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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: 891
    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: 32,008
    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: 32,203
    james
    26th December 2002, 15:44 Go to last post

  1. 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: 1,177
    ktr
    Today, 15:58 Go to last post

  2. RF Limiter not working as it should

    Started by syedhamzahasan, Yesterday 14:47
    3 Attachment(s)
    • Replies: 3
    • Views: 89
    albbg
    Today, 13:07 Go to last post

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

    Started by So.nia, Today 11:18
    • Replies: 0
    • Views: 50
    So.nia
    Today, 11:18 Go to last post

  4. Smith chart of λ/4 Transmission Line

    Started by promach, Yesterday 05:55
    • Replies: 4
    • Views: 139
    Georgy.Moshkin
    Today, 09:40 Go to last post

  5. CML buffer advantages for VCO

    Started by rty94, Yesterday 22:05
    • Replies: 2
    • Views: 136
    dick_freebird
    Today, 03:52 Go to last post

  6. Question about transistor on MMIC

    Started by sqx, Yesterday 04:22
    2 Attachment(s)
    • Replies: 3
    • Views: 97
    BigBoss
    Yesterday, 07:23 Go to last post

  7. Dual band variable gain amplifier

    Started by Johannah, 14th March 2019 09:04
    • Replies: 2
    • Views: 156
    Johannah
    Yesterday, 04:26 Go to last post

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

    Started by Hawaslsh, 18th March 2019 20:46
    3 Attachment(s)
    • Replies: 3
    • Views: 77
    Georgy.Moshkin
    Yesterday, 04:22 Go to last post

  9. Long distance ultrasonic range finder

    Started by jlehman, 13th March 2019 22:57
    1 Attachment(s)
    • Replies: 7
    • Views: 293
    FvM
    18th March 2019, 23:00 Go to last post

  10. DDS vs PLL RF Link Budget

    Started by ktr, 18th March 2019 10:11
    • Replies: 0
    • Views: 69
    ktr
    18th March 2019, 10:11 Go to last post

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

    Started by Pat42, 17th March 2019 15:36
    • Replies: 1
    • Views: 121
    BradtheRad
    18th March 2019, 05:25 Go to last post

  12. Digital phasing in feeds

    Started by senmeis, 17th March 2019 15:48
    • Replies: 0
    • Views: 114
    senmeis
    17th March 2019, 15:48 Go to last post

  13. [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

  14. How to increase printed meandered dipole antenna bandwidth

    Started by kpy, 11th March 2019 15:25
    1 Attachment(s)
    • Replies: 8
    • Views: 317
    volker@muehlhaus
    16th March 2019, 09:57 Go to last post

  15. 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: 107
    Georgy.Moshkin
    15th March 2019, 12:05 Go to last post

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

    Started by Georgy.Moshkin, 14th March 2019 05:29
    • Replies: 3
    • Views: 205
    Georgy.Moshkin
    15th March 2019, 03:02 Go to last post

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

    Started by pragash, 14th March 2019 13:54
    • Replies: 4
    • Views: 153
    pragash
    14th March 2019, 16:28 Go to last post

  18. power amplifier design input impedance

    Started by akhilpaulv, 6th March 2019 10:50
    13 Attachment(s)
    • Replies: 15
    • Views: 542
    akhilpaulv
    14th March 2019, 05:52 Go to last post

  19. 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

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

    Started by shanmei, 13th March 2019 14:36
    1 Attachment(s)
    • Replies: 5
    • Views: 200
    FvM
    13th March 2019, 23:35 Go to last post

  21. overhead keyhole question

    Started by senmeis, 21st December 2018 15:48
    • Replies: 5
    • Views: 447
    senmeis
    13th March 2019, 15:31 Go to last post

  22. Question about LNA stability resistor

    Started by sqx, 4th March 2019 22:31
    4 Attachment(s)
    • Replies: 11
    • Views: 596
    jesuschrist
    13th March 2019, 12:37 Go to last post

  23. 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

  24. 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: 787
    abomin3v3l
    12th March 2019, 23:44 Go to last post

  25. 100MHz soil moisture sensor

    Started by gizzard, 3rd March 2019 04:43
    1 Attachment(s)
    • Replies: 6
    • Views: 345
    gizzard
    12th March 2019, 21:32 Go to last post

  26. 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

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

    Started by flashking, 12th March 2019 11:18
    • Replies: 0
    • Views: 84
    flashking
    12th March 2019, 11:18 Go to last post

  28. how they simulate this 3 stages amplifier?

    Started by danfoss, 7th March 2019 15:17
    4 Attachment(s)
    • Replies: 9
    • Views: 447
    BradtheRad
    12th March 2019, 09:21 Go to last post

  29. Mulitple antennas for the same feed line

    Started by Bsr, 11th March 2019 07:08
    • Replies: 1
    • Views: 102
    Georgy.Moshkin
    12th March 2019, 08:59 Go to last post

  30. [ADS] Design of spiral inductor In ADS

    Started by pragash, 23rd February 2019 11:31
    8 Attachment(s)
    • Replies: 19
    • Views: 831
    pragash
    11th March 2019, 11:14 Go to last post
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