Circuit :David Kwaku Celestin - Ghana, West Africa
A VHF band TV transmitter using negative sound modulation and PAL video modulation. This is
suitable for countries using TV systems B and G.
Webmasters Note: This circuit will be illegal in some countries!
The frequency of the transmitter lies within VHF and VLF range on the TV channel, however this
circuit has not been tested at UHF frequencies. The modulated sound signal contains 5.5 -6MHz
by tuning C5. Sound modulation is FM and is compatible with UK System I sound. The transmitter
however is working at VHF frequencies between 54 and 216MHz and therefore compatible only
with countries using Pal System B and Pal System G.
For more information on TV systems visit the links below:
Television Frequency Table
Television frequency and channel standarts