-101
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