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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: 5,865
    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: 36,341
    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: 36,605
    james
    26th December 2002, 15:44 Go to last post

  1. Antenna Setup in different configuration

    Started by swadesh07, 9th January 2020 23:29
    2 Attachment(s)
    • Replies: 11
    • Views: 657
    swadesh07
    Today, 17:54 Go to last post

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

    Started by volker@muehlhaus, Today 16:13
    1 Attachment(s)
    • Replies: 0
    • Views: 33
    volker@muehlhaus
    Today, 16:13 Go to last post

  3. Seeking wiring advice for Wifi router

    Started by HomeBuildr, Today 08:44
    1 Attachment(s)
    • Replies: 1
    • Views: 54
    FvM
    Today, 09:26 Go to last post

  4. SNP file inport in HFSS

    Started by swadesh07, Yesterday 23:47
    • Replies: 0
    • Views: 100
    swadesh07
    Yesterday, 23:47 Go to last post

  5. Using ADS2019, How to set and measure tempature values for LNA?

    Started by pusparaga, 16th January 2020 16:54
    2 Attachment(s)
    • Replies: 6
    • Views: 452
    volker@muehlhaus
    Yesterday, 11:55 Go to last post

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

    Started by ArticCynda, 9th January 2020 17:13
    • Replies: 2
    • Views: 325
    ktr
    Yesterday, 10:35 Go to last post

  7. "Current adds up in phase"

    Started by huytergan, 19th January 2020 16:56
    • Replies: 3
    • Views: 264
    ktr
    Yesterday, 10:25 Go to last post

  8. How can I measure the Side-Band Amplitude?

    Started by EltonBrasil, 20th January 2020 20:16
    • Replies: 3
    • Views: 238
    FvM
    21st January 2020, 15:50 Go to last post

  9. Loose Coupling for a coaxial resonator

    Started by chiques, 16th January 2020 03:21
    • Replies: 3
    • Views: 332
    vfone
    18th January 2020, 11:49 Go to last post

  10. HFSS Cosimulation using floquet port

    Started by swadesh07, 17th January 2020 19:49
    • Replies: 0
    • Views: 95
    swadesh07
    17th January 2020, 19:49 Go to last post

  11. A new group for antenna RESEARCH on groups.io

    Started by drkirkby, 15th January 2020 23:10
    • Replies: 0
    • Views: 194
    drkirkby
    15th January 2020, 23:10 Go to last post

  12. 80m phase shift SSB transceiver, How does it detect USB/LSB?

    Started by neazoi, 15th January 2020 15:59
    • Replies: 1
    • Views: 193
    betwixt
    15th January 2020, 18:06 Go to last post

  13. Intermediate Frequency for I and Q components

    Started by prem ranjan, 15th January 2020 09:12
    • Replies: 1
    • Views: 217
    FvM
    15th January 2020, 12:02 Go to last post

  14. How do I connect / couple an oscillator to a bridge circuit

    Started by talikarng, 14th January 2020 06:27
    2 Attachment(s)
    • Replies: 1
    • Views: 195
    FvM
    14th January 2020, 11:15 Go to last post

  15. Multi-loop antenna selector

    Started by neazoi, 10th January 2020 23:26
    4 Attachment(s)
    • Replies: 13
    • Views: 799
    betwixt
    13th January 2020, 22:31 Go to last post

  16. H field measurements with waveguide twist

    Started by goroks, 13th January 2020 09:39
    • Replies: 0
    • Views: 152
    goroks
    13th January 2020, 09:39 Go to last post

  17. difficulty in matching off the shelf GPS antenna

    Started by arr_baobao, 11th January 2020 04:18
    2 Attachment(s)
    • Replies: 2
    • Views: 337
    vfone
    12th January 2020, 17:22 Go to last post

  18. Characteristic impedance of combination of CPWG and stripline on inner layers

    Started by simon.vdw, 10th January 2020 14:14
    2 Attachment(s)
    • Replies: 2
    • Views: 248
    volker@muehlhaus
    10th January 2020, 14:57 Go to last post

  19. Material Properties Extraction

    Started by swadesh07, 9th January 2020 23:26
    2 Attachment(s)
    • Replies: 0
    • Views: 158
    swadesh07
    9th January 2020, 23:26 Go to last post

  20. Spurious radiation and surface waves in MSP Antenna

    Started by huytergan, 8th January 2020 21:03
    • Replies: 0
    • Views: 183
    huytergan
    8th January 2020, 21:03 Go to last post

  21. Which Antenna for VHF/UHF ?

    Started by huytergan, 28th December 2019 22:31
    • Replies: 7
    • Views: 632
    Azulykit
    8th January 2020, 07:41 Go to last post

  22. Slotted Waveguide Antenna

    Started by chenfire, 11th December 2019 10:18
    1 Attachment(s)
    • Replies: 2
    • Views: 598
    Azulykit
    7th January 2020, 20:59 Go to last post

  23. Dual feed patch antenna with single connector

    Started by gayathrim, 18th October 2019 05:19
    3 Attachment(s)
    • Replies: 5
    • Views: 651
    Azulykit
    7th January 2020, 20:49 Go to last post

  24. 23 dBi gain patch panel antenna

    Started by gayathrim, 18th December 2019 09:43
    • Replies: 5
    • Views: 605
    Azulykit
    7th January 2020, 20:39 Go to last post

  25. Heterodyne detection, non-linear mixer and minimum detectable signal (2-way radar)

    Started by usx, 7th January 2020 00:04
    • Replies: 2
    • Views: 272
    usx
    7th January 2020, 16:32 Go to last post

  26. RF power amplifier design

    Started by OzcanDeniz, 3rd January 2020 12:44
    • Replies: 6
    • Views: 583
    ktr
    7th January 2020, 10:08 Go to last post

  27. Trio 9r-59d repair hints

    Started by neazoi, 6th January 2020 01:04
    1 Attachment(s)
    • Replies: 5
    • Views: 403
    neazoi
    6th January 2020, 14:43 Go to last post

  28. How to desing 2 way divider ?

    Started by EgemenM, 5th January 2020 12:12
    1 Attachment(s)
    • Replies: 11
    • Views: 629
    BigBoss
    6th January 2020, 14:41 Go to last post

  29. [SOLVED] Why few research on 140GHz band communication?

    Started by maxsidou, 6th January 2020 03:42
    1 Attachment(s)
    • Replies: 1
    • Views: 304
    vfone
    6th January 2020, 12:52 Go to last post

  30. The power of standing wave is higher than that of standing wave

    Started by rf2020, 4th January 2020 06:57
    1 Attachment(s)
    • Replies: 13
    • Views: 816
    ktr
    6th January 2020, 10:50 Go to last post
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