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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: 936
    16th May 2018, 16:43 Go to last post
    • Replies: 0
    • Views: 32,038
    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: 32,238
    26th December 2002, 15:44 Go to last post
  1. Smith chart of λ/4 Transmission Line

    Started by promach, 19th March 2019 05:55
    • Replies: 16
    • Views: 439
    Today, 18:08 Go to last post
  2. Bipolar transistor availability

    Started by sophiante, Yesterday 15:10
    • Replies: 4
    • Views: 120
    Today, 13:00 Go to last post
  3. Enlarging microstrip antenna

    Started by Unaz, Yesterday 19:15
    • Replies: 0
    • Views: 89
    Yesterday, 19:15 Go to last post
  4. Solve for er from propagation constant

    Started by Hawaslsh, 21st March 2019 19:54
    • Replies: 4
    • Views: 183
    Yesterday, 18:14 Go to last post
  5. Is this circuit Band Pass filter ?

    Started by noor84, 21st March 2019 10:15
    • Replies: 1
    • Views: 180
    Yesterday, 18:09 Go to last post
  6. Moved: Advise about the circuit in the attached file

    Started by noor84, Yesterday 18:15
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  7. 100MHz soil moisture sensor

    Started by gizzard, 3rd March 2019 04:43
    • Replies: 7
    • Views: 389
    Yesterday, 14:06 Go to last post
  8. No commercial 10MHz-50MHz antenna ? How to build?

    Started by shanmei, 13th March 2019 14:36
    • Replies: 6
    • Views: 244
    Yesterday, 14:00 Go to last post
  9. RF Limiter not working as it should

    Started by syedhamzahasan, 19th March 2019 14:47
    • Replies: 4
    • Views: 169
    Yesterday, 13:58 Go to last post
  10. DDS vs PLL RF Link Budget

    Started by ktr, 18th March 2019 10:11
    • Replies: 1
    • Views: 107
    Yesterday, 13:56 Go to last post
  11. Where can I get my transmitter/microwave link tested

    Started by Pat42, 17th March 2019 15:36
    • Replies: 5
    • Views: 211
    Yesterday, 13:52 Go to last post
  12. multi-stage lna matching

    Started by SDRookie, 21st March 2019 04:44
    • Replies: 4
    • Views: 192
    Yesterday, 07:40 Go to last post
  13. need 7pF to 10pF at 2.5GHz

    Started by pragash, 8th March 2019 12:35
    3 Pages
    1 2 3
    • Replies: 43
    • Views: 1,364
    21st March 2019, 19:56 Go to last post
  14. LC VCO poor phase noise @1MHz

    Started by rty94, 20th March 2019 21:42
    • Replies: 3
    • Views: 141
    21st March 2019, 08:40 Go to last post
  15. power amplifier design input impedance

    Started by akhilpaulv, 6th March 2019 10:50
    • Replies: 16
    • Views: 627
    21st March 2019, 02:28 Go to last post
    • Replies: 0
    • Views: 81
    20th March 2019, 11:18 Go to last post
  16. CML buffer advantages for VCO

    Started by rty94, 19th March 2019 22:05
    • Replies: 2
    • Views: 228
    20th March 2019, 03:52 Go to last post
  17. Question about transistor on MMIC

    Started by sqx, 19th March 2019 04:22
    • Replies: 3
    • Views: 123
    19th March 2019, 07:23 Go to last post
  18. Dual band variable gain amplifier

    Started by Johannah, 14th March 2019 09:04
    • Replies: 2
    • Views: 177
    19th March 2019, 04:26 Go to last post
  19. Long distance ultrasonic range finder

    Started by jlehman, 13th March 2019 22:57
    • Replies: 7
    • Views: 322
    18th March 2019, 23:00 Go to last post
  20. Digital phasing in feeds

    Started by senmeis, 17th March 2019 15:48
    • Replies: 0
    • Views: 127
    17th March 2019, 15:48 Go to last post
  21. [SOLVED] dual axis tracking antennas

    Started by senmeis, 16th March 2019 15:53
    • Replies: 1
    • Views: 164
    16th March 2019, 23:48 Go to last post
    • Replies: 8
    • Views: 353
    16th March 2019, 09:57 Go to last post
  22. [ADS] designing series coils (spiral inductors)

    Started by pragash, 14th March 2019 13:54
    • Replies: 4
    • Views: 168
    14th March 2019, 16:28 Go to last post
  23. overhead keyhole question

    Started by senmeis, 21st December 2018 15:48
    • Replies: 5
    • Views: 461
    13th March 2019, 15:31 Go to last post