45.0MHz Monolithic Crystal Filters
Fundamental Mode
Model
Number
Centre
Frequency
(MHz)
Number
of Poles
Pass Band
dB @ kHz
Attenuation
Band
dB @ kHz
In-Band
Ripple
(dB)
Insertion
Loss
(dB)
Guaranteed
Attenuation
(dB @ kHz)
GMCF-45
Termination
( // pF)
Package
Style
45G7A1
45G7B1
45G15A1
45G15B1
45G20A1
45G20B1
45G30A1
45G30B1
45.000
45.000
45.000
45.000
45.000
45.000
45.000
45.000
2
4
2
4
2
4
2
4
3
3
3
3
3
3
3
3
±3.75
±3.75
±7.5
±7.5
±10.0
±10.0
±15.0
±15.0
10
30
15
30
15
40
15
40
±12.5
±12.5
±25.0
±25.0
±34.0
±48.0
±50.0
±60.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.5
4.0
2.0
3.0
2.0
3.0
2.0
3.0
65
90
35
40
70
70
35
40
70
70
35
35
70
70
±910
±910
+500 ~ +1000
-200 ~ -1000
+500 ~ +1000
-200 ~ -1000
+500 ~ +1000
-200 ~ -1000
+500 ~ +1000
-200 ~ -1000
+500 ~ +1000
-300 ~ -1000
+500 ~ +1000
-300 ~ -1000
300 // 10.0
300 // 8.0
(C
C
=20pF)
650 // 4.5
650 // 1.5
(C
C
=9.0pF)
700 // 2.5
700 // 1.5
(C
C
=6.5pF)
800 // 1.5
800 // 1.0
(C
C
=5.0pF)
UM-1/3L
UM-1/3Lx2
UM-1/3L
UM-1/3Lx2
UM-1/3L
UM-1/3Lx2
UM-1/3L
UM-1/3Lx2
3rd Overtone Mode
Model
Number
Centre
Frequency
(MHz)
Number
of Poles
Pass Band
dB @ kHz
Attenuation
Band
dB @ kHz
In-Band
Ripple
(dB)
Insertion
Loss
(dB)
Guaranteed
Attenuation
(dB @ kHz)
Termination
( // pF)
Package
Style
45G7A3
45G7B3
45G15A3
45G15B3
45G20A3
45G20B3
45G30A3
45G30B3
45.000
45.000
45.000
45.000
45.000
45.000
45.000
45.000
2
4
2
4
2
4
2
4
3
3
3
3
3
3
3
3
±3.75
±3.75
±7.5
±7.5
±10.0
±10.0
±15.0
±15.0
10
30
18
40
15
35
15
30
±12.5
±12.5
±28.0
±30.0
±30.0
±40.0
±50.0
±50.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
4.0
2.0
3.0
2.0
3.0
2.0
3.0
35
75
35
35
70
70
35
35
70
70
30
30
70
70
±910
±910
+500 ~ +1000
-200 ~ -1000
+500 ~ +1000
-200 ~ -1000
+500 ~ +1000
-200 ~ -1000
+500 ~ +1000
-200 ~ -1000
+500 ~ +1000
-300 ~ -1000
+500 ~ +1000
-300 ~ -1000
2500 // -0.5
2500 // -0.5
(C
C
=0pF)
4000 // -1.0
4000 // -1.0
(C
C
=-1.0pF)
5000 // -1.0
5000 // -1.0
(C
C
=-1.5pF)
8000 // -1.0
8000 // -1.0
(C
C
=-1.5pF)
UM-1/3L
UM-1/3Lx2
UM-1/3L
UM-1/3Lx2
UM-1/3L
UM-1/3Lx2
UM-1/3L
UM-1/3Lx2
Operating temperature range of -20 to +70°C.
Most UM-1 models also available in UM-4 or UM-5
Formed leads and jacket SM option for UM-1, UM-4, UM-5
Tel:
+44 1460 256 100
06 Mar 2000
Fax:
+44 1460 256 101
E-mail:
sales@golledge.com
Web:
www.golledge.com
GOLLEDGE [ GOLLEDGE ELECTRONICS LTD ]
