RF, Microwave, Ham Radio

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Revky27, Odysseus, miniant and 79 Guests are viewing this board.
	How do I identify a ferrite core material.	Qmavam	5 Replies 1862 Views	September 10, 2019, 06:53:37 pm by T3sl4co1l
	Experiments on 13cm - 2.4 GHz over mountains (non line of sight)	haydenph	4 Replies 723 Views	September 10, 2019, 06:44:58 pm by Yansi
	The Icom IC-705! HF-UHF SDR Radio - An initial review	haydenph	4 Replies 1737 Views	September 10, 2019, 04:02:30 pm by Lord of nothing
	Derivation of Marchand Balun equations	promach	1 Replies 1545 Views	September 10, 2019, 09:17:42 am by promach
	ICOM PCR-1000 / uPC1037GR SSB product detector chip, EU source?	9aplus	4 Replies 1189 Views	September 10, 2019, 08:13:21 am by 9aplus
	Marchand balun layout	promach	6 Replies 3143 Views	September 08, 2019, 04:46:11 am by promach
	Fisher TFM1000 pulse count detector-How does it work?	djsb	1 Replies 1166 Views	September 08, 2019, 01:29:27 am by vk6zgo
	Deriving admittance matrix for shortened quarter-wavelength transmission line	promach	3 Replies 1194 Views	September 06, 2019, 08:03:17 am by promach
	microstrip low pass filter design issues with sonnet	promach	9 Replies 2393 Views	September 06, 2019, 07:37:58 am by TheUnnamedNewbie
	Holzworth USB Synthesizer Software?	DaJMasta	0 Replies 680 Views	September 04, 2019, 11:21:45 pm by DaJMasta
	Mike's Radio Repair is Back!	German_EE	4 Replies 5834 Views	September 04, 2019, 05:20:52 pm by German_EE
	What characteristic on the material datasheet defines Flux in cores vs current	Qmavam	22 Replies 1798 Views	September 04, 2019, 02:54:23 pm by Qmavam
	List of HF SDR Transceivers	hagster	14 Replies 3361 Views	September 03, 2019, 08:15:10 pm by kd3pc
	RF de-coupling with ferrite bead vs. RF choke, can it degrade S/N ratio?	szoftveres	2 Replies 1091 Views	August 31, 2019, 04:02:58 am by pigrew
	Help me identify this dongle?	pbarton	6 Replies 1135 Views	August 30, 2019, 09:49:58 pm by szoftveres
	Understanding using an inductor to pass ac and block dc, at and above resononan	Qmavam	20 Replies 2472 Views	August 30, 2019, 09:42:18 pm by fourfathom
	In my quest to learn about ferrite materials Re: Relative Permeability	Qmavam	9 Replies 1038 Views	August 30, 2019, 02:55:26 pm by Qmavam
	SIM7000 MQTT re-connection issue.	utpal19	0 Replies 806 Views	August 30, 2019, 09:30:53 am by utpal19
	Help understanding ferrites, I want saturation « 1 2 All »	Qmavam	33 Replies 3658 Views	August 30, 2019, 12:10:06 am by Qmavam
	Do I need to adapt this Class A device for home use?	paul8f	7 Replies 959 Views	August 28, 2019, 08:30:06 pm by Towger
	Noob question: Adjustable Low-/High-/Band-Pass Filter - do they exist?	Bicurico	11 Replies 2137 Views	August 28, 2019, 12:58:03 am by vk4ffab
	Free (RF) Energy ??	German_EE	3 Replies 748 Views	August 27, 2019, 04:51:40 am by TheUnnamedNewbie
	Maximizing range of cheap remote triggers	Peabody	10 Replies 1566 Views	August 26, 2019, 08:46:58 pm by tautech
	AM radio kit -- good explanation, except for the mixing part	petert	4 Replies 1165 Views	August 26, 2019, 05:29:38 pm by radiolistener
	How do I test for mixing products.	Qmavam	8 Replies 850 Views	August 26, 2019, 04:56:34 am by David Hess
	Help me choose a Ferrite Material for 500kHz to 4MHz	Qmavam	3 Replies 1100 Views	August 26, 2019, 02:52:44 am by biastee
	What spur level to expect from SI5351 and AD9851???	erikka	9 Replies 4225 Views	August 25, 2019, 05:32:51 pm by rf-messkopf
	Show us your Grip Dip / Wave Absorption Meters « 1 2 All »	vinlove	28 Replies 6169 Views	August 25, 2019, 12:34:02 am by joeqsmith
	Weird elevated RF noise floor today?	reagle	0 Replies 691 Views	August 23, 2019, 08:16:38 pm by reagle
	Right way to calculate the T-Check???	erikka	16 Replies 1550 Views	August 23, 2019, 10:15:23 am by rf-messkopf
	balun design gives box resonance error in Sonnet	promach	1 Replies 650 Views	August 22, 2019, 06:43:27 am by promach
	FEM - RFFM6906	madhu.wesly01	0 Replies 559 Views	August 21, 2019, 01:27:12 pm by madhu.wesly01
	2.4Ghz constant source signal	jacobdel	4 Replies 916 Views	August 20, 2019, 09:05:42 pm by ataradov
	Measuring RF Power Output with DMM or DSO?	vinlove	10 Replies 2788 Views	August 20, 2019, 11:08:50 am by bd139
	Any good picocell/femtocell cellphone base station USB dongles?	Ben321	21 Replies 2679 Views	August 19, 2019, 11:53:38 pm by Ben321
	VHF wide band oscillator design	szoftveres	3 Replies 872 Views	August 18, 2019, 04:56:40 pm by T3sl4co1l
	Vector Impedance Meter - Anything Modern & Inexpensive?	NY2KW	2 Replies 1034 Views	August 18, 2019, 09:32:18 am by radiolistener
	Radio Modem Telemetry System (APRS?)	rvalente	12 Replies 1495 Views	August 17, 2019, 06:43:07 pm by geggi1
	Power efficient oscillator topologies?	Teal	10 Replies 1544 Views	August 17, 2019, 04:31:26 pm by ogden
	Wifi Ax Design ??	dazz1	7 Replies 916 Views	August 17, 2019, 11:27:42 am by dazz1

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