45ꢀ0MHz Monolithic Crystal Filters
GMCF-45
Fundamental Mode
Model
Number
Centre
Frequency of Poles
(MHz)
Number
Pass Band
dB @ kHz
Attenuation
Band
dB @ kHz
In-Band Insertion
Guaranteed
Attenuation
(dB @ kHz)
Termination
(⏲ // pF)
Package
Style
Ripple
(dB)
Loss
(dB)
45G7A1
45G7B1
45.000
45.000
2
4
3
±3.75
±3.75
10
±12.5
±12.5
1.0
1.0
2.5
4.0
65
±0
±±10
300 // 10.0
UM-1/3L
3
3
3
3
3
3
3
30
15
30
15
40
15
40
±±10
300 // 8.0
(CC=20pF)
UM-1/3Lx2
45G15A1
45G15B1
45G20A1
45G20B1
45G30A1
45G30B1
45.000
45.000
45.000
45.000
45.000
45.000
2
4
2
4
2
4
±7.5
±25.0
±25.0
±34.0
±48.0
±50.0
±60.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
3.0
2.0
3.0
2.0
3.0
35
40
+500 ~ +1000
-200 ~ -1000
650 // 4.5
UM-1/3L
±7.5
70
70
+500 ~ +1000
-200 ~ -1000
650 // 1.5
(CC=±.0pF)
UM-1/3Lx2
UM-1/3L
±10.0
±10.0
±15.0
±15.0
35
40
+500 ~ +1000
-200 ~ -1000
700 // 2.5
70
70
+500 ~ +1000
-200 ~ -1000
700 // 1.5
(CC=6.5pF)
UM-1/3Lx2
UM-1/3L
35
35
+500 ~ +1000
-300 ~ -1000
800 // 1.5
70
70
+500 ~ +1000
-300 ~ -1000
800 // 1.0
(CC=5.0pF)
UM-1/3Lx2
3rd Overtone Mode
Model
Number
Centre
Frequency of Poles
(MHz)
Number
Pass Band
dB @ kHz
Attenuation
Band
dB @ kHz
In-Band Insertion
Guaranteed
Attenuation
(dB @ kHz)
Termination
(⏲ // pF)
Package
Style
Ripple
(dB)
Loss
(dB)
45G7A3
45G7B3
45.000
45.000
2
4
3
±3.75
±3.75
10
±12.5
±12.5
1.0
1.0
2.0
4.0
35
75
±±10
±±10
2500 // -0.5
UM-1/3L
3
3
3
3
3
3
3
30
18
40
15
35
15
30
2500 // -0.5
(CC=0pF)
UM-1/3Lx2
45G15A3
45G15B3
45G20A3
45G20B3
45G30A3
45G30B3
45.000
45.000
45.000
45.000
45.000
45.000
2
4
2
4
2
4
±7.5
±28.0
±30.0
±30.0
±40.0
±50.0
±50.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
3.0
2.0
3.0
2.0
3.0
35
35
+500 ~ +1000
-200 ~ -1000
4000 // -1.0
UM-1/3L
±7.5
70
70
+500 ~ +1000
-200 ~ -1000
4000 // -1.0
(CC=-1.0pF)
UM-1/3Lx2
UM-1/3L
±10.0
±10.0
±15.0
±15.0
35
35
+500 ~ +1000
-200 ~ -1000
5000 // -1.0
70
70
+500 ~ +1000
-200 ~ -1000
5000 // -1.0
(CC=-1.5pF)
UM-1/3Lx2
UM-1/3L
30
30
+500 ~ +1000
-300 ~ -1000
8000 // -1.0
70
70
+500 ~ +1000
-300 ~ -1000
8000 // -1.0
(CC=-1.5pF)
UM-1/3Lx2
ͷ Operating temperature range of -20 to +70°C.
ͷ Most UM-1 models also available in UM-4 or UM-5
ͷ Formed leads and jacket SM option for UM-1, UM-4, UM-5
Tel: +44 1460 256 100
Fax: +44 1460 256 101
E-mail: sales@golledge.com
Web: www.golledge.com
06 Mar 2000
GOLLEDGE [ GOLLEDGE ELECTRONICS LTD ]
