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  • Very useful Logic Anayizer to carry anywhere!

    posted by emolfi2 on 09/27/2012
    5 0

    Involvement:Expert (understands the inner workings) - Ownership:1 day to 1 week

    Pros:

    Very small and neat. Comes all packaged in a real antistatic bag.
    No analog input!
    VID: 08A9 PID: 0014
    ATMEL 24c02N SU27 hardwired for I2C read address A0
    NXP 74HC245 100K pullups with 100R series hardwired as permanent input buffer, so no output.
    CH0 (not CH1 as labeled) is monitored after the buffer with an LED that lights when is pulled to ground.
    Based on Cypress FX2 CY7C68013A-56PVXC
    AMS1117 3.3V
    NOKIA DKE-2 mini USB cable
    Single pin female connectors on a colored flat cable.

    Cons:

    PCB designed with vias over pads on an ugly ground track where some solder joints are barely done.
    USB input fuse is a 0R resistor. A few decoupling caps and USB shield connecting parts to ground are missing.

    OtherThoughts:

    Label is misaligned with the LEDs. The PCB is loose inside the tiny box and rattle a bit.
    Would've nice if one end of the flat cable used a 10 pin IDC connector instead of the individual pins but are easy to tape all together anyway.

    Bottomline:

    Easy to open. No screws. Just pull the top from the 10 pin connector side.

    • e2prom ATMEL 24c02N SU27
    • Bottom view detail
    • Top view detail
    • FX2 CY7C68013A-56PVXC
    • mini USB cable
    • Open box

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