RF, Microwave, Ham Radio

• RF, Microwave, Ham Radio

  RF, Microwave, and Ham Radio designs, projects, and discussions.

• Topics

• Dielectric insert tool for RG405 SMA plugs

  Started by alan.bain on 29 Apr, 2024 14:55
  Last post by fant on 11 May, 2024 08:42

  Views: 687, Replies: 7

• Help me identify this RF Connector

  Started by CrazyTiger on 08 May, 2024 07:26
  Last post by CrazyTiger on 11 May, 2024 06:05

  Views: 366, Replies: 4

• BFU590G Troubles

  Started by jamfletch on 06 May, 2024 17:54
  Last post by G0HZU on 11 May, 2024 01:04

  Views: 985, Replies: 21

• Feedline measurements

  Started by dobsonr741 on 10 May, 2024 14:04
  Last post by Roger Need on 10 May, 2024 16:53

  Views: 149, Replies: 2

• Anritsu OSLN50-1 calibration Tee - need cal constants

  Started by EE-digger on 10 May, 2024 16:21

  Views: 79, Replies: 0

• SAW filter design cascading SAW filters

  Started by GGMM on 08 May, 2024 15:07
  Last post by GGMM on 10 May, 2024 09:14

  Views: 397, Replies: 7

• Passive RF SP12T Switch? Does it exist? Is there a better way?

  Started by tbw2 on 07 May, 2024 10:09
  Last post by vk4ffab on 09 May, 2024 23:03

  Views: 438, Replies: 6

• Biquad yagi design?

  Started by cadr on 28 Apr, 2024 01:45
  Last post by pienari on 08 May, 2024 18:02

  Views: 838, Replies: 6

• Where are some good websites or videos to learn about faraday cages and basic RF

  Started by AndrewEp17 on 08 May, 2024 17:18
  Last post by pdenisowski on 08 May, 2024 17:29

  Views: 121, Replies: 1

• Generate FM using IQ inputs?

  Started by biastee on 01 Jun, 2023 05:09
  Last post by radiolistener on 08 May, 2024 03:07

  Views: 3696, Replies: 23

• Interfacing MMIC prescaler to ECL (to replace an Agilent MMIC)

  Started by fenugrec on 23 Feb, 2024 15:34
  Last post by minsik on 07 May, 2024 12:00

  Views: 2849, Replies: 5

• RF Test Automation

  Started by vino on 12 Apr, 2024 17:28
  Last post by Marsupilami on 05 May, 2024 20:10

  Views: 2230, Replies: 10

• Make break modulation, what is it?

  Started by videobruce on 05 May, 2024 08:27
  Last post by videobruce on 05 May, 2024 13:04

  Views: 264, Replies: 2

• MFJ Shutting Down Production and Going Out of Business

  Started by Sal Ammoniac on 25 Apr, 2024 22:03
  Last post by videobruce on 05 May, 2024 08:35

  Views: 2177, Replies: 10

• Keysight Genesys to Altium Designer

  Started by sarason on 05 May, 2024 01:47

  Views: 207, Replies: 0

• Problem with Inductor Self Resonant Frequency

  Started by bittumbler on 01 May, 2024 08:48
  Last post by wilhe_jo on 04 May, 2024 09:16

  Views: 1189, Replies: 19

• Using spectrum analyzer to debug NRF24 module

  Started by sairfan1 on 02 May, 2024 19:25
  Last post by sairfan1 on 03 May, 2024 15:20

  Views: 450, Replies: 4

• Rohde & Schwarz SMS

  Started by Repairman on 03 May, 2024 10:39

  Views: 233, Replies: 0

• fake MPF102s from AliExpress

  Started by graybeard on 28 Apr, 2024 21:41
  Last post by RoGeorge on 02 May, 2024 05:44

  Views: 1557, Replies: 23

• Detecting very low power motion sensors

  Started by glradio on 20 Apr, 2024 10:57
  Last post by Teledog on 02 May, 2024 04:07

  Views: 7056, Replies: 33

• Cascade RF Frontend 2.4GHz possible?

