This TV transmitter working on VHF Band I and III, using negative sound modulation and PAL video modulation. This is suitable for countries using TV systems B and G, like Australia and Indonesia. Band I (VHF Low) and Band III (VHF High).
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 TV Transmitter System I sound. The transmitter however is working at VHF frequencies between 54 and 216MHz (band I and Band III) and therefore compatible only with countries using Pal System B and Pal System G. More info...
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEidB5tWJPVICehLpHknVPNvD8fXdlfoK8ygIyMJ12oqRL71DgForMsC2oxR7KzT6lWG19mTI7eerKzEh-nzrnUXSoiCKzMwxRESVl7tQf94aR8hLMcXihyWGTsAO_VkiBqhxI1h0XsP2A/s400/tvtx.gif)
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