here it is the long awaited signal amplifier modification for the iTrip

WARNING: It may be illegal to use the following schematic in your country. Consult local authorities or rules and regulations regarding the use of VHF devices.

If you decide to use the device illicitly I cannot be held respoonsible since this is provided for educational information only

As long as the device is used in a mobile situation (i.e. in a car) you shouldnt get caught.

the amp is a single stage amplifier capable of increasing the power from about 10 mW to about 70-80mW (150 mW with the MPS 918 transistor)

<img src="http://www.brentroad.com/photos/00182313.jpg" border ="0">

http://www.brentroad.com/photos/00182313.jpg

all parts are available at Radio Shack except the 10 uH RF choke

not necessary but it would be nice to add on a filter to eliminate pesky harmonics which could cause interference to others