TOKO 7HW

TYPE
Radial Type Helical Filters
7HW
7HT
ラジアルタイプヘリカルフィルタ
7HW Double Tuned
7HT Triple Tuned
Frequency Range: 350MHz~1.2GHz
RoHS compliant
7HT
3.7 φ0.5
3.7 φ0.5
4.5
18.9
14.6
1
(Unit: mm)
4.5
*
Either 11 or 12.9mm height is possible.
高さ11mm、12.9mmも可能です
(Unit: mm)
Features
特 長
• Compact low-profile helicalfolters, ideal for mobile
communications equipment.
• RoHS compliant
• 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
Examples of 900MHz frequency response
Typical characteristic for MCA radio use
900MHz周波数感度例
MCAラジオ用代表特性曲線
302HXPK-1278B
Test circuit
R1
R1=R2=50Ω
7
11 10 8
ANTENNA CIRCUIT FILTER 302MXPR-1077E
R1=R2=50Ω
Attenuation(dB)
BOTTOM VIEW
BANDWIDTH
BANDWIDTH
0
0
Attenuation(dB)
fo:904MHz
IL:1dB
−10
0
10
−20
−10
0
10
20
0
20
10
Attenuation(dB)
Attenuation(dB)
0
−200
−100
0
100
200
Frequency(MHz)
SELECTIVITY
0
2
20
4
40
fo : 859.5MHz
IL : 2.5dB
6
−20
−10
0
10
60
20
−120
Frequency(MHz)
−60
0
60
120
Frequency(MHz)
40
60
LOCAL FILTER 252HXPK-273F
20
−100
60
20
BANDWIDTH
SELECTIVITY
10
10
0
SELECTIVITY
30
0
fo:904MHz
IL:2.5dB
Frequency(MHz)
Return Loss
−10
RF CIRCUIT FILTER 252HXPK-2674F
10
Frequency(MHz)
(dB)
0
−20
6
20
20
40
fo : 855MHz
IL : 1.5dB
80
−50
0
50
Frequency(MHz)
BANDWIDTH
100
100
SELECTIVITY
0
−200
−100
0
100
Frequency(MHz)
0
200
Attenuation(dB)
−20
8
4
8
8
20
Frequency(MHz)
Attenuation(dB)
Attenuation(dB)
4
SELECTIVITY
0
4
12
2
2
6
BANDWIDTH
0
R2
R2
Attenuation(dB)
4 5
1 8
2
1
Attenuation(dB)
Test circuit
Attenuation(dB)
252HXPK-2709F
R1
4.5
3.2
φ3.5
11.8
4.5
φ3.5
1
4.5
7.3
15.2Max.
*14.7Max.
1
3.2
4.5
22.5Max.
*14.7Max.
0.5
8Max. 1Max.
8Max. 1Max.
0.5
7HW
2
20
4
40
fo : 910MHz
IL : 1.2dB
6
−20
−10
0
10
Frequency(MHz)
20
60
−400
−200
0
200
400
Frequency(MHz)
continued on next page
次頁へ続く
Helical Filters
TYPE
7HW
7HT
ヘリカルフィルタ
continued from previous page
前頁より続く
SELECTION GUIDE FOR STANDARD FILTERS
TYPE 7HW (Double tuned)
東光品番
中心周波数
帯域幅
選択度
TOKO
Part
Number
Center
Frequency
(MHz)
Bandwidth
(-1dB)
(MHz) Min.
7HW-35515A-360
7HW-36020A-370
7HW-37020A-380
7HW-38025A-390
7HW-39525A-410
360
370
380
390
410
7.0
7.0
7.0
7.0
7.0
Selectivity
Fo - 50MHz
Fo + 50MHz
(dB) Min.
(dB) Min.
35
25
35
25
35
20
28
20
25
18
リップル
挿入損失
Ripple
(dB) Max.
Insertion
Loss
(dB) Max.
0.5
0.5
0.5
0.5
0.5
3.0
3.0
3.0
3.0
3.0
7HW-40525A-420
7HW-42025A-435
7HW-43525A-450
7HW-45025A-460
7HW-46025A-475
420
435
450
460
475
8.0
8.0
8.0
8.0
8.0
25
25
25
20
20
18
18
18
16
16
0.5
0.5
0.5
0.5
0.5
3.0
3.0
3.0
3.0
3.0
7HW-47530A-490
7HW-49030A-505
7HW-51030A-525
490
505
525
10.0
10.0
10.0
18
18
14
14
14
12
0.5
0.5
0.5
3.0
3.0
3.0
TYPE 7HT (Triple tuned)
東光品番
中心周波数
帯域幅
選択度
TOKO
Part
Number
Center
Frequency
(MHz)
Bandwidth
(-1dB)
(MHz) Min.
302MXPR-1138D
302MXPR-1137D
302MXPR-1136D
302MXPR-1109D
302MXPR-1110D
370
390
410
415
465
*6.0
*7.0
*8.0
13.0
12.0
Selectivity
Fo - ( )MHz
Fo + ( )MHz
(dB) Min.
(dB) Min.
35(30)
30(30)
30(30)
25(30)
30(30)
25(30)
40(50)
30(50)
40(50)
30(50)
302MXPR-1108D
302MXPR-1119D
302HXPK-1111B
500
680
833
13.0
10.0
*18.0
*Bandwidth: 13dB
36(50)
43(50)
30(50)
リップル
挿入損失
Ripple
(dB) Max.
Insertion
Loss
(dB) Max.
1.0
1.0
1.0
1.0
1.0
4.5
4.0
3.5
3.5
4.0
1.0
1.0
1.0
3.5
4.5
4.0
27(50)
34(50)
23(50)
Test circuits
測定回路
7HW
4
IN
7HW
"A"
1
5
OUT
IN
8
2
5
1
6
"B"
7HT
2
"D"
5
OUT
IN
1
Zin=Zout=50Ω
Zin=Zout=50Ω
IN
7HT
"F"
4
5
1
8
Zin=Zout=50Ω
IN
OUT
7
OUT
10
Zin=Zout=50Ω
"E"
7HT
7
12
6
7
2
1
11
10
Zin=Zout=50Ω
8
OUT
(BOTTOM VIEW)