CV211-2A
UMTS/WiMax-band Dual-Branch Downconverter
The Communications Edge TM
Product Information
Application Circuit: IF = 240 MHz (CV211-2APCB240)
RF = 1900 – 2700 MHz, IF = 240 MHz
PCB Layout
Bill of Materials
Ref. Desig.
Component
R1
11.3 Ω chip resistor
R2, R3, R4, L3, L7
L10, L11
0 Ω chip resistor
R6, R7
2.2 Ω chip resistor
C1, C5, C10, C15 1000 pF chip capacitor
C4, C11
3.9 pF chip capacitor
C6, C12, C14
.018 µF chip capacitor
C7, C13
100 pF chip capacitor
L1
120 nH chip inductor
L4, L8
56 nH chip inductor
L5, L9
220 nH chip inductor
C2, C3, C8, C9, C16
C17, C19, C20, C21
C22, L2, L6
Shown on silkscreen, but
not used in actual circuit.
U1
CV211-2A WJ Converter
Size
0805
0603
0603
0603
0603
0603
0603
0603
0603
0805
QFN
Circuit Board Material: .014” FR-4, 4 layers, .062” total thickness
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 6 of 9 June 2007