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RF2418
Rev A7 DS060203
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
Application Schematic
High Impedance Output Configuration
850MHz
1
2
3
4
5
6
7
14
13
12
11
10
9
8
LN A
M I XER
BU F F ER
10pF
RF A M P
I
F
F
i
l
t
e
r
,
H
i
Z
IF O U T
RF I N
I
m
a
g
e
F
i
l
t
e
r
5
0
Ω
10 nH
LO I N
V DD
V DD
L1 and C 1 ar e pi c k ed t o m a t c h t he m i x e r 's out put i m pedanc e ( 4 k
Ω I I 10 pF ) t o t he I F
f i l t er 's i m pedanc e, at t he I F f r eque nc y. C 1 al s o s e r v es as a D C bl oc k , i n c a s e t he I F f i l t er i s
not an open c i r c ui t at D C .
L1
100 nF
C1
47 pF
100 nF
10 nH
4 pF
1 nF
15 nH
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