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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: 3,194
    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: 33,719
    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: 33,945
    james
    26th December 2002, 15:44 Go to last post

  1. What is the cutoff frequency of the capacitively loaded Transmission line

    Started by circuitking, Yesterday 13:40
    1 Attachment(s)
    • Replies: 7
    • Views: 105
    pancho_hideboo
    Today, 01:03 Go to last post

  2. Diagonalization of Impedance Matrix

    Started by pancho_hideboo, 10th October 2019 17:37
    • Replies: 7
    • Views: 671
    LMA
    Yesterday, 18:33 Go to last post

  3. Network analyzer calibration for RF test points

    Started by Anton89, Yesterday 11:26
    • Replies: 1
    • Views: 82
    FvM
    Yesterday, 16:50 Go to last post

  4. What is the effect of power match on S11 and S22 in a PA

    Started by circuitking, Yesterday 14:13
    • Replies: 1
    • Views: 86
    pancho_hideboo
    Yesterday, 15:21 Go to last post

  5. How to unballance this single balanced mixer?

    Started by neazoi, Yesterday 09:04
    1 Attachment(s)
    • Replies: 1
    • Views: 94
    neazoi
    Yesterday, 12:01 Go to last post

  6. GPS matching network confusion

    Started by pk2010, 21st October 2019 02:28
    3 Attachment(s)
    • Replies: 2
    • Views: 127
    cariban
    Yesterday, 08:32 Go to last post

  7. Understanding of noise figure

    Started by sqx, 20th October 2019 02:51
    1 Attachment(s)
    • Replies: 2
    • Views: 257
    cariban
    Yesterday, 08:06 Go to last post

  8. High frequency microstrip patch antenna design

    Started by anas171, Yesterday 02:48
    • Replies: 0
    • Views: 75
    anas171
    Yesterday, 02:48 Go to last post

  9. Doppler "radar" motion detector design

    Started by harvie, 30th August 2019 10:28
    1 Attachment(s)
    • Replies: 13
    • Views: 817
    harvie
    Yesterday, 02:06 Go to last post

  10. Loop Antenna Practical Considerations

    Started by dshoter13, 21st October 2019 22:45
    2 Attachment(s)
    • Replies: 0
    • Views: 105
    dshoter13
    21st October 2019, 22:45 Go to last post

  11. [SOLVED] Calculate Capacitance Value from Smith Chart

    Started by chiques, 15th October 2019 17:59
    2 Pages •
    1 2
    9 Attachment(s)
    • Replies: 24
    • Views: 1,114
    Easy peasy
    21st October 2019, 19:52 Go to last post

  12. How do I plot load pull contours using values from ADS plots (P1_Contours) in excel?

    Started by vinch05, 21st October 2019 16:34
    • Replies: 0
    • Views: 114
    vinch05
    21st October 2019, 16:34 Go to last post

  13. [SOLVED] NFC System with antenna which can provide from 1 A/m to 7.5 A/m signal strength

    Started by EltonBrasil, 21st October 2019 03:15
    • Replies: 3
    • Views: 221
    EltonBrasil
    21st October 2019, 15:20 Go to last post

  14. [SOLVED] Ingress in coaxial at FM frequency

    Started by toto1234, 21st October 2019 08:59
    • Replies: 2
    • Views: 144
    toto1234
    21st October 2019, 09:43 Go to last post

  15. 2.4Ghz Rectifier design by ADS

    Started by Nighty123, 20th October 2019 18:50
    2 Attachment(s)
    • Replies: 1
    • Views: 174
    vfone
    20th October 2019, 22:21 Go to last post

  16. Dual feed patch antenna with single connector

    Started by gayathrim, 18th October 2019 05:19
    3 Attachment(s)
    • Replies: 2
    • Views: 251
    sqx
    20th October 2019, 02:48 Go to last post

  17. How to find cutoff frequency of the circuits

    Started by circuitking, 18th October 2019 21:58
    2 Attachment(s)
    • Replies: 3
    • Views: 303
    vfone
    19th October 2019, 16:12 Go to last post

  18. 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: 2,184
    AmateurDIYAntenna
    18th October 2019, 23:35 Go to last post

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

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

  20. Square Antenna Array for THz communications

    Started by goroks, 18th October 2019 06:34
    • Replies: 0
    • Views: 115
    goroks
    18th October 2019, 06:34 Go to last post

  21. Help need for details of Satellite Receiver Block Diagram

    Started by Nitkr, 17th October 2019 12:56
    • Replies: 0
    • Views: 141
    Nitkr
    17th October 2019, 12:56 Go to last post

  22. microwave power combiner/divider

    Started by Satellitmph2, 16th September 2019 21:38
    • Replies: 14
    • Views: 869
    stark21
    16th October 2019, 21:50 Go to last post

  23. Slat vs. tile arrays

    Started by senmeis, 15th October 2019 16:02
    1 Attachment(s)
    • Replies: 0
    • Views: 118
    senmeis
    15th October 2019, 16:02 Go to last post

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

    Started by maxsidou, 15th October 2019 09:10
    • Replies: 1
    • Views: 165
    vfone
    15th October 2019, 15:12 Go to last post

  25. 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: 198
    BigBoss
    14th October 2019, 00:49 Go to last post

  26. how to get higher P1dB,in point

    Started by circuitking, 13th October 2019 14:24
    • Replies: 2
    • Views: 251
    BigBoss
    14th October 2019, 00:44 Go to last post

  27. Loadpull for Differential PA

    Started by circuitking, 25th September 2019 12:50
    2 Attachment(s)
    • Replies: 9
    • Views: 672
    vivekroy
    13th October 2019, 19:58 Go to last post

  28. question about Friis equation with very large antenna gain

    Started by sqx, 13th October 2019 17:40
    • Replies: 2
    • Views: 221
    vivekroy
    13th October 2019, 19:56 Go to last post

  29. Reference Book for Multiport Microwave Junction

    Started by Amir57, 11th October 2019 22:08
    • Replies: 0
    • Views: 310
    Amir57
    11th October 2019, 22:08 Go to last post

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

    Started by simbaliya, 9th October 2019 11:34
    • Replies: 3
    • Views: 484
    PlanarMetamaterials
    11th October 2019, 15:35 Go to last post
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