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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: 2,582
    16th May 2018, 16:43 Go to last post
    • Replies: 0
    • Views: 33,128
    9th May 2007, 08:28 Go to last post
  2. Sticky Thread Sticky: LEGALS/UNLEGALS FILES----NEW RULES

    Started by james, 26th December 2002 15:44
    • Replies: 0
    • Views: 33,334
    26th December 2002, 15:44 Go to last post
  1. Loadpull for Narrowband and Broadband

    Started by circuitking, Yesterday 23:23
    • Replies: 2
    • Views: 83
    Today, 10:59 Go to last post
  2. microstrip low pass filter design issues with sonnet

    Started by promach, 22nd June 2019 08:39
    2 Pages
    1 2
    • Replies: 21
    • Views: 794
    Today, 06:16 Go to last post
    • Replies: 2
    • Views: 99
    Yesterday, 22:06 Go to last post
  3. Cellular Power Densities

    Started by Zak28, 16th August 2019 07:57
    • Replies: 4
    • Views: 213
    Yesterday, 20:22 Go to last post
  4. [SOLVED] s Parameters of LNA Improvement

    Started by santosh_475, Yesterday 14:03
    • Replies: 0
    • Views: 88
    Yesterday, 14:03 Go to last post
    • Replies: 3
    • Views: 165
    22nd August 2019, 10:09 Go to last post
    • Replies: 1
    • Views: 155
    22nd August 2019, 08:58 Go to last post
    • Replies: 3
    • Views: 168
    22nd August 2019, 08:29 Go to last post
  5. Circular polarization using 90 degree hybrid coupler

    Started by gayathrim, 22nd August 2019 05:22
    • Replies: 0
    • Views: 106
    22nd August 2019, 05:22 Go to last post
    • Replies: 18
    • Views: 744
    21st August 2019, 06:59 Go to last post
  6. Trouble with my analyzer ?

    Started by Externet, 20th August 2019 02:36
    • Replies: 2
    • Views: 150
    20th August 2019, 20:43 Go to last post
    • Replies: 0
    • Views: 85
    20th August 2019, 17:43 Go to last post
  7. bfq162 pnp comlementary?

    Started by neazoi, 16th August 2019 13:27
    • Replies: 2
    • Views: 165
    20th August 2019, 17:33 Go to last post
  8. Is there a programmable receiver in the market ?

    Started by Externet, 19th August 2019 17:57
    • Replies: 0
    • Views: 105
    19th August 2019, 17:57 Go to last post
  9. Active HF phase shifter?

    Started by neazoi, 13th August 2019 15:34
    • Replies: 10
    • Views: 561
    18th August 2019, 14:23 Go to last post
  10. SBL-1 double balanced mixer

    Started by mipat, 17th August 2019 20:58
    • Replies: 0
    • Views: 138
    17th August 2019, 20:58 Go to last post
  11. High power efficiency oscillator topologies?

    Started by Archimedes, 15th August 2019 17:38
    • Replies: 14
    • Views: 452
    17th August 2019, 08:11 Go to last post
    • Replies: 2
    • Views: 167
    16th August 2019, 10:57 Go to last post
  12. Are there really ferrites for multi-GHz frequencies?

    Started by htg, 5th August 2019 17:09
    • Replies: 3
    • Views: 372
    16th August 2019, 08:05 Go to last post
  13. Metal patterns in PCBs

    Started by dajuhovova, 15th August 2019 12:34
    • Replies: 4
    • Views: 218
    15th August 2019, 21:05 Go to last post
  14. Looking for a VHF/UHF 90 degrees Hybrid Coupler part

    Started by Hadi-Alik, 14th August 2019 14:25
    • Replies: 4
    • Views: 256
    15th August 2019, 13:30 Go to last post
  15. Problem about amplifier biasing circuit

    Started by sqx, 15th August 2019 10:27
    • Replies: 4
    • Views: 194
    15th August 2019, 13:27 Go to last post
    • Replies: 9
    • Views: 548
    13th August 2019, 09:55 Go to last post
  16. How to Count the Transmission Zero?

    Started by luoni2002, 13th August 2019 09:48
    • Replies: 0
    • Views: 114
    13th August 2019, 09:48 Go to last post
  17. How to increase high frequency output power

    Started by circuitking, 12th August 2019 13:58
    • Replies: 5
    • Views: 279
    13th August 2019, 06:17 Go to last post
    • Replies: 9
    • Views: 408
    12th August 2019, 11:59 Go to last post
  18. Tuning Selectivity Factor

    Started by Externet, 11th August 2019 17:04
    • Replies: 2
    • Views: 213
    12th August 2019, 09:40 Go to last post
  19. CST accuracy control beyond the mesh density

    Started by kato01, 8th August 2019 12:26
    • Replies: 4
    • Views: 303
    10th August 2019, 11:35 Go to last post
  20. [SOLVED] CAN ID receive issue in PIC18F46K80

    Started by desgin, 9th August 2019 13:35
    • Replies: 3
    • Views: 198
    10th August 2019, 07:28 Go to last post