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Threads 1 to 30 of 33403

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: 3,205
    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: 33,728
    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: 33,958
    james
    26th December 2002, 15:44 Go to last post

  1. Dual frequency matching

    Started by Twave03, Today 19:50
    • Replies: 1
    • Views: 35
    vfone
    Today, 20:48 Go to last post

  2. Help need for details of Satellite Receiver Block Diagram

    Started by Nitkr, 17th October 2019 12:56
    • Replies: 1
    • Views: 169
    narayani
    Today, 15:40 Go to last post

  3. How can we measure magnetic field strength generated by an antenna?

    Started by EltonBrasil, Today 14:56
    • Replies: 0
    • Views: 54
    EltonBrasil
    Today, 14:56 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
    1 Attachment(s)
    • Replies: 2
    • Views: 154
    cariban
    Today, 10:10 Go to last post

  5. Diagonalization of Impedance Matrix

    Started by pancho_hideboo, 10th October 2019 17:37
    • Replies: 8
    • Views: 751
    pancho_hideboo
    Today, 02:33 Go to last post

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

    Started by circuitking, Yesterday 13:40
    1 Attachment(s)
    • Replies: 7
    • Views: 174
    pancho_hideboo
    Today, 01:03 Go to last post

  7. Network analyzer calibration for RF test points

    Started by Anton89, Yesterday 11:26
    • Replies: 1
    • Views: 116
    FvM
    Yesterday, 16:50 Go to last post

  8. How to unballance this single balanced mixer?

    Started by neazoi, Yesterday 09:04
    1 Attachment(s)
    • Replies: 1
    • Views: 117
    neazoi
    Yesterday, 12:01 Go to last post

  9. GPS matching network confusion

    Started by pk2010, 21st October 2019 02:28
    3 Attachment(s)
    • Replies: 2
    • Views: 143
    cariban
    Yesterday, 08:32 Go to last post

  10. Understanding of noise figure

    Started by sqx, 20th October 2019 02:51
    1 Attachment(s)
    • Replies: 2
    • Views: 268
    cariban
    Yesterday, 08:06 Go to last post

  11. High frequency microstrip patch antenna design

    Started by anas171, Yesterday 02:48
    • Replies: 0
    • Views: 98
    anas171
    Yesterday, 02:48 Go to last post

  12. Doppler "radar" motion detector design

    Started by harvie, 30th August 2019 10:28
    1 Attachment(s)
    • Replies: 13
    • Views: 843
    harvie
    Yesterday, 02:06 Go to last post

  13. Loop Antenna Practical Considerations

    Started by dshoter13, 21st October 2019 22:45
    2 Attachment(s)
    • Replies: 0
    • Views: 119
    dshoter13
    21st October 2019, 22:45 Go to last post

  14. [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: 1,165
    Easy peasy
    21st October 2019, 19:52 Go to last post

  15. 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: 121
    vinch05
    21st October 2019, 16:34 Go to last post

  16. [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: 227
    EltonBrasil
    21st October 2019, 15:20 Go to last post

  17. [SOLVED] Ingress in coaxial at FM frequency

    Started by toto1234, 21st October 2019 08:59
    • Replies: 2
    • Views: 149
    toto1234
    21st October 2019, 09:43 Go to last post

  18. 2.4Ghz Rectifier design by ADS

    Started by Nighty123, 20th October 2019 18:50
    2 Attachment(s)
    • Replies: 1
    • Views: 186
    vfone
    20th October 2019, 22:21 Go to last post

  19. Dual feed patch antenna with single connector

    Started by gayathrim, 18th October 2019 05:19
    3 Attachment(s)
    • Replies: 2
    • Views: 258
    sqx
    20th October 2019, 02:48 Go to last post

  20. How to find cutoff frequency of the circuits

    Started by circuitking, 18th October 2019 21:58
    2 Attachment(s)
    • Replies: 3
    • Views: 314
    vfone
    19th October 2019, 16:12 Go to last post

  21. 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: 2,193
    AmateurDIYAntenna
    18th October 2019, 23:35 Go to last post

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

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

  23. Square Antenna Array for THz communications

    Started by goroks, 18th October 2019 06:34
    • Replies: 0
    • Views: 120
    goroks
    18th October 2019, 06:34 Go to last post

  24. microwave power combiner/divider

    Started by Satellitmph2, 16th September 2019 21:38
    • Replies: 14
    • Views: 872
    stark21
    16th October 2019, 21:50 Go to last post

  25. Slat vs. tile arrays

    Started by senmeis, 15th October 2019 16:02
    1 Attachment(s)
    • Replies: 0
    • Views: 120
    senmeis
    15th October 2019, 16:02 Go to last post

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

    Started by maxsidou, 15th October 2019 09:10
    • Replies: 1
    • Views: 167
    vfone
    15th October 2019, 15:12 Go to last post

  27. 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: 200
    BigBoss
    14th October 2019, 00:49 Go to last post

  28. how to get higher P1dB,in point

    Started by circuitking, 13th October 2019 14:24
    • Replies: 2
    • Views: 255
    BigBoss
    14th October 2019, 00:44 Go to last post

  29. Loadpull for Differential PA

    Started by circuitking, 25th September 2019 12:50
    2 Attachment(s)
    • Replies: 9
    • Views: 682
    vivekroy
    13th October 2019, 19:58 Go to last post

  30. question about Friis equation with very large antenna gain

    Started by sqx, 13th October 2019 17:40
    • Replies: 2
    • Views: 225
    vivekroy
    13th October 2019, 19:56 Go to last post
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