Text preview for : My Electronics Hobby - Telephone FM Transmitter.pdf part of na na This project is taken from www.electronics-lab.com.
With some modification, I create my oen version of FM Telephone bug complete with stripboard layout.
Theortically, the frequency range is from 88MHz to 94MHz but you may experiment with the coil structure to tune it
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My Electronics Hobby: Telephone FM Transmitter
http://leoricksimon.blogspot.com/2006/04/telephone-fm-transmitter.html
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MY ELECTRONICS HOBBY: TELEPHONE FM TRANSMITTER
My small collection of electronic hobby information.
THURSDAY, APRIL 20, 2006 TELEPHONE FM TRANSMITTER
Descrition & Circuit
This project is taken from www.electronics-lab.com. With some modification, I create my oen version of FM Telephone bug complete with stripboard layout. Theortically, the frequency range is from 88MHz to 94MHz but you may experiment with the coil structure to tune it
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Name:LeorickSimon View my complete profile
Circuit
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Strip Board Layout
Integration Associates Single Chip - ISM Band Tx's, Rx's and Transceivers
www.integration.com
Parts List
Diode IN4384 LED Resistor 12k 1k 200R Capacitor 470p 330p 25p 12p Transistor Coil A933(PNP) *See note 4 1 1 1 1 1 1 1 1 1 1
VHF/UHF TV & FM Amplifier 650 mW to 700 W , superior quality designed in USA, made in Thailand
www.aerocommthailand.com
Free PCB Layout Software PCB design and fab online. Instant Prices, low cost, dependable svc
www.pad2pad.com
*Coil note 7 or 8 turns of 22AWG(diameter .6mm) around 9/64inch(3.6mm) drill bit. Antenna using the same wire 22AWG, 5inch long
Picture ENFORCER Wireless Mfg of reliable RF transmitter & receivers since 1971. FCC approved.
www.SECO-LARM.com/RFCat.htm
Compact!
With antenna!
1 of 2
4/21/2006 7:42 PM
My Electronics Hobby: Telephone FM Transmitter
http://leoricksimon.blogspot.com/2006/04/telephone-fm-transmitter.html
Put it online!
Get ready to tune your radio!
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