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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: 6,739
    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: 37,211
    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: 37,449
    james
    26th December 2002, 15:44 Go to last post

  1. Place TX/RX Antenna?

    Started by mehdu, 29th March 2020 08:42
    • Replies: 8
    • Views: 365
    mehdu
    Yesterday, 14:31 Go to last post

  2. Moved: I have the same for years but solved it has tricky but simple Solution:

    Started by ROYALFALCON, Yesterday 16:09
    •  
    •  

  3. Closed: problem: coupling coefficient for two hairpin resonators

    Started by FMM28, 6th August 2019 12:39
    15 Attachment(s)
    • Replies: 10
    • Views: 993
    ROYALFALCON
    Yesterday, 13:12 Go to last post

  4. make a mismatching circuit

    Started by Dummyeng, 25th February 2020 17:15
    5 Attachment(s)
    • Replies: 14
    • Views: 1,115
    Dummyeng
    3rd April 2020, 14:01 Go to last post

  5. Def-Stan 59-411 proble with MOVs don't dissipate energy

    Started by Winsu, 2nd April 2020 22:19
    • Replies: 1
    • Views: 173
    FvM
    2nd April 2020, 23:20 Go to last post

  6. How good is this omnidirectional radiation pattern?

    Started by huytergan, 2nd April 2020 12:53
    1 Attachment(s)
    • Replies: 0
    • Views: 210
    huytergan
    2nd April 2020, 12:53 Go to last post

  7. Antenna design with 'Air Substrate'

    Started by huytergan, 28th March 2020 18:25
    • Replies: 2
    • Views: 394
    Georgy.Moshkin
    2nd April 2020, 07:06 Go to last post

  8. Where to use this low gain and low profile Microstrip Patch Antenna?

    Started by huytergan, 1st April 2020 13:19
    • Replies: 2
    • Views: 212
    huytergan
    1st April 2020, 14:32 Go to last post

  9. Ferrite vs wire antenna for MW

    Started by Pjdd, 31st March 2020 11:29
    • Replies: 6
    • Views: 316
    BradtheRad
    1st April 2020, 07:10 Go to last post

  10. Bandstop Filters With Extended Upper Passbands

    Started by promach, 29th March 2020 10:57
    • Replies: 3
    • Views: 244
    FvM
    29th March 2020, 16:57 Go to last post

  11. Frequency tripler model in VerilogA

    Started by NikosTS, 24th March 2020 12:41
    • Replies: 1
    • Views: 321
    pancho_hideboo
    27th March 2020, 04:39 Go to last post

  12. Getting nonlinear model for JFET and GaAsHEMT transistor

    Started by narayani, 30th January 2020 10:37
    7 Attachment(s)
    • Replies: 9
    • Views: 915
    BigBoss
    26th March 2020, 13:25 Go to last post

  13. How to design RF mixer

    Started by klp, 24th March 2020 14:42
    • Replies: 3
    • Views: 430
    volker@muehlhaus
    25th March 2020, 08:02 Go to last post

  14. SMA-Microstrip transition removal for large-signal measurement of PA

    Started by ueckid, 21st March 2020 16:58
    2 Pages •
    1 2
    14 Attachment(s)
    • Replies: 26
    • Views: 1,340
    BigBoss
    24th March 2020, 20:18 Go to last post

  15. I need your comments diversity antenna distribution system for UHF broadband

    Started by coolpixs4, 24th March 2020 03:17
    2 Attachment(s)
    • Replies: 3
    • Views: 333
    volker@muehlhaus
    24th March 2020, 11:55 Go to last post

  16. Dear all experts, I need your help for Agilent ADS 2015 libraries

    Started by coolpixs4, 23rd March 2020 06:02
    1 Attachment(s)
    • Replies: 1
    • Views: 237
    volker@muehlhaus
    23rd March 2020, 09:44 Go to last post

  17. CreeÂ’s CGH40010F transistor

    Started by Mabrok, 22nd March 2020 14:40
    2 Attachment(s)
    • Replies: 1
    • Views: 116
    FvM
    23rd March 2020, 08:43 Go to last post

  18. can i connect 2 rf amplifiers to get higher amplification?

    Started by dl09, 13th March 2020 18:04
    • Replies: 13
    • Views: 888
    Ata_sa16
    21st March 2020, 20:32 Go to last post

  19. Efficiency of four fed patch antenna

    Started by slazen, 19th March 2020 18:18
    6 Attachment(s)
    • Replies: 4
    • Views: 465
    slazen
    21st March 2020, 15:28 Go to last post

  20. Yaesu FT-301 CW filter install

    Started by neazoi, 16th March 2020 20:54
    • Replies: 15
    • Views: 761
    betwixt
    20th March 2020, 00:43 Go to last post

  21. Input impedance of ideal passive mixer

    Started by ChetanGK, 18th March 2020 13:55
    6 Attachment(s)
    • Replies: 2
    • Views: 362
    ChetanGK
    19th March 2020, 10:35 Go to last post

  22. Comparison of two antenna polar plots

    Started by huytergan, 17th March 2020 13:21
    2 Attachment(s)
    • Replies: 8
    • Views: 592
    volker@muehlhaus
    18th March 2020, 21:10 Go to last post

  23. thought experiment to understand radio propagation.

    Started by dl09, 16th March 2020 23:04
    1 Attachment(s)
    • Replies: 13
    • Views: 723
    volker@muehlhaus
    18th March 2020, 12:15 Go to last post

  24. Gaussian beam excitation

    Started by ABHISHEK22061995, 17th March 2020 13:11
    • Replies: 0
    • Views: 157
    ABHISHEK22061995
    17th March 2020, 13:11 Go to last post

  25. HFSS stacked periodic boundary c conditions

    Started by kato01, 15th March 2020 14:19
    1 Attachment(s)
    • Replies: 0
    • Views: 205
    kato01
    15th March 2020, 14:19 Go to last post

  26. HFSS displays no stop a black message

    Started by kato01, 15th March 2020 13:36
    • Replies: 0
    • Views: 164
    kato01
    15th March 2020, 13:36 Go to last post

  27. [SOLVED] Error in creating symbol's layout (packaging) in ADS

    Started by ShiGa_, 14th March 2020 12:18
    4 Attachment(s)
    • Replies: 0
    • Views: 167
    ShiGa_
    14th March 2020, 12:18 Go to last post

  28. can you send video over hf?

    Started by dl09, 11th March 2020 01:54
    • Replies: 18
    • Views: 1,047
    vfone
    12th March 2020, 17:14 Go to last post

  29. Sub-6GHz 5G Receiver Structure!?

    Started by reza999, 3rd March 2020 09:41
    • Replies: 4
    • Views: 507
    vivekroy
    10th March 2020, 10:46 Go to last post

  30. How FM transmitter/radio works with crystal? What to read?

    Started by inklen, 9th March 2020 12:57
    • Replies: 4
    • Views: 492
    dick_freebird
    10th March 2020, 05:08 Go to last post
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