What is modulation?
Modulation is the way the digital bit stream is transmitted to the receiver. All Zaxcom wireless transmitters have the ability to be set to transmit different modulations types. Each modulation will have different transmission properties for different applications.
What are the available modulations?
|Modulation Bandwidth||200 kHz||200 kHz||200 kHz||96 kHz||48 kHz|
|Minimum Channel to Channel Spacing||400 kHz||400 kHz||400 kHz||300 kHz||100 kHz*|
|6 MHz TV Channel Capacity||15||15||15||30||60|
|Compatibility with 200 Series Receiver||2 Transmitters||2 Transmitters||2 Transmitters||2 Transmitters||1 Transmitter|
|Compatibility with QRX300 Receiver||no||no||no||no||1 Transmitter|
*When used with QRX300 receiver – the minimum spacing is 200 kHz when using all other receivers
What is the modulation bandwidth?
The modulation bandwidth is how much spectrum space the RF signal occupies. The narrower the signal is the more frequencies can fit within a given amount of spectrum space.
What is channel to channel spacing?
If two transmitters are operating too close to each other the signals from the transmitters will interfere with each other. Channel to channel spacing is the minimum number of kilohertz one frequency needs to be set from another frequency to prevent interference. The smaller the spacing, the more frequencies can fit within a given amount of spectrum space.