The Communications Edge TM
CV111-3A
UMTS-band High Linearity Downconverter
Product Information
Downconverting Application Circuit: CV111-3APCB75
RF = 1900 – 2200 MHz, IF = 75 MHz
PCB Layout
Bill of Materials
Ref. Desig.
Component
R1
13 Ω chip resistor, size 0805
R2, R3, R4, R5,
C2, C14
0 Ω chip resistor
R6, R7, R9, R10
R8
470 Ω chip resistor
3.3 Ω chip resistor
R11, R16
10 Ω chip resistor
C1, C3, C4, C5, C6
C7, C9, C16
C8, C10
100 pF chip capacitor
0.018 μF chip capacitor
1000 pF chip capacitor
C11, C12, C13, C15,
C21, F1, L5, L6, L8,
L10
C17
C18
L2
Shown in silkscreen, but not
used in actual circuit.
22 pF chip capacitor
1.5 pF chip capacitor
18 nH chip inductor
L3
120 nH chip inductor
L4
L7
220 nH chip inductor, size 0805
22 nH chip inductor
Circuit Board Material: .014” FR-4, 4 layers, .062” total thickness
U1
CV111-3A WJ Converter
All components are of size 0603 unless otherwise specified.
Specifications and information are subject to change without notice
WJ Communications, Inc • Phone 1-800-WJ1-4401 • FAX: 408-577-6621 • e-mail: sales@wj.com • Web site: www.wj.com
Page 3 of 5 May 2006
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