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PMC offers programmable custom frequency generation

Posted: 09 Aug 2010     Print Version  Bookmark and Share

Keywords:programmable clock synthesiser  PMC  module 

 7191

Pentek Inc. adds a user-configurable programmable clock synthesiser PCI mezzanine card (PMC) module, model 7191 to its multi-frequency clock synthesiser offerings. The Model 7191 gives designers working with A/Ds and D/As a precise clock source and the flexibility of custom frequency generation under simple software control.

The Model 7191 uses low-noise VCXOs for the fundamental frequency generation. The VCXO output is followed by a clock synchroniser from Texas Instruments Inc. to allow synchronisation with common frequency reference sources.

The PMC generates four different user-programmable VCXO frequencies, plus four divided versions (by 2, 4, 8 and 16) of each oscillator. Using provided software, users can freely route up to five different frequencies from this set of 20 choices to the board's eight buffered 50 outputs.

The user-programmability of the Model 7191 provides arbitrary frequencies to help speed development by providing immediate access to non-standard operating frequencies. Conventional crystal oscillators for custom frequencies often require extremely long lead times.

The card also helps streamline development by being easy to integrate into popular system architectures. The board's base format is an industry-standard PMC module with 32bit 33/66MHz PCI interface, usable on any type of carrier that supports PMC. Pentek also offers this module on simple carriers for PCI, PCIExpress, CompactPCI, VME and VPX form factors.

For Linux, Windows, or VxWorks OS, the 7191 module is supported with the ReadyFlow Board Support Package with full control over and status of board operation across the PCI bus. The board is also equipped with non-volatile configuration memory for dedicated operation in systems without PCI control.

The Model 7191 multi-frequency programmable clock synthesiser is priced at Rs.1,40,671.80 ($2,995) and delivery is from inventory to 4 weeks ARO.





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