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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: 315
    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: 31,426
    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: 31,613
    james
    26th December 2002, 15:44 Go to last post

  1. Single tone signal generation at microwave frequency with best performance

    Started by meryem_eda, Today 07:36
    • Replies: 1
    • Views: 89
    G4BCH
    Today, 08:42 Go to last post

  2. ADS EM simulation error

    Started by pragash, 15th September 2018 09:33
    • Replies: 12
    • Views: 369
    volker@muehlhaus
    Yesterday, 12:41 Go to last post

  3. Hot to match HF loop antenna?

    Started by AndreyG, 16th September 2018 05:10
    1 Attachment(s)
    • Replies: 9
    • Views: 275
    FvM
    Yesterday, 06:53 Go to last post

  4. Faulty Location In Coaxial Cable

    Started by adnan012, 12th September 2018 07:53
    • Replies: 10
    • Views: 303
    adnan012
    Yesterday, 06:51 Go to last post

  5. Prevent frequency counter noise from affecting VFO signal

    Started by neazoi, 12th September 2018 09:41
    • Replies: 8
    • Views: 228
    neazoi
    16th September 2018, 10:54 Go to last post

  6. Moved: Help in tunable circuits

    Started by student14, 12th September 2018 08:14
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  7. [Help] Feed network layout for 8x8 dual polarized planar microstrip stacked antenna

    Started by kela3kela, 12th September 2018 22:08
    • Replies: 5
    • Views: 901
    kela3kela
    15th September 2018, 16:00 Go to last post

  8. Frequency counter modification for fewer chips

    Started by neazoi, 13th September 2018 22:46
    1 Attachment(s)
    • Replies: 7
    • Views: 288
    betwixt
    14th September 2018, 15:31 Go to last post

  9. I don't understand impedance matching of the RF circuit in the schematic

    Started by simbaliya, 11th September 2018 09:44
    3 Attachment(s)
    • Replies: 12
    • Views: 529
    cariban
    14th September 2018, 14:22 Go to last post

  10. Measuring the return loss of a transmitter

    Started by Zeppelin, 10th September 2018 09:34
    1 Attachment(s)
    • Replies: 13
    • Views: 412
    biff44
    13th September 2018, 14:05 Go to last post

  11. To design optical band pass interference filter

    Started by jegan25, 12th September 2018 21:11
    • Replies: 0
    • Views: 81
    jegan25
    12th September 2018, 21:11 Go to last post

  12. Switched harmonic test

    Started by 1869, 11th September 2018 03:03
    3 Attachment(s)
    • Replies: 2
    • Views: 211
    ktr
    12th September 2018, 15:10 Go to last post

  13. Issues with measuring return loss

    Started by Zeppelin, 10th September 2018 09:21
    1 Attachment(s)
    • Replies: 5
    • Views: 209
    ktr
    12th September 2018, 09:36 Go to last post

  14. Phase Shifter Design Tutorial

    Started by Puppet123, 10th September 2018 04:30
    1 Attachment(s)
    • Replies: 1
    • Views: 191
    vfone
    11th September 2018, 21:54 Go to last post

  15. [SOLVED] RF/Microwave Power Detector Design

    Started by ktr, 11th September 2018 13:07
    • Replies: 1
    • Views: 136
    BigBoss
    11th September 2018, 13:48 Go to last post

  16. Moved: Switched Harmonic Test - new

    Started by 1869, 11th September 2018 06:57
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    •  

  17. Transmission zero in ADS

    Started by laperla, 10th September 2018 20:17
    1 Attachment(s)
    • Replies: 0
    • Views: 144
    laperla
    10th September 2018, 20:17 Go to last post

  18. http://www.odyseus.nildram.co.uk

    Started by Puppet123, 9th September 2018 23:20
    • Replies: 0
    • Views: 143
    Puppet123
    10th September 2018, 00:17 Go to last post

  19. Patch Efficiency and Substrate Thickness

    Started by dshoter13, 6th September 2018 23:35
    • Replies: 3
    • Views: 234
    volker@muehlhaus
    9th September 2018, 13:57 Go to last post

  20. Different results in hfss feko and cst

    Started by susanne0s, 9th September 2018 07:05
    1 Attachment(s)
    • Replies: 3
    • Views: 194
    volker@muehlhaus
    9th September 2018, 11:06 Go to last post

  21. How to plot Magnetic Current in HFSS and ADS?

    Started by rijubrata, 8th September 2018 19:27
    • Replies: 0
    • Views: 95
    rijubrata
    8th September 2018, 19:27 Go to last post

  22. Measurement result format and its relation to calibration matrix math

    Started by Hawaslsh, 7th September 2018 17:10
    1 Attachment(s)
    • Replies: 0
    • Views: 146
    Hawaslsh
    7th September 2018, 17:10 Go to last post

  23. PIN diode having similar attributes to SRD in 130nm GF for frequency multipliers

    Started by Samraz, 2nd August 2018 20:12
    1 Attachment(s)
    • Replies: 3
    • Views: 318
    biff44
    5th September 2018, 23:54 Go to last post

  24. ADS Edit Component Artwork

    Started by SDRookie, 5th September 2018 17:13
    • Replies: 0
    • Views: 100
    SDRookie
    5th September 2018, 17:13 Go to last post

  25. [SOLVED] Component Selection in a 4Ghz System

    Started by ktr, 5th September 2018 10:21
    • Replies: 4
    • Views: 201
    ktr
    5th September 2018, 12:52 Go to last post

  26. In which direction we need to go and read the reflection coefficient angles.

    Started by pusparaga, 3rd September 2018 15:01
    3 Attachment(s)
    • Replies: 3
    • Views: 216
    pancho_hideboo
    4th September 2018, 12:20 Go to last post

  27. Inset feed micropatvh antenna

    Started by mrunaal, 4th September 2018 06:23
    1 Attachment(s)
    • Replies: 2
    • Views: 219
    volker@muehlhaus
    4th September 2018, 12:09 Go to last post

  28. What is the difference between characteristic impedance and normal impedance?

    Started by pusparaga, 3rd September 2018 15:39
    • Replies: 2
    • Views: 219
    albbg
    3rd September 2018, 22:39 Go to last post

  29. Balun using two Lange Couplers

    Started by pancho_hideboo, 3rd September 2018 11:01
    • Replies: 5
    • Views: 247
    BigBoss
    3rd September 2018, 16:15 Go to last post

  30. Low flicker phase noise diodes and amplifier

    Started by afaik86, 31st August 2018 15:02
    3 Attachment(s)
    • Replies: 2
    • Views: 218
    afaik86
    2nd September 2018, 18:33 Go to last post
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