Search found 29 matches

by nay27uk
Mon Mar 15, 2010 3:17 pm
Forum: Guides - comments and ideas
Topic: RE: http://www.pcs-electronics.com/guide_amplifiers.php
Replies: 1
Views: 15147

RE: http://www.pcs-electronics.com/guide_amplifiers.php

RE: http://www.pcs-electronics.com/guide_amplifiers.php can I put two times 2sc1972 transisters in this? will the output with two be 28W? What parts would I need to alter/change to get it running two transisters? Can both be ran on the same rail or would they need seperate rails? Basicaly I have two...
by nay27uk
Wed Dec 16, 2009 6:23 am
Forum: Schematics - help and ideas
Topic: FM broadcast band ATU
Replies: 0
Views: 12541

FM broadcast band ATU

Does anyone know wher I can find shematics of an ATU or a place to purchase a ATU that will cover the FM broadcast band, Have looked everywher
by nay27uk
Wed Jul 22, 2009 7:36 am
Forum: Off topic!
Topic: Toner PCB
Replies: 2
Views: 18341

Cheers
by nay27uk
Tue Jul 21, 2009 1:26 pm
Forum: Off topic!
Topic: Toner PCB
Replies: 2
Views: 18341

Toner PCB

What is the best cheepest laser printer that will take photo paper for making PCB's I dont want to spend more than £100
by nay27uk
Mon Jul 06, 2009 10:30 am
Forum: FM transmitters
Topic: How to Test a Transmitter's Power Output?
Replies: 4
Views: 11702

thank you pal
by nay27uk
Sun Jul 05, 2009 11:14 pm
Forum: FM transmitters
Topic: How to Test a Transmitter's Power Output?
Replies: 4
Views: 11702

marko is ther anyway of doing this with a volt meter, was just wondering as i have had lots of troble tuning my VFO home built transmitter. I would get it so i thought it was on the proper frequency (or at least it sounded like it in the house) when i went for a walk 500 yards away the transmision i...
by nay27uk
Sun Jul 05, 2009 10:08 pm
Forum: Off topic!
Topic: Earthing
Replies: 2
Views: 17231

Thanks marko although I don’t really need to worry to much about lightning as my antenna is not mounted on anything as I live in an apartment and putting antennas of any kind up is strictly prohibited by our housing association, not even allowed a satellite dish or my own TV antenna, what I have don...
by nay27uk
Sun Jul 05, 2009 2:37 pm
Forum: Guides - comments and ideas
Topic: low cost Fm transmitter
Replies: 1
Views: 18947

GOOGLE FM TRANSMITTER SCHEMATICS
by nay27uk
Sun Jul 05, 2009 2:21 pm
Forum: Off topic!
Topic: What frq do you ...
Replies: 14
Views: 44070

wanted 92.4 but have ended up on 102.30
by nay27uk
Sun Jul 05, 2009 1:29 pm
Forum: Off topic!
Topic: Earthing
Replies: 2
Views: 17231

Earthing

Hi all is it advisable to earth my transmitter to the electricity erth line as i live in a new apartment and they use pvc tubing for the water so there is no copper pipe to earth to
by nay27uk
Fri Jun 26, 2009 3:37 am
Forum: Off topic!
Topic: Some cool photos... been playing with macro
Replies: 4
Views: 20563

lovely clear pics
by nay27uk
Fri Jun 26, 2009 3:10 am
Forum: Off topic!
Topic: Jingles Adverts Production Effects
Replies: 12
Views: 36373

very true sir,

And as for young well im 34 now feel 69 LOL
by nay27uk
Fri Jun 26, 2009 1:40 am
Forum: Off topic!
Topic: Jingles Adverts Production Effects
Replies: 12
Views: 36373

no offence pcs it was a joke sorry
by nay27uk
Thu Jun 25, 2009 9:42 pm
Forum: Schematics - help and ideas
Topic: Repeater
Replies: 0
Views: 12637

Repeater

how would you make a repeater for the fm braudcast band
by nay27uk
Thu Jun 25, 2009 9:20 pm
Forum: Schematics - help and ideas
Topic: I need help regarding what type of transmitter????
Replies: 1
Views: 15262

Ok you want to transmit lots of miles. if you had an antenna about 5000 feet above ground you could probably do this with a 4 watt transmitter, i take it an antenna this high is not an option so you will need to look for a transmitter of at least 1kw or more and still have your antenna up high to co...
by nay27uk
Thu Jun 25, 2009 8:24 pm
Forum: Schematics - help and ideas
Topic: 2 X 2SC1972's What to do with them
Replies: 2
Views: 16244

thanks pcs i did see that erlier but didnt think it was sutable as 2SC1972 is not listed. How would i hook up both the transisters. I was thinking side by side with both transisters B,C,E leading to the same traks on the PCB, Is this logical and if so would the 7 W output of my transmitter drive bot...
by nay27uk
Thu Jun 25, 2009 5:28 pm
Forum: Schematics - help and ideas
Topic: 2 X 2SC1972's What to do with them
Replies: 2
Views: 16244

2 X 2SC1972's What to do with them

Hi all. I have two new 2SC1972 transistores that im not using. What i would like to know is if any of you know of, or could draw me up some simple schematics, For a 88-108 amp that will use both transistores combined for 28 Watt of output, Or if they canot be combined a schematic for using just one....
by nay27uk
Tue Jun 23, 2009 11:57 am
Forum: Schematics - help and ideas
Topic: Sheet steel as shields
Replies: 1
Views: 13118

Sheet steel as shields

Hi all.

I was wondering if sheet steel could be used to make RF shields on a PCB or does it have to be alluminium
by nay27uk
Sun Jun 21, 2009 1:49 am
Forum: Off topic!
Topic: Jingles Adverts Production Effects
Replies: 12
Views: 36373

i want some BUT FOR FREE i dont wana pay, anyone know of any good jingle making software i can download from a torrent site, Like i said i dont wana pay for anything
by nay27uk
Fri Jun 19, 2009 1:25 pm
Forum: Guides - comments and ideas
Topic: FM braudcast Band in mtr's
Replies: 2
Views: 16063

ok thanks pcs i wondered because the transmitter i built says this
With proper construction this unit will transmit with very-good signal in 1500 meters.
dont know why it say 1500 meters