RF, Microwave, Ham Radio

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Tony_G, switchabl and 83 Guests are viewing this board.
	Ubitx: what is the minimum I need to add?	rthorntn	1 Replies 606 Views	February 13, 2023, 03:22:52 pm by F4IUJ
	Why there is no DIN sized HAM radio with car radio features yet?	rvalente	23 Replies 5163 Views	April 29, 2021, 03:30:32 pm by M0HZH
	Radio Modem Telemetry System (APRS?)	rvalente	12 Replies 1459 Views	August 17, 2019, 06:43:07 pm by geggi1
	Effects of Up/Down/Transverters on receiver front end?	rwgast_lowlevellogicdesin	5 Replies 2347 Views	November 15, 2016, 02:32:14 pm by dmills
	Broadband amplifier for White noise source?	rwgast_lowlevellogicdesin	22 Replies 6983 Views	June 24, 2016, 06:08:23 pm by LaserSteve
	Quick question about making broadband current unun's, common mode chokes.	rwgast_lowlevellogicdesin	2 Replies 887 Views	December 08, 2017, 12:20:51 am by rwgast_lowlevellogicdesin
	Rogers PCB manufacturing?	rwgast_lowlevellogicdesin	1 Replies 1496 Views	September 27, 2016, 08:24:24 pm by KE5FX
	SI5351 as VFO up in to microwaves?	rwgast_lowlevellogicdesin	7 Replies 5902 Views	August 05, 2016, 05:46:13 am by rwgast_lowlevellogicdesin
	How to measure (Z)impedance@X Frequency and reactance?	rwgast_lowlevellogicdesin	4 Replies 2336 Views	November 17, 2017, 10:35:29 pm by radiogeek381
	How to use PCB Calculator for 50ohm transmission lines?	rwgast_lowlevellogicdesin	11 Replies 11190 Views	December 01, 2016, 08:15:58 pm by hendorog
	Need some advice on physically connecting parabolic wifi grids for remote SDRs	rwgast_lowlevellogicdesin	1 Replies 1702 Views	February 02, 2017, 04:32:40 am by ECEdesign
	How to obtain received signal strength using log amps or similar chips.	rwgast_lowlevellogicdesin	7 Replies 2380 Views	November 04, 2016, 12:11:36 am by rwgast_lowlevellogicdesin
	Commercial Rabbit Ears, am I missing something here?	rwgast_lowlevellogicdesin	2 Replies 1441 Views	January 01, 2017, 09:52:11 am by SeanB
	Circular polarized cantenna feed for dish for 1500-2000mhz	rwgast_lowlevellogicdesin	0 Replies 1964 Views	September 21, 2016, 09:23:35 pm by rwgast_lowlevellogicdesin
	Anyone know of an easy to use Horn Antenna calculator?	rwgast_lowlevellogicdesin	5 Replies 5618 Views	May 11, 2017, 06:09:46 am by pgo84
	Transistor choices and Active filters for RF?	rwgast_lowlevellogicdesin	9 Replies 3686 Views	July 10, 2016, 01:53:39 am by uncle_bob
	Using a lock-in amp for weak signals like satcom and radio astronomy?	rwgast_lowlevellogicdesin	7 Replies 3276 Views	July 29, 2017, 06:48:28 am by rwgast_lowlevellogicdesin
	2.4ghz transciever chip with rssi and i and q out maybe?	rwgast_lowlevellogicdesin	0 Replies 1730 Views	July 07, 2016, 06:30:38 am by rwgast_lowlevellogicdesin
	Acquired a free Yagi, have a few n00b questions.	rwgast_lowlevellogicdesin	15 Replies 2957 Views	May 18, 2016, 09:08:05 pm by shawnb
	Does anyone know of any good experimental SDR community's?	rwgast_lowlevellogicdesin	4 Replies 1969 Views	June 09, 2016, 07:59:15 pm by German_EE
