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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: 3,152
    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: 33,678
    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: 33,903
    james
    26th December 2002, 15:44 Go to last post

  1. GPS matching network confusion

    Started by pk2010, Today 02:28
    3 Attachment(s)
    • Replies: 1
    • Views: 11
    BigBoss
    Today, 05:32 Go to last post

  2. NFC System with antenna which can provide from 1 A/m to 7.5 A/m signal strength

    Started by EltonBrasil, Today 03:15
    • Replies: 0
    • Views: 35
    EltonBrasil
    Today, 03:15 Go to last post

  3. 2.4Ghz Rectifier design by ADS

    Started by Nighty123, Yesterday 18:50
    2 Attachment(s)
    • Replies: 1
    • Views: 114
    vfone
    Yesterday, 22:21 Go to last post

  4. Understanding of noise figure

    Started by sqx, Yesterday 02:51
    1 Attachment(s)
    • Replies: 1
    • Views: 177
    vfone
    Yesterday, 16:53 Go to last post

  5. Diagonalization of Impedance Matrix

    Started by pancho_hideboo, 10th October 2019 17:37
    • Replies: 6
    • Views: 564
    pancho_hideboo
    Yesterday, 06:34 Go to last post

  6. Dual feed patch antenna with single connector

    Started by gayathrim, 18th October 2019 05:19
    3 Attachment(s)
    • Replies: 2
    • Views: 223
    sqx
    Yesterday, 02:48 Go to last post

  7. How to find cutoff frequency of the circuits

    Started by circuitking, 18th October 2019 21:58
    2 Attachment(s)
    • Replies: 3
    • Views: 253
    vfone
    19th October 2019, 16:12 Go to last post

  8. [SOLVED] Calculate Capacitance Value from Smith Chart

    Started by chiques, 15th October 2019 17:59
    2 Pages •
    1 2
    8 Attachment(s)
    • Replies: 20
    • Views: 836
    volker@muehlhaus
    19th October 2019, 08:56 Go to last post

  9. Simple dipole compared to a folded dipole in a 2.4 GHz Wifi Yagi Antenna

    Started by AmateurDIYAntenna, 16th August 2019 06:21
    2 Pages •
    1 2
    20 Attachment(s)
    • Replies: 30
    • Views: 2,083
    AmateurDIYAntenna
    18th October 2019, 23:35 Go to last post

  10. Moved: [SOLVED] Converting Real+Imaginary to Z from Smith Chart

    Started by chiques, 18th October 2019 21:34
    •  
    •  

  11. Square Antenna Array for THz communications

    Started by goroks, 18th October 2019 06:34
    • Replies: 0
    • Views: 99
    goroks
    18th October 2019, 06:34 Go to last post

  12. Help need for details of Satellite Receiver Block Diagram

    Started by Nitkr, 17th October 2019 12:56
    • Replies: 0
    • Views: 121
    Nitkr
    17th October 2019, 12:56 Go to last post

  13. microwave power combiner/divider

    Started by Satellitmph2, 16th September 2019 21:38
    • Replies: 14
    • Views: 795
    stark21
    16th October 2019, 21:50 Go to last post

  14. Slat vs. tile arrays

    Started by senmeis, 15th October 2019 16:02
    1 Attachment(s)
    • Replies: 0
    • Views: 105
    senmeis
    15th October 2019, 16:02 Go to last post

  15. [SOLVED] Ways to analyze the harmonic distortions after mixing

    Started by maxsidou, 15th October 2019 09:10
    • Replies: 1
    • Views: 147
    vfone
    15th October 2019, 15:12 Go to last post

  16. When to connect RF Bypass capacitor, and a Resistor in place of RF choke?

    Started by circuitking, 13th October 2019 18:42
    1 Attachment(s)
    • Replies: 1
    • Views: 175
    BigBoss
    14th October 2019, 00:49 Go to last post

  17. how to get higher P1dB,in point

    Started by circuitking, 13th October 2019 14:24
    • Replies: 2
    • Views: 216
    BigBoss
    14th October 2019, 00:44 Go to last post

  18. Loadpull for Differential PA

    Started by circuitking, 25th September 2019 12:50
    2 Attachment(s)
    • Replies: 9
    • Views: 601
    vivekroy
    13th October 2019, 19:58 Go to last post

  19. question about Friis equation with very large antenna gain

    Started by sqx, 13th October 2019 17:40
    • Replies: 2
    • Views: 195
    vivekroy
    13th October 2019, 19:56 Go to last post

  20. Reference Book for Multiport Microwave Junction

    Started by Amir57, 11th October 2019 22:08
    • Replies: 0
    • Views: 296
    Amir57
    11th October 2019, 22:08 Go to last post

  21. Regarding RF PCB layout design in my company product, some questions

    Started by simbaliya, 9th October 2019 11:34
    • Replies: 3
    • Views: 446
    PlanarMetamaterials
    11th October 2019, 15:35 Go to last post

  22. Microstrip line and ground on same layer

    Started by WengCheng, 5th October 2019 15:19
    1 Attachment(s)
    • Replies: 14
    • Views: 696
    PlanarMetamaterials
    11th October 2019, 15:27 Go to last post

  23. HFSS surface mesh deformed error

    Started by gayathrim, 11th October 2019 14:05
    • Replies: 0
    • Views: 123
    gayathrim
    11th October 2019, 14:05 Go to last post

  24. Regarding 5G antenna types & design guideline if any!

    Started by Abhishekabs, 11th October 2019 09:06
    • Replies: 0
    • Views: 136
    Abhishekabs
    11th October 2019, 09:06 Go to last post

  25. Measuring phase shift

    Started by Zorah_Ahmad, 1st October 2019 20:29
    • Replies: 1
    • Views: 211
    biff44
    10th October 2019, 12:11 Go to last post

  26. ERROR 21: The metallic edge for the excitation does not exist (error in CADFEKO)

    Started by nikosnte, 6th October 2019 19:55
    4 Attachment(s)
    • Replies: 0
    • Views: 224
    nikosnte
    6th October 2019, 19:55 Go to last post

  27. How the stability analysis in analog and RF design related?

    Started by circuitking, 5th October 2019 23:58
    • Replies: 3
    • Views: 319
    BigBoss
    6th October 2019, 11:00 Go to last post

  28. Question about PC3.5mm and SMA connectors

    Started by moro, 2nd October 2019 06:57
    • Replies: 3
    • Views: 323
    vfone
    4th October 2019, 21:26 Go to last post

  29. Question about RF power meter

    Started by 000SHREDDER000, 1st October 2019 23:12
    • Replies: 13
    • Views: 825
    pancho_hideboo
    3rd October 2019, 04:12 Go to last post

  30. RF Energy Harvesting Power Source

    Started by yomaii, 27th September 2019 10:58
    1 Attachment(s)
    • Replies: 9
    • Views: 666
    FvM
    2nd October 2019, 22:15 Go to last post
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