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Recent content by DonJ

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    RF System Design tools

    rf systems planning With a sound understanding of the theory you can use an excel sheet as a first estimate.
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    'Wibree' can be used in small devices such as watches

    Please look at www.wibree.com
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    For satellite communication, the downlink frequency is lower

    Re: For satellite communication, the downlink frequency is l It's correct. The resources on the comm. satellite are scarce so saving power by transmitting at the lower freq is the standard choice. Good guess :D
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    Looking for a 2.4Ghz DSSS OEM module.

    dsss module Not so many chips can support 1.5 Mbps. Nordic Semiconductor is a good start. Good hunt! A.T.B.
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    What is the best wireless technology for tracking assets ?

    Re: ASSET TRACKING Also consider: UWB Hybrid use of the technologies you mentioned. A.T.B
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    Who willwin the Zigbee market?

    What do you mean by that? There are plenty of Zigbee IC's out there! (1) www.freescale.com/zigbee (2) www.ubec.com/zigbee (3) www.ti.com/zigbee www.chipcon.com/zigbee A.T.B
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    Who willwin the Zigbee market?

    Ian ZORRO, the swordman? Please do tell! ATB
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    Who willwin the Zigbee market?

    I made up my mind after reading this excellent press: **broken link removed**
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    Two question about LNA design

    Cgd and Cgs affect different circuit performance: Cgd: Reverse isolation (Miller)
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    how to verified that my design specification is the best?

    Re: how to verified that my design specification is the best In practice, yes! Good luck.
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    Theory for mixer conversion gain

    Hi The theoretical gain of a mixer is the same either for up or down conversion. Parameters of interest: gm, Zload, switching effeciency all the best
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    The best RF design book?

    best books for rf design "RF Theory and Design Demystified" :)
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    please tell me a quension!

    indexes = specifications ? :)
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    What's difference between RF & normal process [CMOS] ?

    Re: What's difference between RF & normal process [CMOS Nowadays, no differences in most cases! :)
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    How to start working with ZigBee design?

    starting zigbee I think it is not for free. :)

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