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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: 2,053
    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: 32,588
    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: 32,791
    james
    26th December 2002, 15:44 Go to last post

  1. Load pull values as frequency increases

    Started by circuitking, Yesterday 22:26
    • Replies: 4
    • Views: 91
    FvM
    Today, 17:06 Go to last post

  2. How to build a oscillator by using a Sallen Key filter.

    Started by jdocez, Yesterday 08:47
    3 Attachment(s)
    • Replies: 4
    • Views: 129
    FvM
    Today, 16:32 Go to last post

  3. Design circular antenna array

    Started by hanadi_alsalti, 19th June 2019 23:15
    2 Attachment(s)
    • Replies: 4
    • Views: 182
    hanadi_alsalti
    Today, 13:05 Go to last post

  4. Two IP3 related question

    Started by Kamran1992, Yesterday 09:45
    3 Attachment(s)
    • Replies: 6
    • Views: 148
    Kamran1992
    Today, 07:20 Go to last post

  5. microstrip low pass filter design issues with sonnet

    Started by promach, 22nd June 2019 08:39
    3 Attachment(s)
    • Replies: 15
    • Views: 301
    volker@muehlhaus
    Yesterday, 17:52 Go to last post

  6. Stability of a circuit and its role in design steps

    Started by circuitking, 4th June 2019 06:48
    • Replies: 3
    • Views: 245
    pancho_hideboo
    Yesterday, 13:45 Go to last post

  7. Antenna efficiency from S11

    Started by arr_baobao, 16th June 2019 07:31
    • Replies: 7
    • Views: 245
    FvM
    Yesterday, 13:35 Go to last post

  8. Tuning of varicap diode in a magnetic loop antenna based on modulating signal

    Started by rodv92, Yesterday 11:59
    • Replies: 0
    • Views: 38
    rodv92
    Yesterday, 11:59 Go to last post

  9. Energy harvest circuit questions

    Started by shanmei, 22nd June 2019 04:18
    1 Attachment(s)
    • Replies: 6
    • Views: 169
    betwixt
    Yesterday, 09:34 Go to last post

  10. Broadband Horn Antenna Input Impedance Matching

    Started by metalmisers, 22nd June 2019 00:28
    2 Attachment(s)
    • Replies: 0
    • Views: 75
    metalmisers
    22nd June 2019, 00:28 Go to last post

  11. PAE contours in Cadence spectre

    Started by circuitking, 20th June 2019 23:41
    • Replies: 5
    • Views: 144
    BigBoss
    21st June 2019, 23:39 Go to last post

  12. Design of 45 degree slant polarizer

    Started by gayathrim, 4th June 2019 04:39
    • Replies: 12
    • Views: 514
    kripacharya
    21st June 2019, 20:42 Go to last post

  13. [SOLVED] Rational Approximation of Gaussian LPF

    Started by pancho_hideboo, 14th June 2019 13:36
    9 Attachment(s)
    • Replies: 6
    • Views: 290
    pancho_hideboo
    21st June 2019, 19:02 Go to last post

  14. Error detected by hpeesofsim during netlist parsing

    Started by HWEngineer, 21st June 2019 17:19
    • Replies: 0
    • Views: 65
    HWEngineer
    21st June 2019, 17:19 Go to last post

  15. [moved] Split ring resonator based RFID antenna design in CST ?

    Started by Abduljabbar, 21st June 2019 15:23
    5 Attachment(s)
    • Replies: 1
    • Views: 61
    Abduljabbar
    21st June 2019, 15:36 Go to last post

  16. Serial bootloader for TMS320F28377S

    Started by samic45mit1, 21st June 2019 11:57
    • Replies: 0
    • Views: 75
    samic45mit1
    21st June 2019, 11:57 Go to last post

  17. Microwave multipier chip

    Started by ehsantech, 21st June 2019 04:41
    • Replies: 2
    • Views: 96
    ehsantech
    21st June 2019, 11:36 Go to last post

  18. How does single signal reception work in this transceiver?

    Started by neazoi, 21st June 2019 09:15
    1 Attachment(s)
    • Replies: 0
    • Views: 67
    neazoi
    21st June 2019, 09:15 Go to last post

  19. Combining 2 power amplifiers in different frequencies to widen bandwidth

    Started by pert, 19th June 2019 15:29
    • Replies: 4
    • Views: 151
    BigBoss
    20th June 2019, 21:53 Go to last post

  20. Even Order Elliptic LPF

    Started by pancho_hideboo, 8th June 2019 14:19
    3 Attachment(s)
    • Replies: 2
    • Views: 234
    pancho_hideboo
    20th June 2019, 14:27 Go to last post

  21. Selection of Zeros of S11(s)

    Started by pancho_hideboo, 20th June 2019 14:13
    5 Attachment(s)
    • Replies: 0
    • Views: 75
    pancho_hideboo
    20th June 2019, 14:13 Go to last post

  22. 1PPS Generator Module

    Started by stoui333, 14th June 2019 14:02
    • Replies: 7
    • Views: 260
    Aussie Susan
    20th June 2019, 04:03 Go to last post

  23. Marchand balun layout

    Started by promach, 30th May 2019 04:04
    • Replies: 6
    • Views: 418
    promach
    20th June 2019, 02:12 Go to last post

  24. transformer S11 simulation

    Started by shanmei, 19th June 2019 15:42
    • Replies: 2
    • Views: 132
    BigBoss
    20th June 2019, 01:23 Go to last post

  25. Using a 0db Attn as termination

    Started by ktr, 19th June 2019 12:24
    2 Attachment(s)
    • Replies: 3
    • Views: 108
    volker@muehlhaus
    19th June 2019, 14:34 Go to last post

  26. Effect of number of fingers and width of a transistor on Efficiency and power gain

    Started by circuitking, 11th June 2019 00:22
    • Replies: 5
    • Views: 238
    circuitking
    19th June 2019, 10:02 Go to last post

  27. Broken RF ground plane

    Started by milansedlak, 18th June 2019 14:45
    1 Attachment(s)
    • Replies: 5
    • Views: 172
    milansedlak
    19th June 2019, 09:34 Go to last post

  28. About Stripline design questions

    Started by bejing, 10th June 2019 09:19
    • Replies: 2
    • Views: 141
    vfone
    19th June 2019, 07:21 Go to last post

  29. [SOLVED] Modulation scheme of this pulsed/two-frequency radar system

    Started by usx, 13th June 2019 02:26
    1 Attachment(s)
    • Replies: 4
    • Views: 234
    usx
    18th June 2019, 22:05 Go to last post

  30. [SOLVED] Drawing simple Data in Smith ADS smith Chart

    Started by Amir.Sk, 12th June 2019 15:41
    2 Pages •
    1 2
    7 Attachment(s)
    • Replies: 23
    • Views: 774
    pancho_hideboo
    18th June 2019, 17:51 Go to last post
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