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Programmable Oscillators

Fri, 04/06/2001 - 5:21am
VITE (Vectron International Technology Express) has introduced a series of SMD Programmable clock oscillators for use in telecommunication and networking applications.

The model VPC1 programmable crystal controlled oscillators are housed in an industry-standard 5 x 7 mm ceramic surface-mount package and have a frequency range to 160 MHz. Utilizing a proprietary design and an exclusive programming method, the oscillators are programmed to a specified frequency prior to shipment using an EPROM (Electronically Programmable Read Only Memory) integrated circuit.

The units are HCMOS or TTL compatible and available with either a supply voltage of 5.0 Vdc ± 10% or 3.3 Vdc ± 10%. Operating temperatures are 0 ° C to 70 ° C or – 40 ° C to 85 ° C. Other options include ± 25, ± 50 or ± 100 ppm frequency stabilities and a tri-state or power-down function. Jitter performance as low as 7 PS rms is available in some packages.

In addition to the 5 x 7 ceramic SMD version, VITE programmable oscillators are also offered in a 14 pin (VPA1/VPA2) or 8 pin (VPB1/VPB2) hermetically sealed metal package and a plastic SMD package. (VPE1).

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