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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: 5,249
    16th May 2018, 16:43 Go to last post
    • Replies: 0
    • Views: 36,312
    9th May 2007, 08:28 Go to last post
  2. Sticky Thread Sticky: LEGALS/UNLEGALS FILES----NEW RULES

    Started by james, 26th December 2002 15:44
    • Replies: 0
    • Views: 36,576
    26th December 2002, 15:44 Go to last post
  1. "Current adds up in phase"

    Started by huytergan, Yesterday 16:56
    • Replies: 2
    • Views: 161
    Today, 01:43 Go to last post
  2. Loose Coupling for a coaxial resonator

    Started by chiques, 16th January 2020 03:21
    • Replies: 3
    • Views: 298
    18th January 2020, 11:49 Go to last post
  3. HFSS Cosimulation using floquet port

    Started by swadesh07, 17th January 2020 19:49
    • Replies: 0
    • Views: 72
    17th January 2020, 19:49 Go to last post
    • Replies: 3
    • Views: 283
    17th January 2020, 08:42 Go to last post
  4. A new group for antenna RESEARCH on groups.io

    Started by drkirkby, 15th January 2020 23:10
    • Replies: 0
    • Views: 170
    15th January 2020, 23:10 Go to last post
  5. [SOLVED] Star topology chipset for long range (high power) comms

    Started by ArticCynda, 9th January 2020 17:13
    • Replies: 1
    • Views: 283
    15th January 2020, 21:44 Go to last post
    • Replies: 1
    • Views: 175
    15th January 2020, 18:06 Go to last post
  6. Intermediate Frequency for I and Q components

    Started by prem ranjan, 15th January 2020 09:12
    • Replies: 1
    • Views: 202
    15th January 2020, 12:02 Go to last post
  7. Antenna Setup in different configuration

    Started by swadesh07, 9th January 2020 23:29
    • Replies: 7
    • Views: 548
    14th January 2020, 18:47 Go to last post
    • Replies: 1
    • Views: 183
    14th January 2020, 11:15 Go to last post
  8. Multi-loop antenna selector

    Started by neazoi, 10th January 2020 23:26
    • Replies: 13
    • Views: 755
    13th January 2020, 22:31 Go to last post
  9. H field measurements with waveguide twist

    Started by goroks, 13th January 2020 09:39
    • Replies: 0
    • Views: 141
    13th January 2020, 09:39 Go to last post
  10. difficulty in matching off the shelf GPS antenna

    Started by arr_baobao, 11th January 2020 04:18
    • Replies: 2
    • Views: 321
    12th January 2020, 17:22 Go to last post
  11. Material Properties Extraction

    Started by swadesh07, 9th January 2020 23:26
    • Replies: 0
    • Views: 143
    9th January 2020, 23:26 Go to last post
  12. Spurious radiation and surface waves in MSP Antenna

    Started by huytergan, 8th January 2020 21:03
    • Replies: 0
    • Views: 176
    8th January 2020, 21:03 Go to last post
  13. Which Antenna for VHF/UHF ?

    Started by huytergan, 28th December 2019 22:31
    • Replies: 7
    • Views: 616
    8th January 2020, 07:41 Go to last post
  14. Slotted Waveguide Antenna

    Started by chenfire, 11th December 2019 10:18
    • Replies: 2
    • Views: 590
    7th January 2020, 20:59 Go to last post
  15. Dual feed patch antenna with single connector

    Started by gayathrim, 18th October 2019 05:19
    • Replies: 5
    • Views: 641
    7th January 2020, 20:49 Go to last post
  16. 23 dBi gain patch panel antenna

    Started by gayathrim, 18th December 2019 09:43
    • Replies: 5
    • Views: 591
    7th January 2020, 20:39 Go to last post
    • Replies: 2
    • Views: 264
    7th January 2020, 16:32 Go to last post
  17. RF power amplifier design

    Started by OzcanDeniz, 3rd January 2020 12:44
    • Replies: 6
    • Views: 574
    7th January 2020, 10:08 Go to last post
  18. Trio 9r-59d repair hints

    Started by neazoi, 6th January 2020 01:04
    • Replies: 5
    • Views: 394
    6th January 2020, 14:43 Go to last post
  19. How to desing 2 way divider ?

    Started by EgemenM, 5th January 2020 12:12
    • Replies: 11
    • Views: 614
    6th January 2020, 14:41 Go to last post
  20. [SOLVED] Why few research on 140GHz band communication?

    Started by maxsidou, 6th January 2020 03:42
    • Replies: 1
    • Views: 288
    6th January 2020, 12:52 Go to last post
    • Replies: 13
    • Views: 801
    6th January 2020, 10:50 Go to last post
    • Replies: 2
    • Views: 366
    3rd January 2020, 12:21 Go to last post
  21. [SOLVED] Questions about PA simulation in ADS

    Started by maxsidou, 26th December 2019 09:28
    • Replies: 6
    • Views: 617
    2nd January 2020, 12:31 Go to last post
  22. Question about Beam forming and MIMO

    Started by sqx, 31st December 2019 11:29
    • Replies: 0
    • Views: 263
    31st December 2019, 11:29 Go to last post
  23. Suggestions for RF meter for reading WiFi signals

    Started by Saket21, 20th December 2019 14:09
    • Replies: 4
    • Views: 572
    31st December 2019, 09:31 Go to last post