This circuit is a RF modulator which can be used for modulating of video signals. The P1 controls the Light and the P2 controls the contrast of video signal. The RF modulated output signal can be received on the VHF band ( about 189 MHz ). Note that the circuit don't modulate the audio signal of the pictures.

Title: Video to RF Modulator
Source: unknown
Published on: 2005-08-27
Reads: 3496
Print version:

Other schematics from RF circuit

• Simple FM Transmitter
• SW RF Pre-Amplifier
• Medium range transmitter
• Coil-less FM Transmitter
• Simple Op-Amp Radio
• Transmitter FM 45W with valve
• Active Antenna for Medium Wave
• TV Signal Amplifier
• Long range FM transmitter
• 4 Watt FM Transmitter