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What are Analog's long term intentions regarding Hittite parts - already they have nearly killed my product by making parts obsolete without any drop in replacement.

I am the chief design engineer for an RF product on sale world wide that uses Hittite microwave parts. We have recently been hit by Analog announcing that HMC916 (active tripler) is obsolete and I have just finished a new design to work around. I now find HMC788 is obsolete and will have to re-engage to find a work around. Could you please make a statement about what other Hittite parts you are going to drop without regard for existing designs (I know of no drop in replacement). We also use HMC311 - will this become obsolete?

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  • Hi,

    We are sorry to hear that your product plans are effected due to replacement and obsolescence announcements. We publish and distribute Product Discontinuity Notices before a part is obsoleted. PDN is usually published more than 6 months before the part is obsoleted. In order to make your life easier, Last Time Buy dates are usually at least half a year after the PDN is released. Do you think these dates are acceptable? Is the timing similar to what you experienced?

    HMC311 is at production at the moment and no EOL plans for now.

    HMC788A is the replacement part for HMC788, which is pin to pin compatible and recommended for new designs.

    http://www.analog.com/en/products/amplifiers/rf-amplifiers/hmc788a.html#product-overview 

    Best,

    Kagan

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  • Hi,

    We are sorry to hear that your product plans are effected due to replacement and obsolescence announcements. We publish and distribute Product Discontinuity Notices before a part is obsoleted. PDN is usually published more than 6 months before the part is obsoleted. In order to make your life easier, Last Time Buy dates are usually at least half a year after the PDN is released. Do you think these dates are acceptable? Is the timing similar to what you experienced?

    HMC311 is at production at the moment and no EOL plans for now.

    HMC788A is the replacement part for HMC788, which is pin to pin compatible and recommended for new designs.

    http://www.analog.com/en/products/amplifiers/rf-amplifiers/hmc788a.html#product-overview 

    Best,

    Kagan

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