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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: 6,754
    16th May 2018, 16:43 Go to last post
    • Replies: 0
    • Views: 37,229
    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: 37,465
    26th December 2002, 15:44 Go to last post
  1. Place TX/RX Antenna?

    Started by mehdu, 29th March 2020 08:42
    • Replies: 9
    • Views: 471
    Yesterday, 08:31 Go to last post
  2. What kind of antenna is this from Iphone

    Started by huytergan, 5th April 2020 19:31
    • Replies: 1
    • Views: 158
    5th April 2020, 22:12 Go to last post
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  3. Closed: problem: coupling coefficient for two hairpin resonators

    Started by FMM28, 6th August 2019 12:39
    • Replies: 10
    • Views: 1,047
    4th April 2020, 13:12 Go to last post
  4. make a mismatching circuit

    Started by Dummyeng, 25th February 2020 17:15
    • Replies: 14
    • Views: 1,160
    3rd April 2020, 14:01 Go to last post
    • Replies: 1
    • Views: 201
    2nd April 2020, 23:20 Go to last post
    • Replies: 0
    • Views: 229
    2nd April 2020, 12:53 Go to last post
  5. Antenna design with 'Air Substrate'

    Started by huytergan, 28th March 2020 18:25
    • Replies: 2
    • Views: 416
    2nd April 2020, 07:06 Go to last post
    • Replies: 2
    • Views: 231
    1st April 2020, 14:32 Go to last post
  6. Ferrite vs wire antenna for MW

    Started by Pjdd, 31st March 2020 11:29
    • Replies: 6
    • Views: 357
    1st April 2020, 07:10 Go to last post
  7. Bandstop Filters With Extended Upper Passbands

    Started by promach, 29th March 2020 10:57
    • Replies: 3
    • Views: 267
    29th March 2020, 16:57 Go to last post
  8. Frequency tripler model in VerilogA

    Started by NikosTS, 24th March 2020 12:41
    • Replies: 1
    • Views: 333
    27th March 2020, 04:39 Go to last post
    • Replies: 9
    • Views: 946
    26th March 2020, 13:25 Go to last post
  9. How to design RF mixer

    Started by klp, 24th March 2020 14:42
    • Replies: 3
    • Views: 446
    25th March 2020, 08:02 Go to last post
  10. SMA-Microstrip transition removal for large-signal measurement of PA

    Started by ueckid, 21st March 2020 16:58
    2 Pages
    1 2
    • Replies: 26
    • Views: 1,373
    24th March 2020, 20:18 Go to last post
  11. Cree’s CGH40010F transistor

    Started by Mabrok, 22nd March 2020 14:40
    • Replies: 1
    • Views: 123
    23rd March 2020, 08:43 Go to last post
    • Replies: 13
    • Views: 928
    21st March 2020, 20:32 Go to last post
  12. Efficiency of four fed patch antenna

    Started by slazen, 19th March 2020 18:18
    • Replies: 4
    • Views: 488
    21st March 2020, 15:28 Go to last post
  13. Yaesu FT-301 CW filter install

    Started by neazoi, 16th March 2020 20:54
    • Replies: 15
    • Views: 815
    20th March 2020, 00:43 Go to last post
  14. Input impedance of ideal passive mixer

    Started by ChetanGK, 18th March 2020 13:55
    • Replies: 2
    • Views: 373
    19th March 2020, 10:35 Go to last post
  15. Comparison of two antenna polar plots

    Started by huytergan, 17th March 2020 13:21
    • Replies: 8
    • Views: 620
    18th March 2020, 21:10 Go to last post
  16. thought experiment to understand radio propagation.

    Started by dl09, 16th March 2020 23:04
    • Replies: 13
    • Views: 762
    18th March 2020, 12:15 Go to last post
  17. Gaussian beam excitation

    Started by ABHISHEK22061995, 17th March 2020 13:11
    • Replies: 0
    • Views: 165
    17th March 2020, 13:11 Go to last post
  18. HFSS stacked periodic boundary c conditions

    Started by kato01, 15th March 2020 14:19
    • Replies: 0
    • Views: 211
    15th March 2020, 14:19 Go to last post
  19. HFSS displays no stop a black message

    Started by kato01, 15th March 2020 13:36
    • Replies: 0
    • Views: 173
    15th March 2020, 13:36 Go to last post
  20. [SOLVED] Error in creating symbol's layout (packaging) in ADS

    Started by ShiGa_, 14th March 2020 12:18
    • Replies: 0
    • Views: 172
    14th March 2020, 12:18 Go to last post
  21. can you send video over hf?

    Started by dl09, 11th March 2020 01:54
    • Replies: 18
    • Views: 1,096
    12th March 2020, 17:14 Go to last post
  22. Sub-6GHz 5G Receiver Structure!?

    Started by reza999, 3rd March 2020 09:41
    • Replies: 4
    • Views: 521
    10th March 2020, 10:46 Go to last post