Helical Filters ヘリカルフィルタ TYPE
CBW13
CBT13
Type
Item
R1
R2
26
1012
5
8
R1=R2=50Ω
26Max.
12.6
φ0.7
φ0.3
7.5
19
20.6Max. 413.4Max.
2
2
6.1
6.1 20
0.7
6
CBW13 Double Tuned
CBT13 Triple Tuned
Frequency Range:
130~220MHz
(Unit: mm)
Examples of electrical characteristics
電気的特性例
Characteristics
特性曲線
Test circuits (bottom view)
測定回路
CBW13
38.5Max.
25.1
φ0.7 7.5
19
20.6Max. 413.4Max.
2
2
6.16.1 30
2.5
0.7
18
φ0.3
(Unit: mm)
CBT13
CBT13CBW13
271MT-1162A
Note: Case lugs must be grounded.
R1=R2=50Ω
R1
R2
24
86
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IN
OUT
50Ω
50Ω
BOTTOM VIEW
272MT-1119D
IN
OUT
50Ω
50Ω
BOTTOM VIEW
272MT-1125D
IN
OUT
50Ω
50Ω
BOTTOM VIEW
Center Frequency 171MHz
Attenuation (dB)
10dB/div.
5MHz/div.
Center Frequency 143MHz
Attenuation (dB)
10dB/div.
5MHz/div.
Center Frequency 171MHz
Attenuation (dB)
10dB/div.
5MHz/div.
CBW13 CBT13
Center Frequency 145MHz 145MHz
Bandwidth, at 1dB 3MHz 3MHz
Ripple 0.3dB 0.5dB
Insertion Loss 1.3dB 2dB
Impedance 50Ω50Ω
Attenuation fo + 10MHz 20dB 28dB
fo - 10MHz 22dB 35dB
Helical Filters ヘリカルフィルタ TYPE
CBW13
CBT13
271MT-1149A 99 3.0 30 20 1.0 3.0
271MT-1150A 103 3.0 30 20 1.0 2.5
271MT-1151A 107.5 3.0 30 20 0.5 2.5
271MT-1152A 111 3.0 30 20 0.5 2.5
271MT-1153A 115 2.0 32 22 0.5 2.5
TYPE CBW13 (Double tuned)
東光品番 中心周波数 帯域幅 選択度 リップル 挿入損失
TOKO
Part
Number
Center
Frequency
(MHz)
Bandwidth
(-1dB)
(MHz) Min.
Selectivity Ripple
(dB) Max.
Fo - 15MHz
(dB) Min. Fo + 15MHz
(dB) Min.
Insertion
Loss
(dB) Max.
271MT-1154A 119 2.5 30 22 0.5 2.0
271MT-1155A 122 2.0 29 27 0.5 2.5
271MT-1156A 126 3.0 25 24 0.5 2.5
271MT-1157A 131 3.0 24 23 0.5 2.5
271MT-1158A 138 2.0 28 24 0.5 2.5
271MT-1159A 146 2.5 27 23 0.5 2.5
271MT-1160A 154 2.5 25 21 0.5 2.5
271MT-1161A 164 2.5 28 25 0.5 3.0
271MT-1162A 171 2.5 20 18 0.5 2.5
271MT-1163A 182.5 3.0 23 20 0.5 3.0
271MT-1164A 194.5 2.5 27 24 0.5 3.0
271MT-1165A 207.5 2.5 26 23 0.5 3.0
271MT-1166A 220 2.0 20 18 0.5 3.0
272MT-1173A 100 4.0 (BW3) 30 (15) 30 (15) 1.0 4.0
272MT-1230D 107 3.0 (BW3) 33 (10) 22 (15) 1.0 4.5
272MT-1180A 110 3.0 (BW3) 37 (10) 30 (10) 1.0 5.5
272MT-1177D 124 3.5 (BW3) 21 ( 6) 17 ( 6) 1.0 3.5
272MT-1175D 130 3.0 (BW3) 21 ( 5) 18 ( 5) 1.0 5.5
TYPE CBT13 (Triple tuned)
東光品番 中心周波数 帯域幅 選択度 リップル 挿入損失
TOKO
Part
Number
Center
Frequency
(MHz) Bandwidth
(MHz) Min. (dB)
Selectivity Ripple
(dB) Max.
