參數(shù)資料
型號(hào)： 2450BM18A001E
廠商： Johanson Technology Inc
文件頁(yè)數(shù)： 1/2頁(yè)
文件大小： 123K
描述： BALUN MATCH TO BROADCOM ZV4301
標(biāo)準(zhǔn)包裝： 1
系列： 2450
頻率范圍： 2.4 ~ 2.5GHz
阻抗 - 不平衡/平衡： 50 / - 歐姆
相差： 180° ±10
插入損耗（最大值）： 4.2dB，5.0dB
回程損耗（最小值）： 9.5dB
封裝/外殼： 1206（3216 公制）
安裝類型： 表面貼裝
包裝： 標(biāo)準(zhǔn)包裝
其它名稱： 712-1064-6
2.45 GHz Balun / Matching Network
P/N 2450BM18A001
Detail Specification: 09/19/05
Page 1 of 2
General Specifications
Part Number
2450BM18A001
Operating Temp.
 -40 to +85癈
Band
Reel Quanity
Frequency (MHz)
 2400 - 2500
 2400 - 2500
Power Capacity
 100 mW max.
Unbalanced Impedence
 50 &
 50 &
Balanced Imp.
 51.4-j151.9 @2.45GHz 6.5 - j43.8 @2.45GHz
Terminal Configuration
Insertion Loss
 4.2 dB max.
 5.0 dB max.
No.
Return Loss
 9.5 dB min.
 9.5 dB min.
1
PA bias
Phase Difference (degree)
 180 ?10
 180 ?10
2
GND
Amplitude Difference
 2.0 dB max.
 3.0 dB max.
3
GND
4
Ant
Mechanical Dimensions
5
GND
In
mm
6
RX-
L
?/DIV>
?/DIV>
7
RX+
W
?/DIV>
?/DIV>
8
TX-
T
?/DIV>
?/DIV>
9
TX+
a
?/DIV>
?/DIV>
10
GND
b
?/DIV>
?/DIV>
c
p
?/DIV>
?/DIV>
Mounting Considerations
 Mount these devices with brown mark facing up.
 * Line width should be designed to provide proper impedance matching characteristics.
 *** Inductor of 3.3nH is connected in series at Antenna Port when measuring,
  and pads in shunt are reserved for additional matching.
 Units: mm
Johanson Technology, Inc. reserves the right to make design changes without notice.
All sales are subject to Johanson Technology, Inc. terms and conditions.
www.johansontechnology.com
931 Via Alondra " Camarillo, CA 93012 " TEL 805.389.1166 FAX 805.389.1821
2003 Johanson Technology, Inc. All Rights Reserved
Optimized For Zeevo / Broadcom Chipset ZV4301
0.10
0.35
0.031
0.004
0.80
0.60
0.012
0.30
+.004/-.008
0.024
0.014
0.008
0.006
0.063
0.008
0.035
0.008
1.60
0.90
High Frequency Ceramic Solutions
0.008
0.126
3.20
0.20
 4000
Rx
Function
Tx
+0.1/-0.2
0.15
0.20
0.20
0.20
Land
Solder
Through-hole
 (?.35)
p
a
T
L
 W
c
b
9
10
1    2
3
4
5
6
7
8
0.45
1.1
0.8
(A)
(B)
(B)
*
*
*
*
2.5
0.35
1.0
0.6
(C)
(C)
*
*
*
PCB of Tx Path Testing
PCB of Rx Path Testing
 ** Interconnecting lines are added on the
test board. Lines impedance and length are:
Line (A) : Impedance = 40ohm, 
Length = 7.3degrees @ 1GHz for Er = 1
Line (B) : Impedance = 40ohm, 
Length = 3.1degrees @ 1GHz for Er = 1
Line (C) : Impedance = 40ohm, 
Length = 4.5degrees @ 1GHz for Er = 1
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