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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: 3,073
    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: 33,617
    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: 33,828
    james
    26th December 2002, 15:44 Go to last post

  1. Diagonalization of Impedance Matrix

    Started by pancho_hideboo, 10th October 2019 17:37
    • Replies: 2
    • Views: 253
    pancho_hideboo
    Yesterday, 19:49 Go to last post

  2. 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: 29
    • Views: 1,937
    volker@muehlhaus
    Yesterday, 10:21 Go to last post

  3. 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: 131
    BigBoss
    Yesterday, 00:49 Go to last post

  4. how to get higher P1dB,in point

    Started by circuitking, 13th October 2019 14:24
    • Replies: 2
    • Views: 164
    BigBoss
    Yesterday, 00:44 Go to last post

  5. Loadpull for Differential PA

    Started by circuitking, 25th September 2019 12:50
    2 Attachment(s)
    • Replies: 9
    • Views: 536
    vivekroy
    13th October 2019, 19:58 Go to last post

  6. question about Friis equation with very large antenna gain

    Started by sqx, 13th October 2019 17:40
    • Replies: 2
    • Views: 143
    vivekroy
    13th October 2019, 19:56 Go to last post

  7. Reference Book for Multiport Microwave Junction

    Started by Amir57, 11th October 2019 22:08
    • Replies: 0
    • Views: 273
    Amir57
    11th October 2019, 22:08 Go to last post

  8. Regarding RF PCB layout design in my company product, some questions

    Started by simbaliya, 9th October 2019 11:34
    • Replies: 3
    • Views: 413
    PlanarMetamaterials
    11th October 2019, 15:35 Go to last post

  9. Microstrip line and ground on same layer

    Started by WengCheng, 5th October 2019 15:19
    1 Attachment(s)
    • Replies: 14
    • Views: 638
    PlanarMetamaterials
    11th October 2019, 15:27 Go to last post

  10. HFSS surface mesh deformed error

    Started by gayathrim, 11th October 2019 14:05
    • Replies: 0
    • Views: 102
    gayathrim
    11th October 2019, 14:05 Go to last post

  11. Regarding 5G antenna types & design guideline if any!

    Started by Abhishekabs, 11th October 2019 09:06
    • Replies: 0
    • Views: 116
    Abhishekabs
    11th October 2019, 09:06 Go to last post

  12. Measuring phase shift

    Started by Zorah_Ahmad, 1st October 2019 20:29
    • Replies: 1
    • Views: 189
    biff44
    10th October 2019, 12:11 Go to last post

  13. ERROR 21: The metallic edge for the excitation does not exist (error in CADFEKO)

    Started by nikosnte, 6th October 2019 19:55
    4 Attachment(s)
    • Replies: 0
    • Views: 204
    nikosnte
    6th October 2019, 19:55 Go to last post

  14. How the stability analysis in analog and RF design related?

    Started by circuitking, 5th October 2019 23:58
    • Replies: 3
    • Views: 286
    BigBoss
    6th October 2019, 11:00 Go to last post

  15. Question about PC3.5mm and SMA connectors

    Started by moro, 2nd October 2019 06:57
    • Replies: 3
    • Views: 299
    vfone
    4th October 2019, 21:26 Go to last post

  16. Question about RF power meter

    Started by 000SHREDDER000, 1st October 2019 23:12
    • Replies: 13
    • Views: 773
    pancho_hideboo
    3rd October 2019, 04:12 Go to last post

  17. RF Energy Harvesting Power Source

    Started by yomaii, 27th September 2019 10:58
    1 Attachment(s)
    • Replies: 9
    • Views: 612
    FvM
    2nd October 2019, 22:15 Go to last post

  18. S parameter extraction for MOSFET internal parameters

    Started by circuitking, 26th September 2019 00:36
    • Replies: 10
    • Views: 595
    circuitking
    2nd October 2019, 14:12 Go to last post

  19. In-band image problem for low-IF receiver

    Started by sqx, 27th September 2019 21:01
    1 Attachment(s)
    • Replies: 2
    • Views: 254
    pancho_hideboo
    2nd October 2019, 01:05 Go to last post

  20. Relay selection for Ultrasonic signals

    Started by jerryvdk, 20th September 2019 11:24
    • Replies: 5
    • Views: 374
    biff44
    1st October 2019, 11:34 Go to last post

  21. Pulse distortion after amplification

    Started by inass57, 19th September 2019 14:13
    2 Attachment(s)
    • Replies: 4
    • Views: 332
    biff44
    1st October 2019, 11:30 Go to last post

  22. what is the significance of the transit frequency and maximum frequency of oscillatio

    Started by circuitking, 11th July 2019 10:35
    • Replies: 6
    • Views: 563
    circuitking
    1st October 2019, 11:12 Go to last post

  23. Captured field by Array Antenna

    Started by pancho_hideboo, 25th September 2019 18:57
    4 Attachment(s)
    • Replies: 16
    • Views: 687
    Georgy.Moshkin
    30th September 2019, 17:06 Go to last post

  24. Problem during simulation model MRF13750 in ADS

    Started by Riddik, 30th September 2019 07:53
    3 Attachment(s)
    • Replies: 4
    • Views: 246
    Riddik
    30th September 2019, 15:37 Go to last post

  25. Why S22 curve is like this

    Started by circuitking, 20th July 2019 17:01
    2 Attachment(s)
    • Replies: 9
    • Views: 666
    circuitking
    30th September 2019, 14:39 Go to last post

  26. Error opening earlier saved file in ADS

    Started by narayani, 27th September 2019 10:38
    2 Attachment(s)
    • Replies: 3
    • Views: 236
    narayani
    28th September 2019, 19:14 Go to last post

  27. HFSS Lumped RLC Boundary

    Started by SebastianCelis, 28th September 2019 08:10
    • Replies: 0
    • Views: 161
    SebastianCelis
    28th September 2019, 08:10 Go to last post

  28. Resonance Frequency of the Antenna.

    Started by anwersbh, 25th September 2019 07:16
    2 Attachment(s)
    • Replies: 11
    • Views: 586
    volker@muehlhaus
    27th September 2019, 13:54 Go to last post

  29. What happens to output power and 3 BW in this circuit

    Started by circuitking, 15th September 2019 18:45
    1 Attachment(s)
    • Replies: 3
    • Views: 344
    pancho_hideboo
    27th September 2019, 00:49 Go to last post

  30. How do you choose input power while doing loadpull?

    Started by circuitking, 31st August 2019 23:29
    • Replies: 8
    • Views: 775
    vivekroy
    26th September 2019, 03:52 Go to last post
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