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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
September 2004
The Communications Edge
TM
CV211-2
UMTS-band Dual-Branch Downconverter
Product Information
Application Circuit: IF = 240 MHz (CV211-2PCB240)
PCB Layout
Circuit Board Material: .014” FR-4, 4 layers, .062” total thickness
Bill of Materials
Ref. Desig.
Component
Size
R1
13
Ω chip resistor
0805
R2, R3, R4, L3, L7
L10, L11
0
Ω chip resistor
0603
R6, R7
2.2
Ω chip resistor
0603
C1, C5, C10, C15
1000 pF chip capacitor
0603
C4, C11
3.9 pF chip capacitor
0603
C6, C12, C14
.01
µF chip capacitor
0603
C7, C13
100 pF chip capacitor
0603
L1
120 nH chip inductor
0603
L4, L8
56 nH chip inductor
0603
L5, L9
220 nH chip inductor
0805
C2, C3, C8, C9, C16
C17, C19, C20, C21
C22, L2, L6
Do Not Place
U1
CV211-2 WJ Converter
QFN