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Recent content by GrimReaper

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    wireless communication kit

    Never seen household lighting get in the way of a TV remote, because the reciever lens is optically filtered for 950nm.
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    wireless communication kit

    Problems with IR......lighting can cause false triggering...try a overhead flourescent light, you'll get data! needs optical filtering.
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    wireless communication kit

    Forget that cc2500 unit, you can get a TI ez430 (USB Interface) and use the free IAR software or a simple unit like: **broken link removed** (USB Interface) and use the digi XCTU software.
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    Wanted DESIGN PARTNERS for:

    ATMEL AVR, FREESCALE, & MICROCHIP MUST BE DESIGN PARTNER of ATMEL, FREESCALE, or MICROCHIP MUST HAVE WEBSITE THAT EXPLAINS YOUR DESIGN SERVICES USA OR INTERNATIONAL MANY INQUIRIES FOR DESIGNERS SEE: **broken link removed** See top of page for details!
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    Boost converter inductor choice

    Inductor value needs calculated. Needs to be at least .75A higher than the rated value, and the switching frequency will also be important. Just can't randomly pick the components. Capactors are selected based on ripple current capability and low esr. I suggest you go to Linear Tech and download...
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    PIC to control PWM signal - DC/DC converter

    ltc1149 mppt Go to Linear-Tech.com Download their free SwitcherCad III Program. You'll find what you need in their example designs
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    Short ckt protection for Power Supply

    Here is a current mirror i designed, causing foldback on short circuit. Low noise op amp, fast slew rate, rail to rail.
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    Short Circuit Protection Module

    AC SS Protect Sense a zero cross @ rated frequency as long as you have a active cross enable a Triac to feed AC.
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    laser hair removal project

    1. You need a Laser 1064nm wavelength. 2. Power requirements about 200vdc@400Amps energy is pulsed at about 1Hz to 2 Hz rate. 3. In addition you need a simmer voltage about 1KV to simmer the laser before firing. 4. Detectors to measure the energy being delivered. 5. A fiber optic delivery...
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    Why/when to use switched power supply?

    See program SwitchercadIII In 20 Day I have uploaded this Program for you.....Just install
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    Why/when to use switched power supply?

    Contradictions Are not many. 1. Euro EMC standards can be met. EMC is highest in high current loop, the switch, catch-diode, and LC filter. Keep this loop between these components as short as possible. Inductor must be shielded. You wont have any compliance problems. 2. Line surge's....use a...
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    [question] How to double frequency?

    Can play with this clock doubling circuit, to operate at approx 500kHz, using CMOS logic. +-------+ | hc86 | +-----------| | clkin ----+ | +--- clkout = 2*clkin +-N-R-+-N---+ |...

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