Filters
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Crystal Filter Ordering Information
|
Where possible, filters for a given application should be selected from
the Standard Range, and ordered by quoting the appropriate filter type. If the application
is such that a custom filter is required, then our engineers are available to discuss the
specification and to obtain the best compromise between performance and the unavoidable
cost of design and development.
Standard Filters
Hy-Q International offer a range of standard filters which cover the most
common applications. These all fall into the following groups:
To order, please contact our sales
office who will advise if your requirements can be matched in our comprehensive range
of existing designs. If the requirement is such that a custom filter is required, then
our engineers are available to discuss the specification and to obtain the best compromise
between performance and cost. The following is the minimum information required for the
specification of a custom filter:
| Filter
Application: |
Low
Pass__________ High Pass___________
Band Pass_________ SSB_______________
Other_____________ |
| Reference
Frequency: |
_____________ kHz |
| Pass
Bandwidth: |
_____________ dB @ ±
____________ kHz
Ripple______________ dB Max. Insertion Loss __________dB Max. |
| Stop
Bandwidth(s): |
_____________ dB @ ±
____________ kHz
_____________ dB @ ± ____________ kHz |
| Guaranteed
Attenuation: |
_____________ dB @ ±
____________ kHz |
| Source
Impedance: |
_____________ ohm// ____________
pF |
| Load
Impedance: |
_____________ ohm// ____________
pF |
| Operating
Temperature Range: |
_____________ °C to
____________ °C |
| Package
Style: |
Either
_____________
or size: L_____________ W_____________ H_____________ |
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