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Topic: ELECTRICAL TRANSFORMERS
Black_Hawk

Replies: 0
Views: 2913
PostForum: Schematics - help and ideas   Posted: Fri Aug 06, 2004 5:20 am   Subject: ELECTRICAL TRANSFORMERS
Greetings,
Some wortwhile info for whomever is interested in Learning about transformers

Toroidal types:

http://www.mitchellxfmr.com/pics/big/transformers/big_11.jpg....Norms - Our complete lin ...
Topic: Does the rds max v2.0 assembled works in Canada ?
Black_Hawk

Replies: 2
Views: 5573
PostForum: RDS Encoders   Posted: Sun Aug 01, 2004 2:01 am   Subject: What is RDS ?
A Brief Introduction to RDS (Radio Data System for VHF/FM broadcasting)

The use of more and more frequencies for radio programmes in the VHF/FM range make it inceasingly difficult to tune a convent ...
Topic: What kind of schematics do you miss?
Black_Hawk

Replies: 22
Views: 34079
PostForum: Schematics - help and ideas   Posted: Fri Jul 30, 2004 8:55 pm   Subject: that means that you are under heavy manners dude
I have worked at various establishments where i have been the only male working in unison with 5 females..and presently i cant keep track of all the females that wanna work along with me...It's a Looo ...
Topic: What kind of schematics do you miss?
Black_Hawk

Replies: 22
Views: 34079
PostForum: Schematics - help and ideas   Posted: Thu Jul 29, 2004 2:00 pm   Subject: What kind of schematics do you miss?
Schematics for The Grenade Transmitter and a PCB-layout!

Thanks!

http://www.poorandstupid.com/images/20040129jotd.jpg
Topic: ATX POWER SUPPLIES FOR D.C FEEDS
Black_Hawk

Replies: 2
Views: 4377
PostForum: Schematics - help and ideas   Posted: Sat Jul 24, 2004 10:24 am   Subject: IN A DAY OR SO I SHALL POST SOME JPEGS
On the YAHOO Pirate Radio site,a few units that i have modified for use overseas..As i said it is one way for those that are Technically sound and wanna take advantage of the low cost and wide availab ...
Topic: ATX POWER SUPPLIES FOR D.C FEEDS
Black_Hawk

Replies: 2
Views: 4377
PostForum: Schematics - help and ideas   Posted: Wed Jul 21, 2004 8:59 am   Subject: WATTAGE VERSUS AMPS OUTPUT
By the way here are some details that i offer as a practical guideline if anyone decides to do the conversion.

FOR A 250-275 WATT COMPUTER SWITCHING PSU FROM EXPERREINCE AND DEPENDING ON THE MANUFA ...
Topic: ATX POWER SUPPLIES FOR D.C FEEDS
Black_Hawk

Replies: 2
Views: 4377
PostForum: Schematics - help and ideas   Posted: Wed Jul 21, 2004 8:25 am   Subject: ATX POWER SUPPLIES FOR D.C FEEDS
Greetz,

There are some ATX Computer power supplies that can be used to provide a very stable and well filtered source of Direct Current at 12 to 13volts which can be used for Powering up Various tr ...
Topic: Power and modulation AM max
Black_Hawk

Replies: 7
Views: 8172
PostForum: AM transmitters   Posted: Mon Jul 19, 2004 11:40 pm   Subject: GLOW FETS
?

He might be referring to a RF amp minus the Mosfets that were Probably Burnt out by useing the Wrong type of N connectors on the Antenna Cable

I HAVE SEEN THAT HAPPEN SO MANY TIMES..HIGH RESI ...
Topic: ISOTRON AM BROADCAST ANTENNA WITH AM MAX II
Black_Hawk

Replies: 15
Views: 27083
PostForum: AM transmitters   Posted: Sat Jul 10, 2004 6:40 am   Subject: LOOP ANTENNA IDEAS
...Part 15 FCC requirements dictate the final stage of the transmitter be located as close as possible to the loop terminals.(HOW IMPRATICAL FOR THE AVERAGE LAZY JOE DOE) This constraint posses no maj ...
Topic: do i need a balun with log-periodic?
Black_Hawk

Replies: 4
Views: 5287
PostForum: Antennas   Posted: Sat Jul 10, 2004 5:42 am   Subject: Re: do i need a balun with log-periodic?Additional Info
I just bought RPL 0205 log-periodic antenna from you guys. Theres no instructions but i can figure out how to assemble it. But do i need a balun for it? What is it's impedance at 100mhz? I will be ...
Topic: Half-Wave Antenna Questions...
Black_Hawk

