TV Transmitter

Description

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

Circuit Notes

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

Televison system frequency and channel standards.

Return to Radio Frequency Circuits