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參數(shù)資料
| 型號(hào)： | CV211-2A_07 |
| 英文描述： | UMTS/WiMax-band Dual-Branch Downconverter |
| 中文描述： | 的UMTS / WiMax的帶雙科變頻器 |
| 文件頁數(shù)： | 2/9頁 |
| 文件大小： | 412K |
| 代理商： | CV211-2A_07 |
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 2 of 9 June 2007
CV211-2A
UMTS/WiMax-band Dual-Branch Downconverter
Product Information
The Communications Edge
TM
Device Architecture / Application Circuit Information
Typical 2.1 GHz Downconverter Performance Chain Analysis (Each Branch)
Cumulative Performance
Input
P1dB
(dBm)
-8.7
20.0
10.0
12.5
10.0
12.5
Stage
Gain
(dB)
Input
P1dB
(dBm)
Input
IP3
(dBm)
NF
(dB)
Current
(mA)
Gain
(dB)
Input
IP3
(dBm)
35
30
30
NF
(dB)
LO Amp / MMIC Mixer
IF Amplifier
CV211-2A
-8.7
18.7
20
4.6
35
23
9.0
2.1
80
150
380*
9
11
11
Cumulative Performance
* The 2
nd
branch includes another mixer and IF amplifier, which increases the total current consumption
of the MCM to be 380 mA.
IF Amplifier Matching
75
100
430
150
150
15
22
10
4.7
3.3
2.2
240
330
330
Frequency (MHz)
L7 (nH)
C17 (pF)
R8 (ohms)
L4 (nH)
40
470
24
4.7
470
50
125
120
8.2
2.2
330
130
120
6.8
2.2
330
155
100
5.6
2.2
330
180
82
4.7
2.2
330
210
82
3.3
2.2
220
240
56
3.9
2.2
220
CV211-2A
: The application circuit can be broken up into three main
functions as denoted in the colored dotted areas above: RF/IF diplexing
(blue), IF amplifier matching (green), and dc biasing (purple). There are
various placeholders for chip components in the circuit schematic so that
a common PCB can be used for all WJ dual-branch converters. Further
details are given in the Application Note located on the website titled
“CV2xx Series - PWB Design Guidelines”.
WiMax Operation:
There is no change to the application circuit for
2.5 GHz to 2.7 GHz operation.
External Diplexer:
This is only used with the cellular-band CV
products. The mixer performs the diplexing internally for the
CV211-2A; therefore the components shown in the diplexer section
should be not be loaded except for L3, L10, L7, and L11, which
should contain a 0
jumper.
Printed Circuit Board Material:
.014” FR-4, 4 layers, .062” total thickness
1
2
3
4
5
6
7
21
20
19
18
17
16
15
28
27
26
25
24
23
22
8
9
10
G
11
A
12
13
14
IF Amp 2
IF Amp 1
LO Driver Amp
BIAS
GND
N/C
GND
LO
GND
N/C
RF 1
INPUT
GND
BIAS
GND
N/C
GND
G
M
I
G
A
I
G
G
G
M
I
G
G
IF
I
I
O
I
O
IF
RF
RF
RF 2
INPUT
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| CV211-2F | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:UMTS-band Dual-Branch Downconverter |
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