Replies: 5
Views: 5604
PostForum: Antennas   Posted: Sat Jul 10, 2004 5:30 am   Subject: SKIN EFFECT "TEORY"
http://www.w8ji.com/coaxial%20currents/coax.giff we feed exactly equal and opposite current into the coax, currents have no choice but to flow INSIDE the cable shield! The outermost conductor can be t ...
Topic: INTERBAY ANTENNA SPACEING_WELL WRITTEN ARTICLE
Black_Hawk

Replies: 10
Views: 7106
PostForum: Antennas   Posted: Wed Jul 07, 2004 10:19 pm   Subject: INTERBAY ANTENNA SPACEING_WELL WRITTEN ARTICLE
Hey Peoples..Pay close attention.

"The cone of silence is not the only area that requires careful attention when there is concern about excessive downward radiation. The minor lobes radiated from t ...
Topic: Sound Solution compressor in Winamp
Black_Hawk

Replies: 28
Views: 39964
PostForum: Off topic!   Posted: Wed Jun 30, 2004 7:55 am   Subject: SoundPanel Download Files
Hummm, Strange people live in here....The force is weak within him....Anyway about sound solution. I have downloaded and having a play with it at the moment. If anyone has managed to sort a dece ...
Topic: FCC BLOGS
Black_Hawk

Replies: 0
Views: 5097
PostForum: Off topic!   Posted: Wed Jun 30, 2004 7:51 am   Subject: FCC BLOGS
Opinion: LP Eye for the FM Guys

We wrote here years ago that NAB and other opponents had rushed to condemn low-power FM before all the facts were in, then went about producing evidence to support t ...
Topic: Need help with creating a wireless FM guitar system!
Black_Hawk

Replies: 2
Views: 4365
PostForum: Schematics - help and ideas   Posted: Sat Jun 26, 2004 4:44 am   Subject: BROWSE AND NAVIGATE
AND FIND YOUR RELEVANT CCT.


http://www.circuitsage.com/

http://www.101science.com/eleclinks.htm

http://home.sandiego.edu/~ekim/e194rfs01/

http://members.tripod.com/~transmitters/links.ht ...
Topic: microwave link
Black_Hawk

Replies: 10
Views: 15732
PostForum: Schematics - help and ideas   Posted: Fri Jun 25, 2004 12:14 pm   Subject: spectrum compliance
Just remember folks that ensure that even if one decides to RF link your studio to your TX..do pre-qualifying checks to ensure that you are useing a legal segment of the RF Spectrum assigned for RF ST ...
Topic: Using an FM transmitter for an R/C car
Black_Hawk

Replies: 1
Views: 3281
PostForum: FM transmitters   Posted: Fri Jun 25, 2004 8:14 am   Subject: Re: Using an FM transmitter for an R/C car
What kind of FM transmitter could I use to control a remote control car and have it go a mile or more?

Make - model # - and cross reference #

and where can I buy one at?

Also, how do you incr ...
Topic: 10 GigaHurtz_GUNN OSCILLATORS SOURCES
Black_Hawk

Replies: 0
Views: 2672
PostForum: Schematics - help and ideas   Posted: Fri Jun 25, 2004 7:53 am   Subject: 10 GigaHurtz_GUNN OSCILLATORS SOURCES
Greetz,
Here are a few more data sheets.

http://www.shfmicro.com/c10macom.jpg

10 ghz Gunn source with varactor modulator
http://www.shfmicro.com/10ghz.pdf by M/A_COM
Topic: APPLICATION NOTES..C.E.LABS
Black_Hawk

Replies: 0
Views: 2536
PostForum: Schematics - help and ideas   Posted: Fri Jun 25, 2004 7:25 am   Subject: APPLICATION NOTES..C.E.LABS
Greetz,
For the serious Hardcore RF Hardware systems integrator here are some application notes worth reading.

http://www.cel.com/eng/eng_notes.asp
Topic: microwave link
Black_Hawk

Replies: 10
Views: 15732
PostForum: Schematics - help and ideas   Posted: Fri Jun 25, 2004 7:18 am   Subject: Re: Microwave LInk
SB, do you just mean you want the Power supply/Audio modulator section that plugs in to the GUNN oscillator horn?

I have a very good schematic, let me know and ill email you it...
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