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Total Frequency Control News ....

TFC Monolithic Crystal Filters - February 2013

TFC monolithic crystal filters feature excellent selectivity, small insertion loss and very high reliability.  Standard and custom designs are available as discrete and packages units.

The range includes standard 10.70MHz, 21.40MHz, 45MHz fundamental and third overtone designs. Also six and eight pole block filters with the option of matching transformers. 

Quartz is the ideal resonator for selective narrow band filters providing a temperature stable, high Q resonant source together with a low mass and small size. 

The TFC data includes a general range of filters available for applications with channel spacing requirements of between ±12.5kHz and ±50kHz complemented by single sideband filters and custom designs available for special applications. 

The correct termination of quartz filters is of prime importance to realise the high performance for each design. TFC crystal filters are 100% tested and for custom manufactured product a test fixture, representing the correct load, is available for verification by the customer of the load conditions by goods inwards inspection or for engineering development to correctly correlate the load conditions. Selected pairs of filters are available and also an extended working temperature range for certain filters to special order

About Total Frequency Control Ltd …
TFC provides European distribution and a Head Office for group manufacturing facilities supporting and managing the resources of three companies.

Manufacturing includes High Precision Quartz products for resonators, QCM, Material Lapping and Polishing, Precision OCXO, TCXO and VCXO oscillators and Frequency Standards. Distribution provides an extensive range of Inductive Components with Air Wound Coils, Moulded Coils, Chip Inductors, Screened and Moulded r.f. Coils, smd Power Inductors, Toroid Coils, Noise Suppression Modules and Ferrite beads. A select range of Miniature smd Clock Oscillators, TCXO and VCXO are also provided to complement the manufactured range.

The companies have Integrated Management Systems and hold registrations to ISO9001: 2008, ISO14001: 2004, IPC J-STD-001, Investor in People and are RoHS compliant. In house shock and vibration test systems provide certification and conformance to environmental standards and specific customer requirements.

Contact: Tsao.Mills@tfc.co.uk

 

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