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Recent content by kommanche

  1. K

    [SOLVED] XC8 Compiler How to split data

    Thanks Milan.
  2. K

    [SOLVED] XC8 Compiler How to split data

    Thank you for your help friends, I haven't tried it yet but I hope this will work : unsigned long dummy; dummy = XX; unsigned long x1,x2,x3,x4; dummy <<= 1; dummy <<= 1; x1 = (dummy & 0xFF000000) >> 24; // MSB x2 = (dummy & 0x00FF0000) >> 16; // Next 8 x3 = (dummy...
  3. K

    [SOLVED] XC8 Compiler How to split data

    Thank you for your help. Actually "char" is not critical. I may use long. I will be happy if you help me with one more question: Let's say I define A= 0x4B2F; I want to split it 4 pieces which have 8 bits each (total 32 bits) by adding 2 zeros(binary) in LSB; and required amount of 0's in...
  4. K

    [SOLVED] XC8 Compiler How to split data

    Hi, I am newbie in PIC programming. I am using PIC12F1822 and XC8 compiler. Can you please help me with the following: What I want to do is write a function for breaking 30 bit data into pieces and write them to target IC. How to do such a thing: char x=2DC6B2B3 asd(x) void asd (char xx)...
  5. K

    How to operate an IP camera in UDP mode

    Hi, I have a couple of ip cameras everyone of which can be operated either in TCP mode or UDP mode but i could not find how to adjust them to UDP. There is not such a choice in the setting sections. I need support from a network authority :). Thanks in advance,
  6. K

    Attenuator Nonlinearity

    Thanks, I am going to apply some more tests. I hope I can solve the problem.
  7. K

    Attenuator Nonlinearity

    Thanks, i know the bakground theory. When measurement is taken after PA, floor was -85 dbm/Hz. Then I placed a filter that filters receive band, nothing changed. Floor was still -85 dBm/Hz. Thats why I suspect attenuator.
  8. K

    Attenuator Nonlinearity

    Two transceivers are connected to each other with certain attenuators. Transceiver has different transmit & receive frequencies. Transmit & receive parts are connected with a diplexer. Tests are done in this configuration. Actually when attenuator is connected to 2W power amplifier, i see that...
  9. K

    Attenuator Nonlinearity

    Hi, We have a full duplex transceiver link whose power output is around 2W. For link tests when we connect a 2W fixed attenuator to transceiver output, it raises noise floor on receiver band very much so that receive sensitivity decreases. Is such a thing possible, is this a nonlinear effect...
  10. K

    Microcontroller selection for 2 Mbps serial data transfer

    Thanks HTA, I will consider your suggestions.
  11. K

    Microcontroller selection for 2 Mbps serial data transfer

    Hi Friends, I am quite new at microcontroller world. My main objective is to send and receive serial data to/from a transceiver at 2 Mbps speed. Also microcontroller will have a computer interface via ethernet. I do some research about the issue an find out there are millions of such...
  12. K

    Waveguide usage in Radar Receiver Front End

    Thanks for the helpful info.
  13. K

    Waveguide usage in Radar Receiver Front End

    Thanks, One last question, I saw some radar system that does not use an LNA and directly feed received signal to the mixer. Do you know the reason? I think there should be an LNA at the front.
  14. K

    Waveguide usage in Radar Receiver Front End

    And do you know any advantage of klystron oscillators over TCXO referenced PLL which uses standard VCO in terms of stability and phase noise?
  15. K

    Waveguide usage in Radar Receiver Front End

    Hi Friends, I want to ask an issue that I am curious about. I understand the need of waveguides in a CW Radar transmitter,for example in CWAR high power staff... But I do not understand the use of waveguides, big klystron oscillators, big switches at the receive part. I think that microstrip...
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