RF, Microwave, Ham Radio

	Subject	Started by	Replies / Views	Last post
loulou31, switchabl, D Straney and 66 Guests are viewing this board.
	Help with Arduino GPS module	kuzm1nsk1	11 Replies 1154 Views	February 12, 2024, 11:52:29 am by Ian.M
	DIY RF EMC Biconic Antenna « 1 2 3 4 All »	dazz1	79 Replies 13862 Views	February 11, 2024, 08:30:44 pm by dazz1
	UHF signals by the MOON ..... on 437 Mhz , info to received it ?	1enry1	7 Replies 1497 Views	February 11, 2024, 02:06:16 pm by 1enry1
	RTL-SDR's tuner E4000 Have 6 IF stage, why?	Seyyed Mohammad	2 Replies 879 Views	February 09, 2024, 09:39:40 pm by MarkT
	Conversion of VNA cal kit data between formats	radar_macgyver	11 Replies 2636 Views	February 09, 2024, 01:36:50 pm by switchabl
	swr directional coupler	p.larner	8 Replies 1276 Views	February 08, 2024, 10:52:46 am by Kean
	IQ FM Demodulator to Analog Audio	FredWDaniel	3 Replies 911 Views	February 08, 2024, 03:20:42 am by glenenglish
	Return loss of an 10dB attenuator?	LM21	12 Replies 1879 Views	February 08, 2024, 02:45:25 am by ejeffrey
	Does VNA > SA ?	Finderbinder	23 Replies 2662 Views	February 07, 2024, 09:16:10 pm by Bud
	coupler type id	p.larner	0 Replies 548 Views	February 07, 2024, 08:21:03 pm by p.larner
	VIAs or unfilled holes for grounding top and bottom layers of PCB together?	LM21	2 Replies 575 Views	February 07, 2024, 06:21:27 pm by radiolistener
	Help needed with LNB modification for external reference	alibenpeng	5 Replies 893 Views	February 07, 2024, 11:27:55 am by alibenpeng
	Can't see signal with scope even though I know it's present (solved, bad probe)	psyon	10 Replies 2102 Views	February 07, 2024, 04:22:37 am by psyon
	Making a narrowband FM disciminator	met12	15 Replies 1589 Views	February 06, 2024, 08:17:18 pm by LaserSteve
	swr bridge re use+ repair « 1 2 All »	p.larner	43 Replies 4076 Views	February 06, 2024, 04:48:46 am by vk4ffab
	A good low cost 20-40dB attenuator for 20-50W	LM21	4 Replies 1027 Views	February 05, 2024, 09:56:47 pm by LM21
	How used the TinySA ULTRA spectrum analyzer ?	1enry1	2 Replies 803 Views	February 05, 2024, 10:49:33 am by Solder_Junkie
	Difference between the HP83620A and the HP83620B	pe2ben	0 Replies 495 Views	February 05, 2024, 07:22:54 am by pe2ben
	NanoVNA measures Inducror made for 2M BPF always appears overly capacitive	jut	13 Replies 1348 Views	February 04, 2024, 08:16:37 pm by selcuk
	IEEE Video -- The Origins of Silicon Valley: Roots in Ham Radio	fourfathom	0 Replies 561 Views	February 04, 2024, 05:49:30 am by fourfathom
	Part number for IC-745 L201 on PLL board	hostile	15 Replies 2795 Views	February 04, 2024, 02:14:13 am by icom_hobbyist
	[unfolds] #01 - Franklin oscillator	RoGeorge	3 Replies 3984 Views	February 03, 2024, 03:01:39 pm by wofritz
	Quartz Filter for FM slope detection	met12	3 Replies 633 Views	February 02, 2024, 09:10:25 pm by met12
	Resonating Antenna is 10cm less than calculated !!	AtoMick-u235	3 Replies 960 Views	February 02, 2024, 08:46:38 pm by A.Z.
	End Fed Random Wire « 1 2 All »	metrologist	44 Replies 4647 Views	February 02, 2024, 02:58:09 pm by p.larner
	Homebrew Tone Board Using Arduino Works, Then Doesn't	TMA-1	4 Replies 759 Views	February 02, 2024, 01:50:54 pm by TMA-1
	Eagle Brand RF Bridge with N Female Removal Center Pin	NY2KW	0 Replies 385 Views	February 02, 2024, 04:39:26 am by NY2KW
	Request for recommendations - Vector Signal Generator	QuasiCoherent	0 Replies 497 Views	February 01, 2024, 09:33:37 am by QuasiCoherent
	Current FM/FSK modulator / demodulator chips	philpem	1 Replies 767 Views	January 31, 2024, 02:12:02 pm by jut
	How do I measure common mode EMI/RFI from a wall wart	mike449	14 Replies 1138 Views	January 31, 2024, 05:27:19 am by mike449
	Zero IF demodulator DC offset compensation circuit	rfguy2020	2 Replies 479 Views	January 30, 2024, 05:02:29 pm by rfguy2020
	simple ctcss board	p.larner	0 Replies 380 Views	January 30, 2024, 08:07:01 am by p.larner
	RF/LF SA Mixer	Homeoffice	1 Replies 546 Views	January 30, 2024, 06:31:54 am by erikka
	Identify this common-base oscillator with a coaxial output network « 1 2 All »	berke	26 Replies 2274 Views	January 29, 2024, 03:44:33 pm by berke
	VHF power transmitter (lab experimnt) « 1 2 All »	Dajgoro	29 Replies 2639 Views	January 29, 2024, 09:22:51 am by Dajgoro
	Please help me investigate source of radio interference in recording studio « 1 2 3 All »	sonictooth	53 Replies 3999 Views	January 29, 2024, 08:37:32 am by m k
	(Solved) Need service manual / schematics for Motorola R-1010A signal generator	CaptDon	3 Replies 929 Views	January 28, 2024, 03:19:57 am by CaptDon
	Quansheng UV-K5 AM/FM/DTMF 2 way radio modifications	Ebel0410	0 Replies 806 Views	January 27, 2024, 08:42:32 pm by Ebel0410
	coil winding	p.larner	10 Replies 1300 Views	January 26, 2024, 08:45:34 pm by A.Z.
	if tap	p.larner	12 Replies 1703 Views	January 26, 2024, 02:10:38 am by RFDx


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