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Forum: RF, Microwave, Antennas and Optics

RF, microwave, antennas and optics questions. Radio/TV/satellite transmitters and receivers.

  1. Sticky Thread Sticky: 26V Current Sense Amplifier

    Started by mmatheson, 16th May 2018 16:43
    • Replies: 0
    • Views: 6,276
    mmatheson
    16th May 2018, 16:43 Go to last post

  2. Sticky Thread Sticky: Do not post e-books or requests for e-books or ieee papers here!

    Started by klug, 9th May 2007 08:28
    • Replies: 0
    • Views: 36,753
    klug
    9th May 2007, 08:28 Go to last post

  3. Sticky Thread Sticky: LEGALS/UNLEGALS FILES----NEW RULES

    Started by james, 26th December 2002 15:44
    • Replies: 0
    • Views: 37,009
    james
    26th December 2002, 15:44 Go to last post

  1. Trying to get a pass in EMC

    Started by Winsu, Yesterday 22:34
    • Replies: 0
    • Views: 33
    Winsu
    Yesterday, 22:34 Go to last post

  2. How can Transmission line does not see Stub?

    Started by Dummyeng, 25th February 2020 17:15
    1 Attachment(s)
    • Replies: 5
    • Views: 179
    FvM
    Yesterday, 20:04 Go to last post

  3. Engineer Finger test

    Started by alftel, Yesterday 20:03
    1 Attachment(s)
    • Replies: 0
    • Views: 32
    alftel
    Yesterday, 20:03 Go to last post

  4. radar for object detection

    Started by Martin0107, 18th February 2020 10:52
    • Replies: 4
    • Views: 282
    Georgy.Moshkin
    Yesterday, 17:03 Go to last post

  5. Antenna - input impedance (Zo= 50 Ω)

    Started by lufer17, 19th February 2020 19:59
    2 Attachment(s)
    • Replies: 5
    • Views: 284
    Georgy.Moshkin
    Yesterday, 16:39 Go to last post

  6. A Dual-loop Optoelectronic Oscillator

    Started by RachelAnne289, Yesterday 04:12
    1 Attachment(s)
    • Replies: 0
    • Views: 94
    RachelAnne289
    Yesterday, 04:12 Go to last post

  7. A Biasing problem in LNA circuit

    Started by Anomis, 24th February 2020 07:46
    1 Attachment(s)
    • Replies: 4
    • Views: 226
    mehdu
    25th February 2020, 14:58 Go to last post

  8. Standard test for RX and TX

    Started by mehdu, 25th February 2020 14:52
    • Replies: 0
    • Views: 95
    mehdu
    25th February 2020, 14:52 Go to last post

  9. ADS model Doide s-param

    Started by Dummyeng, 17th February 2020 16:54
    3 Attachment(s)
    • Replies: 4
    • Views: 350
    ktr
    25th February 2020, 11:36 Go to last post

  10. Specifications beyond data sheet...

    Started by Externet, 24th February 2020 03:47
    • Replies: 3
    • Views: 235
    Externet
    25th February 2020, 02:26 Go to last post

  11. [CST] Antenna import from Solidworks to CST

    Started by pragash, 24th February 2020 17:31
    2 Attachment(s)
    • Replies: 0
    • Views: 80
    pragash
    24th February 2020, 17:31 Go to last post

  12. learning to detect radio signal.

    Started by dl09, 22nd February 2020 18:00
    • Replies: 13
    • Views: 599
    d123
    23rd February 2020, 20:16 Go to last post

  13. drawing meander line helix in CST

    Started by pragash, 21st February 2020 08:20
    1 Attachment(s)
    • Replies: 1
    • Views: 170
    pragash
    21st February 2020, 15:33 Go to last post

  14. How to define excitation and boundary condition of a dual and quad output switch?

    Started by Zorah_Ahmad, 21st February 2020 09:53
    1 Attachment(s)
    • Replies: 0
    • Views: 113
    Zorah_Ahmad
    21st February 2020, 09:53 Go to last post

  15. Noise Source generator Circuit

    Started by hlohani93, 20th February 2020 17:44
    • Replies: 2
    • Views: 146
    vfone
    21st February 2020, 09:41 Go to last post

  16. Phase detector with synchronous logic (FPGA)

    Started by mtwieg, 16th February 2020 23:07
    • Replies: 13
    • Views: 720
    FvM
    19th February 2020, 22:40 Go to last post

  17. Filter topology anyone knows

    Started by Winsu, 18th February 2020 22:04
    1 Attachment(s)
    • Replies: 3
    • Views: 299
    Winsu
    19th February 2020, 22:38 Go to last post

  18. Coupler or Combiner?

    Started by mehdu, 17th February 2020 14:50
    • Replies: 4
    • Views: 298
    albbg
    19th February 2020, 21:55 Go to last post

  19. HAM radio topic: EM based design of a 432 MHz high pass with 144 MHz rejection

    Started by volker@muehlhaus, 23rd January 2020 16:13
    5 Attachment(s)
    • Replies: 12
    • Views: 1,248
    volker@muehlhaus
    19th February 2020, 10:26 Go to last post

  20. Mobile Communication using different frequencies

    Started by poojadholam, 19th February 2020 08:48
    • Replies: 1
    • Views: 161
    kaz1
    19th February 2020, 09:08 Go to last post

  21. How would you implement this receiver ?

    Started by Externet, 18th February 2020 18:04
    • Replies: 0
    • Views: 155
    Externet
    18th February 2020, 18:04 Go to last post

  22. What does the X mean in the MTBF eauqtion?

    Started by tony_lth, 18th February 2020 09:55
    2 Attachment(s)
    • Replies: 1
    • Views: 181
    tony_lth
    18th February 2020, 12:42 Go to last post

  23. Switching of Mobile Networks

    Started by poojadholam, 17th February 2020 08:49
    • Replies: 2
    • Views: 239
    poojadholam
    17th February 2020, 13:18 Go to last post

  24. DAC Noise Simulation

    Started by Marcinstein, 25th January 2020 18:10
    • Replies: 6
    • Views: 784
    Marcinstein
    15th February 2020, 12:08 Go to last post

  25. RF Switch with diode

    Started by Dummyeng, 14th February 2020 15:36
    1 Attachment(s)
    • Replies: 5
    • Views: 374
    Dummyeng
    15th February 2020, 05:32 Go to last post

  26. Turn long wire into antenna

    Started by rrrRbert, 8th February 2020 13:44
    1 Attachment(s)
    • Replies: 8
    • Views: 585
    chiques
    13th February 2020, 23:31 Go to last post

  27. Bluetooth LO Selection

    Started by Puppet123, 12th February 2020 20:34
    • Replies: 3
    • Views: 349
    Puppet123
    13th February 2020, 20:58 Go to last post

  28. Radiation pattern of an inverted F antenna IFA

    Started by sqx, 5th February 2020 17:28
    3 Attachment(s)
    • Replies: 1
    • Views: 258
    chiques
    13th February 2020, 20:41 Go to last post

  29. Checking 2 Port SMD Device for Passivity

    Started by chiques, 13th February 2020 20:31
    1 Attachment(s)
    • Replies: 0
    • Views: 99
    chiques
    13th February 2020, 20:31 Go to last post

  30. Ansys HFSS : Failed to solve port 1, solving at too low frequency is a possible cause

    Started by careyer, 13th February 2020 20:10
    • Replies: 0
    • Views: 105
    careyer
    13th February 2020, 20:10 Go to last post
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