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RF2860
Rev A9 DS050902
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
Evaluation Board Schematic
KPCS, IF=220.38MHz
(Download Bill of Materials from www.rfmd.com.)
Differential IF Matching
C22
3 pF
L6
3.3 nH
C2
33 nF
L11
2.2 nH
C15
6.2 pF
R1
5.6 k
Ω
L1
100 nH
L5
15 nH
16
15
14
13
11
12
9
10
5
6
7
8
2
1
4
3
FL1
FILTER
SAWTEK
2X2
C13
10 pF
C4
33 nF
LNA GAIN
C17
33 nF
C11
DNI
L4
DNI
L3*
DNI
L7
1.5 nH
C14
1 pF
J4
LNA IN
J5
LNA OUT
R2
30
Ω
C7
33 nF
VCC
R3
8.2 k
Ω
R5
27 k
Ω
L9
33 nH
C19*
DNI
C18*
DNI
C9
33 nF
J6
MIX IN
L8
DNI
C21*
DNI
L10
3.9 nH
C23
1.3 pF
C8
33 nF
VCC
C16
6.2 pF
L2
180 nH
C6
33 nF
VCC
C3
5.1 pF
J1
CDMA IF
J2
LO IN
VCC
C12
DNI
C10
DNI
J3
LO OUT
C5
33 nF
ENABLE
C1
33 nF
TX BUF EN
*IF FREQ=220MHz
P1
CON3
P1-3
VCC
C20
1 uF
+
P2
CON4
P2-2
P2-4
P2-1
P3*
DNI
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