F70M20A Datasheet, PDF (1/1 Pages) ECM Electronics Limited. – Monolithic Crystal Filters

Monolithic Crystal Filters
ECM 70.0MHz
ƒ Small Size
ƒ Cost Effective Design
ƒ Surface Mount Available
ƒ Custom Options
Type
3^rd Overtone
F70M7.5A
F70M7.5B
F70M12A
F70M12B
F70M15A
F70M15B
F70M20A
F70M20B
F70M30A
F70M30B
Centre
Frequency
70.0MHz
70.0MHz
70.0MHz
70.0MHz
70.0MHz
70.0MHz
70.0MHz
70.0MHz
70.0MHz
70.0MHz
Ripple
(max)
1.0dB
1.0dB
1.0dB
1.0dB
1.0dB
1.0dB
1.0dB
1.0dB
1.0dB
1.0dB
Number
Of Poles
Passband
Width
Termination Case Style
Impedance
2
3dB +/-3.75kHz 2000Ω//0pF UM a ~ f
4
3dB +/-3.75kHz 1800Ω//0pF UM a ~ f
2
3dB +/-6.00kHz 2000Ω//-0.4pF UM a ~ f
4
3dB +/-6.00kHz 2000Ω//-0.2pF UM a ~ f
2
3dB +/-7.50kHz 2000Ω//-0.9pF UM a ~ f
4
3dB +/-7.50kHz 2000Ω//-0.4pF UM a ~ f
2
3dB +/-10kHz 2500Ω//-0.1pF UM a ~ f
4
3dB +/-10kHz 2500Ω//-0.8pF UM a ~ f
2
3dB +/-15kHz 4000Ω//-0.7pF UM a ~ f
4
3dB +/-15kHz 4000Ω//-0.8pF UM a ~ f
Code Case A
B
C
D
E
F
UM a UM-1 8.0 3.0 8.0 20.0 3.75 0.35
UM b UM-1S 8.0 2.5 8.0 20.0 3.75 0.35
UM c UM-5 8.0 3.0 6.0 20.0 3.75 0.35
UM d UM-5S 8.0 2.5 6.0 20.0 3.75 0.35
UM e UM-4 8.0 3.0 4.5 20.0 3.75 0.35
UM f UM-4S 8.0 2.5 4.5 20.0 3.75 0.35
Dimensions in mm
ECM Electronics Limited, Penmaen House, Ashington, West Sussex, RH20 3JR, UK
Tel: [phone]: Fax: [phone]. Email: [e-mail]
Although we have attempted to accurately reflect the products we market. ECM reserve the right without prior notice to
discontinue any product or make design changes we believe necessary.
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