	Hunting a 450mhz signal?	rwgast_lowlevellogicdesin	7 Replies 2626 Views	July 08, 2016, 09:02:36 pm by rwgast_lowlevellogicdesin
	Easy way to create hairpin filters?	rwgast_lowlevellogicdesin	8 Replies 2562 Views	June 07, 2016, 06:49:21 am by rwgast_lowlevellogicdesin
	EMI Detection, difference when using inductors, antennas, and proper EMI probes?	rwgast_lowlevellogicdesin	5 Replies 3162 Views	March 10, 2016, 07:20:04 pm by T3sl4co1l
	Battery powered LNA after 20v power injector and down converter	rwgast_lowlevellogicdesin	0 Replies 1278 Views	August 17, 2016, 04:12:26 am by rwgast_lowlevellogicdesin
	Low Pass filtering top range of a receiver?	rwgast_lowlevellogicdesin	7 Replies 1894 Views	July 06, 2016, 01:45:50 am by uncle_bob
	Calculating/Estimating gain of an in-phase antenna array?	rwgast_lowlevellogicdesin	0 Replies 890 Views	September 07, 2017, 11:16:24 pm by rwgast_lowlevellogicdesin
	Advice on Planar EM Filters and EDA and PCB houses that offer bang for the buck?	rwgast_lowlevellogicdesin	4 Replies 1670 Views	July 26, 2016, 02:01:53 pm by tec5c
	Has anyone ever seen an SDR design that uses a QSD to feed a fast 100MSPS+ ADC?	rwgast_lowlevellogicdesin	3 Replies 1787 Views	August 22, 2017, 06:58:54 am by CopperCone
	SoC or RF Receiver chip for at least 900-950mhz at least?	rwgast_lowlevellogicdesin	0 Replies 11505 Views	December 08, 2015, 11:15:22 pm by rwgast_lowlevellogicdesin
	Antenna and Filtering front end for weak signals?	rwgast_lowlevellogicdesin	0 Replies 1751 Views	September 09, 2016, 03:35:33 am by rwgast_lowlevellogicdesin
	Simple SDR transmitter?	rwgast_lowlevellogicdesin	5 Replies 2848 Views	June 07, 2016, 06:34:32 am by rwgast_lowlevellogicdesin
	Possible to convert Commercial 900mhz Interdigital Duplexer to 1420mhz bandpass?	rwgast_lowlevellogicdesin	6 Replies 2081 Views	August 08, 2017, 02:25:55 pm by LaserSteve
	First DIY dish (WOK used as reflector), need a little help « 1 2 All »	rwgast_lowlevellogicdesin	30 Replies 10074 Views	August 16, 2016, 03:19:24 am by rwgast_lowlevellogicdesin
	Russian Noise diode/tubes, anyone use these? « 1 2 All »	rwgast_lowlevellogicdesin	28 Replies 12634 Views	September 08, 2017, 09:57:02 pm by Wolfgang
	Advice on SDR architectures for low noise L-Band reception?	rwgast_lowlevellogicdesin	0 Replies 1557 Views	March 31, 2017, 06:54:19 am by rwgast_lowlevellogicdesin
	Arduino based SNA's and antenna analyzers?	rwgast_lowlevellogicdesin	0 Replies 1271 Views	March 12, 2017, 05:20:39 am by rwgast_lowlevellogicdesin
	Which RF device/protocol for this?	Rx7man	5 Replies 2251 Views	April 29, 2017, 02:24:54 am by Rx7man
	RF output power for ISM bands	rx8pilot	10 Replies 3333 Views	May 11, 2017, 03:20:26 pm by Gribo
	Drive a piezo at 6.78mhz « 1 2 All »	ryba7	27 Replies 4533 Views	July 27, 2021, 10:19:05 pm by ryba7
	Ham radio controlled Rc aircraft	rymste	6 Replies 3706 Views	March 27, 2017, 07:16:03 pm by metrologist

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