CV211-2A
The Communications Edge
TM
Product Information
UMTS-band Dual-Branch Downconverter
Application Circuit: IF = 240 MHz (CV211-2APCB240)
RF = 1900 – 2200 MHz, IF = 240 MHz
PCB Layout
Bill of Materials
Ref. Desig.
R1
R2, R3, R4, L3, L7
L10, L11
R6, R7
C1, C5, C10, C15
C4, C11
C6, C12, C14
C7, C13
L1
L4, L8
L5, L9
C2, C3, C8, C9, C16
C17, C19, C20, C21
C22, L2, L6
U1
Component
11.3
Ω
chip resistor
0
Ω
chip resistor
2.2
Ω
chip resistor
1000 pF chip capacitor
3.9 pF chip capacitor
.018
μF
chip capacitor
100 pF chip capacitor
120 nH chip inductor
56 nH chip inductor
220 nH chip inductor
Shown on silkscreen, but
not used in actual circuit.
CV211-2A WJ Converter
QFN
Size
0805
0603
0603
0603
0603
0603
0603
0603
0603
0805
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 March 2006
WJCI [ WJ COMMUNICATION. INC. ]
