TV transmitter requires supplies voltage of 9-15 Volt. However, you can also use a 9v batteries.
This is an important thing to remember for building of the tv ransmitter circuit is that the dimensions of coil size to match the frequency of the desired work. The value of the spindle is making coil as follows:
L1, L2 = 3 Turns, diam. 3mm, 0.5mm wire
L3 = 2 Turns, diam. 3 mm, 0.5 mm wire
More detail 470-580 MHz UHF TV Transmitter






















