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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: 898
    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: 32,017
    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: 32,210
    james
    26th December 2002, 15:44 Go to last post

  1. multi-stage lna matching

    Started by SDRookie, Today 04:44
    • Replies: 2
    • Views: 90
    frankrose
    Today, 12:54 Go to last post

  2. Smith chart of λ/4 Transmission Line

    Started by promach, 19th March 2019 05:55
    • Replies: 7
    • Views: 205
    promach
    Today, 11:32 Go to last post

  3. Is this circuit Band Pass filter ?

    Started by noor84, Today 10:15
    1 Attachment(s)
    • Replies: 0
    • Views: 65
    noor84
    Today, 10:15 Go to last post

  4. LC VCO poor phase noise @1MHz

    Started by rty94, Yesterday 21:42
    • Replies: 3
    • Views: 105
    volker@muehlhaus
    Today, 08:40 Go to last post

  5. power amplifier design input impedance

    Started by akhilpaulv, 6th March 2019 10:50
    13 Attachment(s)
    • Replies: 16
    • Views: 575
    mtwieg
    Today, 02:28 Go to last post

  6. need 7pF to 10pF at 2.5GHz

    Started by pragash, 8th March 2019 12:35
    3 Pages •
    1 2 3
    16 Attachment(s)
    • Replies: 41
    • Views: 1,215
    ktr
    Yesterday, 15:58 Go to last post

  7. RF Limiter not working as it should

    Started by syedhamzahasan, 19th March 2019 14:47
    3 Attachment(s)
    • Replies: 3
    • Views: 100
    albbg
    Yesterday, 13:07 Go to last post

  8. How to simulate CMOS switche capacitor for converter (DC -DC ) in ADS

    Started by So.nia, Yesterday 11:18
    • Replies: 0
    • Views: 60
    So.nia
    Yesterday, 11:18 Go to last post

  9. CML buffer advantages for VCO

    Started by rty94, 19th March 2019 22:05
    • Replies: 2
    • Views: 149
    dick_freebird
    Yesterday, 03:52 Go to last post

  10. Question about transistor on MMIC

    Started by sqx, 19th March 2019 04:22
    2 Attachment(s)
    • Replies: 3
    • Views: 102
    BigBoss
    19th March 2019, 07:23 Go to last post

  11. Dual band variable gain amplifier

    Started by Johannah, 14th March 2019 09:04
    • Replies: 2
    • Views: 159
    Johannah
    19th March 2019, 04:26 Go to last post

  12. Transmission line question and a CPW to microstripp transition question

    Started by Hawaslsh, 18th March 2019 20:46
    3 Attachment(s)
    • Replies: 3
    • Views: 82
    Georgy.Moshkin
    19th March 2019, 04:22 Go to last post

  13. Long distance ultrasonic range finder

    Started by jlehman, 13th March 2019 22:57
    1 Attachment(s)
    • Replies: 7
    • Views: 298
    FvM
    18th March 2019, 23:00 Go to last post

  14. DDS vs PLL RF Link Budget

    Started by ktr, 18th March 2019 10:11
    • Replies: 0
    • Views: 79
    ktr
    18th March 2019, 10:11 Go to last post

  15. Where can I get my transmitter/microwave link tested

    Started by Pat42, 17th March 2019 15:36
    • Replies: 1
    • Views: 125
    BradtheRad
    18th March 2019, 05:25 Go to last post

  16. Digital phasing in feeds

    Started by senmeis, 17th March 2019 15:48
    • Replies: 0
    • Views: 118
    senmeis
    17th March 2019, 15:48 Go to last post

  17. [SOLVED] dual axis tracking antennas

    Started by senmeis, 16th March 2019 15:53
    1 Attachment(s)
    • Replies: 1
    • Views: 152
    wwfeldman
    16th March 2019, 23:48 Go to last post

  18. How to increase printed meandered dipole antenna bandwidth

    Started by kpy, 11th March 2019 15:25
    1 Attachment(s)
    • Replies: 8
    • Views: 319
    volker@muehlhaus
    16th March 2019, 09:57 Go to last post

  19. Metamaterial unit cell structure of Metawave's radar used for beam steering.

    Started by Georgy.Moshkin, 14th March 2019 05:01
    2 Attachment(s)
    • Replies: 1
    • Views: 109
    Georgy.Moshkin
    15th March 2019, 12:05 Go to last post

  20. Is it really "heating" used for beam scanning in Echodyne's radar?

    Started by Georgy.Moshkin, 14th March 2019 05:29
    • Replies: 3
    • Views: 211
    Georgy.Moshkin
    15th March 2019, 03:02 Go to last post

  21. [ADS] designing series coils (spiral inductors)

    Started by pragash, 14th March 2019 13:54
    • Replies: 4
    • Views: 154
    pragash
    14th March 2019, 16:28 Go to last post

  22. Adding ports to know resistance at some point in 2-patch antenna

    Started by vani1221murthy, 13th March 2019 22:28
    • Replies: 1
    • Views: 104
    Georgy.Moshkin
    14th March 2019, 05:16 Go to last post

  23. No commercial 10MHz-50MHz antenna ? How to build?

    Started by shanmei, 13th March 2019 14:36
    1 Attachment(s)
    • Replies: 5
    • Views: 203
    FvM
    13th March 2019, 23:35 Go to last post

  24. overhead keyhole question

    Started by senmeis, 21st December 2018 15:48
    • Replies: 5
    • Views: 448
    senmeis
    13th March 2019, 15:31 Go to last post

  25. Question about LNA stability resistor

    Started by sqx, 4th March 2019 22:31
    4 Attachment(s)
    • Replies: 11
    • Views: 597
    jesuschrist
    13th March 2019, 12:37 Go to last post

  26. FDTD analysis of patch antenna using CST

    Started by geetapradu, 12th March 2019 17:36
    • Replies: 1
    • Views: 127
    akhilpaulv
    13th March 2019, 04:43 Go to last post

  27. Cheap RF 433.92MHz design, PCB track antenna, values of capacitors

    Started by abomin3v3l, 7th March 2019 01:59
    2 Pages •
    1 2
    22 Attachment(s)
    • Replies: 26
    • Views: 789
    abomin3v3l
    12th March 2019, 23:44 Go to last post

  28. 100MHz soil moisture sensor

    Started by gizzard, 3rd March 2019 04:43
    1 Attachment(s)
    • Replies: 6
    • Views: 347
    gizzard
    12th March 2019, 21:32 Go to last post

  29. Looking for 27mhz FM transmitter and receiver

    Started by Rakeshembedded, 12th March 2019 13:45
    • Replies: 0
    • Views: 80
    Rakeshembedded
    12th March 2019, 13:45 Go to last post

  30. Free Optics, Photonics & Laser Simulators List (reply if you know other software)

    Started by flashking, 12th March 2019 11:18
    • Replies: 0
    • Views: 85
    flashking
    12th March 2019, 11:18 Go to last post
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