Spezifikation für Freigabe / specification for release
Kunde / customer :
Artikelnummer / part number :
7488930245
LF
Bezeichnung :
description :
SMD Antenne WE-MCA
Chip-Antenna WE-MCA
RoHS compliant
DATUM / DATE : 2004-10-11
H L?tpadempfehlung / solder pads:
Without Matching Circuit:
1.6
2.6
1.6
4.2
*
With Matching Circuit:
1.2 pF
1.6
3.3 nH
2.6
1.6
2.7 nH
4.2
*
1.9
0.4
* Line width should be designed to match 50 ? characteristic
impedance, depending on PCB material and thickness.
(Matching circuit and component values will be different,
depending on PCB layout)
K Messdiagramme/ measuring diagrams:
Without Matching Circuit:
0
5
10
15
20
1
S 11 (f)
1
25
1
1.5
2
2.5
3
3.5
4
1: 2.7625 GHz
-21.48 dB
Frequency (GHz)
f = 1 GHz … 4 GHz
With Matching Circuit:
0
S 11 (f)
5
1
10
15
1
2
3
3
2
20
1
1.5
2
2.5 3
3.5
4
1: 2.3575 GHz
2: 2.47 GHz
3: 2.59 GHz
-10.051 dB
-18.506 dB
-10.194 dB
Frequency (GHz)
f = 1 GHz … 4 GHz
Würth Elektronik eiSos GmbH & Co.KG
D-74638 Waldenburg · Max-Eyth-Str. 1 · Germany · Telefon (+49) (0) 7942 - 945 - 0 · Telefax (+49) (0) 7942 - 945 - 400
http://www.we-online.de
SEITE 2 VON 4
相关PDF资料
7511A87-500 LIGHT PIPE BRIGHT SGL VERT SMD
7511B11 LIGHT PIPE 3-HIGH RIGHT ANGLE
7511G2 LIGHT PIPE CLEAR 1 POS
7512A5-6-A LIGHT PIPE 6PORT 10POS
7512B8 LIGHT PIPE FLEX WATER CLEAR
7512D7 LIGHT PIPE YELLOW 2 POS
7512FPR-915 LIGHT PIPE FLEX 915MM
7513D2-L LIGHT PIPE SGL RT ANGLE 3.6MM
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