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Recent content by jackyqiu

  1. J

    How to measure PIM3 or P1dB of an amplifier?

    amplificateur + p1db I think IM3 and P1dB can be measured by using SG and SA. They are described linearity of active circuit.
  2. J

    Looking for paper/design of EMC for PCB

    EMC for PCB I want to know the EMC design for PCB, who have the EMC paper for PCB?
  3. J

    Calculate traces width, spacing base on impedance?

    agilent +impedance +calculator +freeware There are many program for this, like Agilent APPCAD..., it's free,you can download.
  4. J

    PCB Trace current capacity

    pcb current capacity I think this is good reference to design .
  5. J

    Help me design an upconverter for UHF band

    upconverter you can find some example in ADS!
  6. J

    I want to find a VCO that works in the range of 200-800 MHz

    Re: I want to find a VCO you can find it in minicuits com.!
  7. J

    Rx NF calculated in basestation?

    rx nf beacuse the LNA is used balance design in rx, how to calculate the system NF.Generally the Function NF=NF1+(NF2-1)/G1+(NF2-1)/G2+...; now how to calculate NF1, G1, when LNA is balance designed.
  8. J

    How to design LDMOS PA

    ldmos match hi, element115 first thank ur suggestion.i don't find its input/output imdence in datasheet, but find its referrence layout; if conjugate match, PAE and efficency is best, general way is loadpull in design PA. whether can i get ur referrence, could u send me ur schematic ...
  9. J

    How to design LDMOS PA

    ldmos pa Using Philips BLF1820-90 to design 1.9G 30W PA, download datasheet from the philips website, but don't find simulated file. who can tell me how to match its input and output using microstrip in ads? thanks in advance!
  10. J

    TSMC 0.18 RF designkit for ADS2005A

    @DS2003 design kit it's good model. Useless post. Warning! -- mw
  11. J

    Need information about multitone HB method

    multytone HB mathod There are some templates in ADS, u can be guided to design.
  12. J

    suggest three book for practic microwave filter design

    where can they be downloaded?
  13. J

    Welford, Useful Optics, Chicago Press, 1991.pdf

    is there optics and electirical reference book?
  14. J

    Talk about RF layout experiences about mobile phone.

    1. Rx and Tx is separated to different layer 2. use microstrip 3. use shielding house in Rx and TX circuit 4. Crystal line is separated by the ground plane, don't infect RF signal 5. PLL circiut is layouted to same layer with Rx circuit
  15. J

    How to convert Verilog net list to SPICE net list?

    eispice verilog i want to know this way.
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