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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: 266
    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: 31,364
    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: 31,570
    james
    26th December 2002, 15:44 Go to last post

  1. Max bandwidth [bps] vs frecuency spectrum [z]

    Started by julian403, 20th August 2018 14:44
    • Replies: 3
    • Views: 163
    volker@muehlhaus
    Yesterday, 16:00 Go to last post

  2. 180° hybrid phase balance

    Started by Antenna94, Yesterday 00:06
    • Replies: 0
    • Views: 85
    Antenna94
    Yesterday, 00:06 Go to last post

  3. Recommendation of Multimode fibre optics cable with wavelength 100nm to 5000nm

    Started by prakashvenugopal, 6th August 2018 07:56
    • Replies: 18
    • Views: 480
    FvM
    20th August 2018, 12:20 Go to last post

  4. LPDA design in HFSS problem

    Started by jwizard, 20th August 2018 12:05
    • Replies: 0
    • Views: 61
    jwizard
    20th August 2018, 12:05 Go to last post

  5. Help needed! - Design of class-C RF PA using ADS

    Started by W.Dabbas, 18th August 2018 15:23
    7 Attachment(s)
    • Replies: 6
    • Views: 298
    BradtheRad
    20th August 2018, 05:52 Go to last post

  6. Driver circuit HMC547ALP3E GaAs MMIC SPDT NON-REFLECTIVE SWITCH, DC - 20 GHz

    Started by asimov_18, 15th August 2018 14:49
    2 Attachment(s)
    • Replies: 2
    • Views: 158
    FvM
    19th August 2018, 10:40 Go to last post

  7. Marchand Balun design for double balanced diode mixer

    Started by yves1234, 28th June 2018 00:47
    1 Attachment(s)
    • Replies: 8
    • Views: 567
    12Komi12
    19th August 2018, 08:29 Go to last post

  8. Semi-rigid vs flexible cable for antenna feed

    Started by jesuschrist, 17th August 2018 11:17
    • Replies: 4
    • Views: 244
    Azulykit
    17th August 2018, 21:53 Go to last post

  9. Pin diode in reconfigurable antennas

    Started by S_B, 8th August 2018 06:07
    • Replies: 5
    • Views: 275
    biff44
    17th August 2018, 19:56 Go to last post

  10. RF duplexer and two bandpass filter

    Started by yuyee, 15th August 2018 07:37
    1 Attachment(s)
    • Replies: 16
    • Views: 439
    biff44
    17th August 2018, 19:46 Go to last post

  11. Strange HFSS impedance smith chart

    Started by zhangxs_08, 14th August 2018 15:33
    1 Attachment(s)
    • Replies: 8
    • Views: 329
    zhangxs_08
    16th August 2018, 11:34 Go to last post

  12. How would I model an RF Input Source in HSPICE?

    Started by robertbagundol, 13th August 2018 05:32
    • Replies: 6
    • Views: 274
    BradtheRad
    14th August 2018, 06:07 Go to last post

  13. Slot length and Width

    Started by S_B, 13th August 2018 19:31
    • Replies: 0
    • Views: 151
    S_B
    13th August 2018, 19:31 Go to last post

  14. Coax Balun Hfss and Genesys

    Started by lprocha, 10th August 2018 21:03
    6 Attachment(s)
    • Replies: 11
    • Views: 478
    FvM
    13th August 2018, 14:40 Go to last post

  15. What are the pros and cons of a multi-band PA if compared to a wide-band PA?

    Started by Fávero Santos, 9th August 2018 00:37
    • Replies: 5
    • Views: 344
    ktr
    13th August 2018, 08:26 Go to last post

  16. Moved: RF Energy Harvesting

    Started by robertbagundol, 13th August 2018 07:24
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  17. How to bias a pHEMT (CS) for LNA application?

    Started by skatefast08, 11th August 2018 23:07
    1 Attachment(s)
    • Replies: 7
    • Views: 313
    BigBoss
    12th August 2018, 20:45 Go to last post

  18. Low noise amplifier design

    Started by APPUARPITA, 20th March 2018 15:00
    • Replies: 6
    • Views: 497
    BigBoss
    12th August 2018, 20:37 Go to last post

  19. Transmitter antenna for a particular frequency

    Started by mickey123, 12th July 2018 14:56
    • Replies: 12
    • Views: 603
    BradtheRad
    11th August 2018, 03:27 Go to last post

  20. Measuring electrical field and magnetic field of an antenna with digital magnetometer

    Started by kahlenberg, 10th August 2018 16:06
    • Replies: 2
    • Views: 192
    FvM
    10th August 2018, 17:08 Go to last post

  21. Physical size of antenna in terms of guided wavelength

    Started by srmishra3487, 6th August 2018 13:14
    • Replies: 1
    • Views: 171
    S_B
    9th August 2018, 12:17 Go to last post

  22. HFSS Waveguide to Coax Transition

    Started by ymankeekar, 8th August 2018 15:12
    8 Attachment(s)
    • Replies: 3
    • Views: 209
    ymankeekar
    8th August 2018, 16:48 Go to last post

  23. impedance matching trade off

    Started by shanmei, 1st March 2018 16:53
    1 Attachment(s)
    • Replies: 5
    • Views: 727
    cariban
    8th August 2018, 08:59 Go to last post

  24. Monopole antenna is single ended or two terminal?

    Started by simbaliya, 7th August 2018 11:26
    2 Attachment(s)
    • Replies: 8
    • Views: 244
    volker@muehlhaus
    8th August 2018, 07:50 Go to last post

  25. ASITIC Balun/Transformer Creation

    Started by Puppet123, 8th August 2018 00:28
    • Replies: 0
    • Views: 100
    Puppet123
    8th August 2018, 00:28 Go to last post

  26. Coplaner waveguide PCB design for input matching

    Started by W.Dabbas, 4th August 2018 11:48
    7 Attachment(s)
    • Replies: 7
    • Views: 397
    FvM
    7th August 2018, 22:23 Go to last post

  27. How to calculate the overall phase noise for a clock (frequency) network?

    Started by chilchil, 7th August 2018 16:12
    • Replies: 2
    • Views: 116
    chilchil
    7th August 2018, 17:54 Go to last post

  28. Delayed AGC implementaion and Noise figure measurement of Receiver with AGC

    Started by akrcal, 6th August 2018 10:53
    • Replies: 3
    • Views: 154
    G4BCH
    7th August 2018, 14:31 Go to last post

  29. Using DC Block/Feed in ADS Schematic

    Started by 8_Bit_Apple, 6th August 2018 19:13
    • Replies: 4
    • Views: 190
    8_Bit_Apple
    7th August 2018, 14:17 Go to last post

  30. How much of this has been incorporated into modern RF practices?

    Started by Zak28, 7th August 2018 08:40
    • Replies: 0
    • Views: 115
    Zak28
    7th August 2018, 08:40 Go to last post
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