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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: 6,212
    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: 36,686
    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: 36,945
    james
    26th December 2002, 15:44 Go to last post

  1. drawing meander line helix in CST

    Started by pragash, Yesterday 08:20
    1 Attachment(s)
    • Replies: 1
    • Views: 97
    pragash
    Yesterday, 15:33 Go to last post

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

    Started by Zorah_Ahmad, Yesterday 09:53
    1 Attachment(s)
    • Replies: 0
    • Views: 69
    Zorah_Ahmad
    Yesterday, 09:53 Go to last post

  3. Noise Source generator Circuit

    Started by hlohani93, 20th February 2020 17:44
    • Replies: 2
    • Views: 97
    vfone
    Yesterday, 09:41 Go to last post

  4. Phase detector with synchronous logic (FPGA)

    Started by mtwieg, 16th February 2020 23:07
    • Replies: 13
    • Views: 582
    FvM
    19th February 2020, 22:40 Go to last post

  5. Filter topology anyone knows

    Started by Winsu, 18th February 2020 22:04
    1 Attachment(s)
    • Replies: 3
    • Views: 234
    Winsu
    19th February 2020, 22:38 Go to last post

  6. Coupler or Combiner?

    Started by mehdu, 17th February 2020 14:50
    • Replies: 4
    • Views: 234
    albbg
    19th February 2020, 21:55 Go to last post

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

    Started by lufer17, 19th February 2020 19:59
    1 Attachment(s)
    • Replies: 0
    • Views: 116
    lufer17
    19th February 2020, 19:59 Go to last post

  8. radar for object detection

    Started by Martin0107, 18th February 2020 10:52
    • Replies: 2
    • Views: 181
    vfone
    19th February 2020, 10:51 Go to last post

  9. 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: 1,180
    volker@muehlhaus
    19th February 2020, 10:26 Go to last post

  10. Mobile Communication using different frequencies

    Started by poojadholam, 19th February 2020 08:48
    • Replies: 1
    • Views: 126
    kaz1
    19th February 2020, 09:08 Go to last post

  11. How would you implement this receiver ?

    Started by Externet, 18th February 2020 18:04
    • Replies: 0
    • Views: 129
    Externet
    18th February 2020, 18:04 Go to last post

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

    Started by tony_lth, 18th February 2020 09:55
    2 Attachment(s)
    • Replies: 1
    • Views: 157
    tony_lth
    18th February 2020, 12:42 Go to last post

  13. ADS model Doide s-param

    Started by Dummyeng, 17th February 2020 16:54
    3 Attachment(s)
    • Replies: 3
    • Views: 263
    volker@muehlhaus
    18th February 2020, 08:59 Go to last post

  14. Switching of Mobile Networks

    Started by poojadholam, 17th February 2020 08:49
    • Replies: 2
    • Views: 215
    poojadholam
    17th February 2020, 13:18 Go to last post

  15. DAC Noise Simulation

    Started by Marcinstein, 25th January 2020 18:10
    • Replies: 6
    • Views: 743
    Marcinstein
    15th February 2020, 12:08 Go to last post

  16. RF Switch with diode

    Started by Dummyeng, 14th February 2020 15:36
    1 Attachment(s)
    • Replies: 5
    • Views: 320
    Dummyeng
    15th February 2020, 05:32 Go to last post

  17. Turn long wire into antenna

    Started by rrrRbert, 8th February 2020 13:44
    1 Attachment(s)
    • Replies: 8
    • Views: 529
    chiques
    13th February 2020, 23:31 Go to last post

  18. Bluetooth LO Selection

    Started by Puppet123, 12th February 2020 20:34
    • Replies: 3
    • Views: 313
    Puppet123
    13th February 2020, 20:58 Go to last post

  19. Radiation pattern of an inverted F antenna IFA

    Started by sqx, 5th February 2020 17:28
    3 Attachment(s)
    • Replies: 1
    • Views: 238
    chiques
    13th February 2020, 20:41 Go to last post

  20. Checking 2 Port SMD Device for Passivity

    Started by chiques, 13th February 2020 20:31
    1 Attachment(s)
    • Replies: 0
    • Views: 83
    chiques
    13th February 2020, 20:31 Go to last post

  21. 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: 88
    careyer
    13th February 2020, 20:10 Go to last post

  22. Dipole vs Patch Antenna for indoor wifi

    Started by sassyboy, 13th February 2020 00:22
    • Replies: 1
    • Views: 245
    vfone
    13th February 2020, 07:59 Go to last post

  23. Induced voltages on transmission line by plane wave in HFSS

    Started by garret, 13th February 2020 07:17
    4 Attachment(s)
    • Replies: 0
    • Views: 166
    garret
    13th February 2020, 07:17 Go to last post

  24. Getting nonlinear model for JFET and GaAsHEMT transistor

    Started by narayani, 30th January 2020 10:37
    2 Attachment(s)
    • Replies: 5
    • Views: 494
    albbg
    11th February 2020, 23:43 Go to last post

  25. Need Help in Simulating Device in HFSS.

    Started by swadesh07, 10th February 2020 23:38
    2 Attachment(s)
    • Replies: 0
    • Views: 221
    swadesh07
    10th February 2020, 23:38 Go to last post

  26. What can prevent two BT devices to connect successfully

    Started by bhl3302, 9th February 2020 09:33
    • Replies: 7
    • Views: 417
    vfone
    10th February 2020, 14:44 Go to last post

  27. Pulsed microwave beam conundrum

    Started by dloominator, 6th February 2020 23:23
    • Replies: 9
    • Views: 576
    andre_teprom
    8th February 2020, 17:21 Go to last post

  28. [SOLVED] Star topology chipset for long range (high power) comms

    Started by ArticCynda, 9th January 2020 17:13
    • Replies: 8
    • Views: 831
    vfone
    8th February 2020, 13:36 Go to last post

  29. itemdef.ael not found while trying to place a SmithChart smart component

    Started by vivekroy, 7th February 2020 11:13
    • Replies: 0
    • Views: 141
    vivekroy
    7th February 2020, 11:13 Go to last post

  30. How the output power changes by varying the capacitor connected in series with gate

    Started by circuitking, 6th February 2020 14:45
    • Replies: 3
    • Views: 261
    FvM
    6th February 2020, 19:27 Go to last post
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