www.fmuser.org
www.fmuser.org
5
1. Overview
There are 4 types transmitter, 50W, 100W, 200W, 300W, in family TV transmitter. This kind
of TV transmitter is excellent, combining with TV modulation and power amplifier.
This TV transmitter is comprised of modulation cell and power amplifier cell; these two parts
have separate control and display system.
This TV transmitter provides a COM interface, which user can turn on or turn off TV
transmitter by remote command.
2. Technical Specifications
2.1. Technical Index
2.1.1 Video Index
1. Video input impedance 75
Ω
2. Video input level 1.0Vp-p
3. Video modulating rate 87.5%
4. deferential gain
≤
2.5%
5. deferential phase
≤
2
°
6. color/brightness delay 30ns
7. video response 0.75dB
8. video S/N
≥
58dB
（
non coefficient added
）
≥
64dB
（
coefficient added
）
2.1.2 Audio Index
1. audio input impedance 10K
Ω（
unbalance
，
lotus socket
）
2. audio input level 0.775V
3. MAX audio freq deviation
≤±
50KHz
4. Audio pre-emphasis 50us
5. audio frequency response
≤±
0.5dB
（
40Hz ~ 15KHz
）
6. audio distortion
≤
1%
7. audio S/N
≥
65dB
