Make your own professional UHF transmitter.

Learn stuff
Learn stuff
90.7 هزار بار بازدید - 11 سال پیش - See our 1 mile UHF
See our 1 mile UHF transmitter at:
http://www.bug-transmitter.com


Lets make a UHF Surveillance transmitter
Please subscribe to my YouTube channel
In this video i will show you how to make a
This FM Transmitter is very easy to build.
Frequency: 434.565Mhz
Current consumption: 12mA
Working Voltage: 2.1-3.6v
Stability: PLL (Phase-Locked Loop) controlled.
Distance: Long transmitting range, over 4000ft. Penetrates through walls and ceilings.
Power: Up to 12mW RF output.
Audio: Internal microphone manufactured by KEPO: 100Hz to 10,000Hz frequency range
Works for 7 days when using 2 x Duracell alkaline batteries
Parts List:

The main IC is a: MAX1472 ,its a crystal-referenced phase-locked loop (PLL) VHF/UHF transmitter IC
The MAX1472 is a 3mm x 3mm 8-pin SOT23 package

PLEASE NOTE
The videos I make take a lot of time to film and edit ,I know I don't make many videos and that I will improve on in the future ,any donations are welcome to my PayPal account at: [email protected]
Thanks



R1 Resistor: 22k
R2 Resistor: 1M
R3 Resistor: 10k
R4 Resistor: 1M
R5 Resistor: 10k
R6 Resistor: 47k
C1 Capacitor: 22nf
C2 Capacitor: 22nf
C3 Capacitor: 4.7pf
C4 Capacitor: 4.7.pf
C5 Capacitor: 1nf
C6 Capacitor: 100nf
Transistors ,2 x BC4547C
Varicap: BB134
10mm Microphone \
Antenna wire: 12" wire
L1: 22nH

PP3 battery clip

Home made Circuit board (See Video)

Music written by Tom Cusack
Composer -- Tom Cusack
Music from www.freemusicforvideos.com
11 سال پیش در تاریخ 1392/10/18 منتشر شده است.
90,775 بـار بازدید شده
... بیشتر