302MXPR-1138D Toko Inc., 302MXPR-1138D Datasheet
302MXPR-1138D
Manufacturer Part Number
302MXPR-1138D
Description
Radial Type Helical Filters
Manufacturer
Toko Inc.
Datasheet
1.302MXPR-1138D.pdf
(2 pages)
Features
• Compact low-profile helicalfolters, ideal for mobile
• RoHS compliant
7HW Double Tuned
7HT Triple Tuned
Frequency Range: 350MHz~1.2GHz
RoHS compliant
7HW
Examples of 900MHz frequency response
900MHz周波数感度例
Test circuit
10
20
30
0
2
4
6
8
0
communications equipment.
−100
−20
252HXPK-2709F
−10
−50
(dB)
10
20
R
0
1
Frequency(MHz)
Frequency(MHz)
SELECTIVITY
BANDWIDTH
1
Return Loss
4 5
8
R
0
0
2
8Max.
R
fo:904MHz
IL:1dB
10
50
1
=R
1Max.
2
BOTTOM VIEW
=50Ω
100
20
*
Test circuit
*
14.7Max.
Either 11 or 12.9mm height is possible.
100
10
20
40
60
80
Radial Type Helical Filters
ラジアルタイプヘリカルフィルタ
0
2
4
6
8
0
−20
−200
3.2
3.7
R
302HXPK-1278B
1
−10
−100
φ0.5
Frequency(MHz)
Frequency(MHz)
2
1
BANDWIDTH
SELECTIVITY
(Unit: mm)
11
10
4.5
0
0
7
8
R
fo:904MHz
IL:2.5dB
2
10
100
R
1
=R
20
200
2
=50Ω
7HT
高さ11mm、12.9mmも可能です
特 長
•
•
Typical characteristic for MCA radio use
MCAラジオ用代表特性曲線
12
0
4
8
0
2
4
6
0
2
4
6
移動体通信に最適な小型薄形のヘルカルフィルタ
RoHS 指令対応
−20
−20
−20
−10
−10
−10
Frequency(MHz)
Frequency(MHz)
Frequency(MHz)
BANDWIDTH
BANDWIDTH
BANDWIDTH
ANTENNA CIRCUIT FILTER 302MXPR-1077E
RF CIRCUIT FILTER 252HXPK-2674F
0
0
0
fo : 910MHz
IL : 1.2dB
fo : 859.5MHz
IL : 2.5dB
LOCAL FILTER 252HXPK-273F
8Max.
fo : 855MHz
IL : 1.5dB
10
10
10
1Max.
20
20
20
*
20
40
60
20
40
60
14.7Max.
20
40
60
0
0
0
−400
−120
−200
−200
−100
−60
3.2
3.7
Frequency(MHz)
Frequency(MHz)
Frequency(MHz)
continued on next page
次頁へ続く
SELECTIVITY
SELECTIVITY
SELECTIVITY
φ0.5
7HW
7HT
TYPE
0
0
0
(Unit: mm)
200
100
60
4.5
4.5
400
120
200
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