Fo - ( )MHz
(dB) Min. Fo + ( )MHz
(dB) Min.
Insertion
Loss
(dB) Max.
272MT-1176D 133.7 3.5 (BW3) 23 ( 6) 18 ( 6) 1.0 3.5
272MT-1116A 134 5.0 (BW1) 24 (15) 24 (15) 1.0 3.0
272MT-1169D 137.5 2.0 (BW1) 35 (10) 30 (10) 1.0 4.5
272MT-1117D 140.21 3.7 (BW1) 26 (10) 25 (10) 1.0 3.0
272MT-1119D 143 3.0 (BW1) 35 (10) 22 (10) 1.0 4.0
272MT-1006A 145 2.8 (BW3) 25 ( 6) 25 ( 6) 5.0 8.0
272MT-1008A 145 1.2 (BW3) 30 ( 6) 30 ( 6) 5.0 8.0
272MT-1181D 147 4.0 (BW3) 20 ( 6) 15 ( 6) 1.0 3.5
272MT-1219A 156.7 1.5 (BW3) 33 ( 6) 25 ( 6) 1.0 7.0
272MT-1124D 157 3.5 (BW3) 17 ( 6) 13 ( 6) 1.0 3.5
272MT-1174A 159 7.0 (BW3) 35 (20) 33 (20) 1.0 3.0
272MT-1123A 160 2.0 (BW3) 17 ( 5) 15 ( 5) 1.0 6.0
272MT-1221A 161 2.2 (BW1) 32 (10) 40 (10) 1.0 4.5
272MT-1218A 161.3 1.5 (BW3) 30 ( 6) 25 ( 6) 1.0 7.0
272MT-1148A 164 1.0 (BW3) 30 ( 5) 25 ( 5) 1.0 8.5
SELECTION GUIDE FOR STANDARD FILTERS
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Helical Filters ヘリカルフィルタ TYPE
CBT13
272MT-1118D 165 3.9 (BW1) 15 (10) 16 (10) 1.0 3.0
272MT-1120A 169 3.5 (BW3) 35 (10) 25 (10) 1.0 6.0
272MT-1125D 171 4.4 (BW1) 16 (10) 14 (10) 1.0 2.5
272MT-1126F 177 4.0 (BW1) 15 (10) 13 (10) 1.0 3.0
272MT-1127F 183 4.0 (BW1) 17 (10) 17 (10) 1.0 3.0
TYPE CBT13 (Triple tuned)
東光品番 中心周波数 帯域幅 選択度 リップル 挿入損失
TOKO
Part
Number
Center
Frequency
(MHz) Bandwidth
(MHz) Min. (dB)
Selectivity Ripple
(dB) Max.
Fo - ( )MHz
(dB) Min. Fo + ( )MHz
(dB) Min.
Insertion
Loss
(dB) Max.
272MT-1131A 185 3.0 (BW3) 24 ( 6) 20 ( 6) 1.0 5.0
272MT-1128F 189 4.0 (BW1) 19 (10) 18 (10) 1.0 3.5
272MT-1208A 194.5 3.0 (BW3) 40 (15) 35 (15) 1.0 4.5
272MT-1129F 195 4.2 (BW1) 18 (10) 18 (10) 1.0 3.0
272MT-1182A 196 3.0 (BW3) 32 (10) 25 (10) 1.0 5.0
272MT-1195A 200 3.0 (BW3) 19 ( 6) 17 ( 6) 1.0 7.0
272MT-1130F 201 4.5 (BW1) 16 (10) 16 (10) 1.0 3.0
272MT-1132A 215 4.0 (BW3) 15 ( 6) 14 ( 6) 1.0 4.0
272MT-1209A 220 5.0 (BW3) 40 (15) 30 (15) 1.0 4.5
272MT-1146A 223 4.0 (BW3) 24 (10) 18 (10) 1.0 4.5
272MT-1188A 226.4 2.5 (BW1) 32 (10) 25 (10) 1.0 6.0
272MT-1013A 170 1.5 (BW3) 25 ( 6) 25 ( 6) 5.0 8.0
272MT-1007A 170 1.0 (BW1) 31 ( 5) 30 ( 5) 5.0 9.0
272MT-1080A 223 2.6 (BW1) 28 (10) 40 (20) 5.0 6.0
SELECTION GUIDE FOR STANDARD FILTERS
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