Home |
Search |
Today's Posts |
#1
|
|||
|
|||
HHH Update
Hi all,
I have had a bit of a busy half-year, with sickness in the family and the like. But I have managed to add a few new projects that could be of interest to my homepages on http://web.telia.com/~u85920178 Have you ever wondered how these old IF-cans can be re-used? I have two different articles dedicated to them: http://web.telia.com/~u85920178/begin/cans-0.htm (reusing IF cans) http://web.telia.com/~u85920178/rx/tda7k-rx2.htm (TDA7000 for NBFM) http://web.telia.com/~u85920178/bloc...mr_tube_00.htm (Making your own) Last month someone asked me how I choose values for components, but "Can you add calculations". Ok, I did it, with a few over-simplifications, and for a crude project: http://web.telia.com/~u85920178/begin/bug_calc.htm (FM Wireless Microphone) http://web.telia.com/~u85920178/begin/calc-00.htm (Includes loads of useful calculators) Earlier int he year I needed to throw together s quick VHF antenna for 446MHz, 432MHz, and again for 145MHz. When I had to do it for 105MHz I created this project: http://web.telia.com/~u85920178/antennas/vpole0.htm (15-minute +2.5dBd antenna) Where did those multi-gang tuning capacitors go? I needed one, so I etched it on a PCB, cheap: http://web.telia.com/~u85920178/use/tuning_caps.htm (multi-gang - for HF/VHF) http://web.telia.com/~u85920178/use/tuning_caps2.htm (PCB Preset capacitor) If anyone can help me get the supplier and part number for "hobby time" I couild use a bunch if it ;-) Best regards Harry |
#2
|
|||
|
|||
HHH Update
On Wed, 27 Sep 2006 15:24:37 +0200, "Harry Lethall"
wrote: I have had a bit of a busy half-year, ...ad a few new projects that could be of interest to my homepages on http://web.telia.com/~u85920178 http://web.telia.com/~u85920178/rx/tda7k-rx2.htm (TDA7000 for NBFM) Best regards Harry I like when someone fiddles with that TDA7000 chip :-)) I did it time ago too ! :-)) ... you will get mail ! :-) -- Regards , SPAJKY ® mail addr. @ my site @ http://www.spajky.vze.com 4y - "Tualatin OC-ed / BX-Slot1 / inaudible setup!" |
#3
|
|||
|
|||
HHH Update
Harry Lethall wrote: Hi all, I have had a bit of a busy half-year, with sickness in the family and the like. But I have managed to add a few new projects that could be of interest to my homepages on http://web.telia.com/~u85920178 Have you ever wondered how these old IF-cans can be re-used? I have two different articles dedicated to them: http://web.telia.com/~u85920178/begin/cans-0.htm (reusing IF cans) http://web.telia.com/~u85920178/rx/tda7k-rx2.htm (TDA7000 for NBFM) http://web.telia.com/~u85920178/bloc...mr_tube_00.htm (Making your own) Last month someone asked me how I choose values for components, but "Can you add calculations". Ok, I did it, with a few over-simplifications, and for a crude project: http://web.telia.com/~u85920178/begin/bug_calc.htm (FM Wireless Microphone) http://web.telia.com/~u85920178/begin/calc-00.htm (Includes loads of useful calculators) Earlier int he year I needed to throw together s quick VHF antenna for 446MHz, 432MHz, and again for 145MHz. When I had to do it for 105MHz I created this project: http://web.telia.com/~u85920178/antennas/vpole0.htm (15-minute +2.5dBd antenna) Where did those multi-gang tuning capacitors go? I needed one, so I etched it on a PCB, cheap: http://web.telia.com/~u85920178/use/tuning_caps.htm (multi-gang - for HF/VHF) http://web.telia.com/~u85920178/use/tuning_caps2.htm (PCB Preset capacitor) Hejsan, "Lethall Harry!" :-) Excellent new pages on your website. The two on homemade tuning capacitors is very good. Keep it up, please, should be of help to many hobbyists, not just licensed radio amateurs. |
#4
|
|||
|
|||
HHH Update
I have received the mail, and I shall reply to it shortly - very interesting
views: needs some thought :-) Nice change to get some "inteligent" mail for a change. Usually I get 90% SPAM, and of the rest it is 80% "I want" or 20% "I wanna complain". I have had a bit of a busy half-year, ...ad a few new projects that could be of interest to my homepages on http://web.telia.com/~u85920178 http://web.telia.com/~u85920178/rx/tda7k-rx2.htm (TDA7000 for NBFM) Best regards Harry I like when someone fiddles with that TDA7000 chip :-)) I did it time ago too ! :-)) ... you will get mail ! :-) -- Regards , SPAJKY ® mail addr. @ my site @ http://www.spajky.vze.com 4y - "Tualatin OC-ed / BX-Slot1 / inaudible setup!" |
#5
|
|||
|
|||
HHH Update
Oh yes, I do intend to keep it up.
I am in the middle of building a TV transmitter with HB tuning caps built on the PCB, but it is the modulator that is giving me a bit of a problem. BR H Hi all, I have had a bit of a busy half-year, with sickness in the family and the like. But I have managed to add a few new projects that could be of interest to my homepages on http://web.telia.com/~u85920178 Have you ever wondered how these old IF-cans can be re-used? I have two different articles dedicated to them: http://web.telia.com/~u85920178/begin/cans-0.htm (reusing IF cans) http://web.telia.com/~u85920178/rx/tda7k-rx2.htm (TDA7000 for NBFM) http://web.telia.com/~u85920178/bloc...mr_tube_00.htm (Making your own) Last month someone asked me how I choose values for components, but "Can you add calculations". Ok, I did it, with a few over-simplifications, and for a crude project: http://web.telia.com/~u85920178/begin/bug_calc.htm (FM Wireless Microphone) http://web.telia.com/~u85920178/begin/calc-00.htm (Includes loads of useful calculators) Earlier int he year I needed to throw together s quick VHF antenna for 446MHz, 432MHz, and again for 145MHz. When I had to do it for 105MHz I created this project: http://web.telia.com/~u85920178/antennas/vpole0.htm (15-minute +2.5dBd antenna) Where did those multi-gang tuning capacitors go? I needed one, so I etched it on a PCB, cheap: http://web.telia.com/~u85920178/use/tuning_caps.htm (multi-gang - for HF/VHF) http://web.telia.com/~u85920178/use/tuning_caps2.htm (PCB Preset capacitor) Hejsan, "Lethall Harry!" :-) Excellent new pages on your website. The two on homemade tuning capacitors is very good. Keep it up, please, should be of help to many hobbyists, not just licensed radio amateurs. |
Reply |
Thread Tools | Search this Thread |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Forum | |||
FEMA National Situation Update Sept 2 2005 Friday | Scanner | |||
Santa Claus Post is a Trojan!!! | Scanner | |||
Rem. Hope / Stair UPDATE | Shortwave | |||
ON6DP QSL-Manager Database, November 2003 Update | Dx | |||
WinScan780 Update Now Available | Scanner |