Discussion in "Electronics" started by    ۞ TPS ۞    Oct 9, 2007.
Tue Oct 09 2007, 01:08 AM
#1
HERE IS Good quality sensitive FM transmitter .i have tasted it it gives awesome result
Tue Oct 09 2007, 06:49 AM
#2
where it is
Tue Oct 09 2007, 11:14 AM
#3
i cant see either...
Tue Oct 09 2007, 12:50 PM
#4
oops here it is
 pdi33 like this.
Tags fm transmitter circuitminiature fm transmitter
Tue Oct 09 2007, 02:31 PM
#5
Hellow to every one yea i have also tested this transmitter this works good,but basic problem with this transmitter is the range and the sound quality which is not up to the mark if some body is really interested in making good FM transmitter go for 4 Watt FM transmitter. After making this transmitter u will feel like u have made something its like a small radio station with a huge range of 50 KM in open space

http://www.electronics-lab.com/projects/rf/001/index.html

 pdi33 like this.
Tue Oct 09 2007, 02:46 PM
#6
do u know source of silver coated wire (Gauge?0 also RFC1=RFC2=RFC3= VK200 RFC tsok
TR1 = TR2 = 2N2219 NPN
TR3 = 2N3553 NPN
Tue Oct 09 2007, 03:14 PM
#7
TR2 2N2222 or 2N2219 or BC337-25 NPN transistor
TR3 2N3553 or 2N3924 or BFS22A
No need of using silver coated wires our simple copper wires with the given diameter, can be used.
choke VK200 can be obtained from a Radio shop
or

http://www.rfparts.com/choke.html

if u do not get this component dont worry

RFC is a radio frequency choke it is a circuit element designed to present a high impedance to radio frequency energy while offering minimal resistance to direct current. RFCs are frequently used in series with power supply leads both to keep RF from coupling via undesired power supply paths and to prevent power supply components from paralleling undesired impedances across the RF circuit.
so if u want to avoid this in your circuit u can.
I hope it will be usefull.


[ Edited Tue Oct 09 2007, 05:35 PM ]
Tue Oct 09 2007, 03:20 PM
#8
ya somewhere i saw a site where they suggested to make VK200 RFC option
Tue Oct 09 2007, 03:30 PM
#9
but i dont think they would have given this explanation behind their suggestion :-)
Sun Dec 09 2007, 09:32 PM
#10
Hey guys, my name is Andy. I have tried to build that transmitter and I think I need a little help as it's my first project. The 9v battery at the top, I can't understand where the 2 wires should go ? Has anyone actually built one of these ? If so can you pleassseeee please e-mail any photo(s) to me at [email protected] I'd really really appreciate it thankyou !

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Sun Oct 13 2019, 02:02 AM
Aline Hutchinson
Hey there,
ExperimenterUK
Sat Oct 12 2019, 10:23 PM
Log in.. then post your code in the 8051 forum
Sat Oct 12 2019, 10:18 AM
Bhadra Sajikumar
i am doing a countdown timer with 8051 for my project, unfortunately our professor had to take a leave of absence before he could teach us most of it.. can someone explain the .asm code of it for me?
Mon Sep 23 2019, 07:37 AM
Nathaniel
I am doing a project for my schools wireless security system with cameras,sensors and spot lights using 8051 micro controller, could you help me out with the design and its source code.
Wed Sep 18 2019, 08:48 PM
Caryn Kover
Thank you for your time,
ExperimenterUK
Mon Aug 05 2019, 07:09 PM
@Ismail ..post in forum, give details
Mon Aug 05 2019, 04:33 PM
Ismail balghmi
Hello. Please I won't download
ExperimenterUK
Wed Jul 24 2019, 12:47 AM
@BUSTER123 Please post in the forum
Tue Jul 23 2019, 06:13 PM
BUSTER123
hello! newbie here. i am kind of a guy who hates using ready - made existing libraries, so this helped a lot as i was trying to control and write to a character lcd display. however, i can't figure out how to set the cursor position. for example, i want to set it to the 5th column in the first row, so position 5. so according to the table, i am sending 10000101 on the 8 data lines of the lcd (register select pulled low). the cursor does not move there however. and i cant move the cursor left or right too. is it something wrong that i am doing? thank you.
ExperimenterUK
Thu Jul 11 2019, 07:55 PM
@ramos https://www.theengineeringprojects.com/2017/09/l298-motor-driver-library-proteus.html

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