  Started by Flunze on 26 Apr, 2024 19:39
  Last post by vk4ffab on 01 May, 2024 23:03

  Views: 913, Replies: 6

• Transistor tester

  Started by scorponog on 27 Apr, 2024 04:25
  Last post by Calambres on 30 Apr, 2024 05:54

  Views: 1023, Replies: 11

• ROHDE & SCHWARZ SMDU and SMDU Z1 test set owners!

  Started by py1dkw@yahoo.com on 29 Apr, 2024 00:51

  Views: 557, Replies: 0

• HFH ROHDE & SCHWARZ RECEIVER LOOP antennas

  Started by py1dkw@yahoo.com on 12 Mar, 2024 14:08
  Last post by py1dkw@yahoo.com on 29 Apr, 2024 00:46

  Views: 2445, Replies: 7

• NanoVNA Custom Software

  Started by joeqsmith on 22 Jul, 2019 11:54
  Last post by joeqsmith on 28 Apr, 2024 19:34

  Views: 470052, Replies: 2395

• High bandwidth FM signal generation

  Started by enemra on 26 Apr, 2024 15:43
  Last post by ejeffrey on 28 Apr, 2024 16:27

  Views: 1406, Replies: 21

• Open-source Off-Grid Phone Network

  Started by jonovid on 27 Apr, 2024 01:50

  Views: 557, Replies: 0

• WSJT-X on Pi

  Started by metrologist on 23 Apr, 2024 18:53
  Last post by pdenisowski on 26 Apr, 2024 09:11

  Views: 1781, Replies: 27

• Quansheng UV-K5(8) firmware modding

  Started by radiolistener on 23 Apr, 2024 10:30
  Last post by dobsonr741 on 26 Apr, 2024 00:01

  Views: 1864, Replies: 6

• Fly swatter ham radio transmitter

  Started by joeqsmith on 03 Dec, 2023 03:23
  Last post by joeqsmith on 25 Apr, 2024 21:55

  Views: 9255, Replies: 38

• RF 2.4GHZ through Via

  Started by 24602 on 25 Apr, 2024 05:18
  Last post by ConKbot on 25 Apr, 2024 12:19

  Views: 991, Replies: 6

• 120 or 125 ohm coax

  Started by tchicago on 20 Apr, 2024 05:46
  Last post by LaserSteve on 24 Apr, 2024 00:26

  Views: 2625, Replies: 18

• ICOM IC-745, LSB mode

  Started by Zolive974 on 22 Apr, 2024 10:46

  Views: 584, Replies: 0

• Looking for TX-RX @ 433MHz

  Started by atomosrl on 22 Apr, 2024 07:39

  Views: 613, Replies: 0

• Interesting & unusual RF/microwave boards

  Started by D Straney on 23 Sep, 2023 01:22
  Last post by D Straney on 21 Apr, 2024 02:08

  Views: 6730, Replies: 11

• Faraday cage from an old microwave oven

  Started by jonovid on 21 Mar, 2024 08:44
  Last post by EE-digger on 20 Apr, 2024 13:38

  Views: 3389, Replies: 11

• Why are USB-C cables with ferrites rare?

  Started by liteyear on 06 Mar, 2024 01:56
  Last post by EE-digger on 20 Apr, 2024 13:27

  Views: 4562, Replies: 22

• How to measure VSWR of tiny antennas - how to eliminate effect of VNA cables?

  Started by rf-fil on 12 Apr, 2024 03:35
  Last post by EE-digger on 19 Apr, 2024 15:34

  Views: 2069, Replies: 9

• Purchasing HP 432A (was: eBay HP 478A thermistors. Any good?)

  Started by tatel on 26 Feb, 2024 07:44
  Last post by factory on 18 Apr, 2024 19:23

  Views: 5476, Replies: 37

• RF modulator is making a humming sound

  Started by MaximRecoil on 18 Apr, 2024 12:23
  Last post by MaximRecoil on 18 Apr, 2024 15:28

  Views: 997, Replies: 4