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200W Analog TV Transmitter




Introduce:TV Transmitter UHF/VHF Power: 200W in a 4U height 19' rack Professional designed for TV stations Big LCD displays all parameters Switched power supply High reliability Low price

 200W TV Transmitter


This product is the all solid-state Single-channel TV Transmitter, it adopts professional TV exciter, and it can use the single/duel exciter configuration, switching automatically.

This transmitter has a variety of linear and non-linear pre-correction function, carrier frequency offset, and precision bias (with external precision reference source) function.

It can prefabricate and control the half-power output, and it has remote control telemetry interface.

The power amplifier used LDMOS FET, the analog and digital are both compatible, and it used high-quality switch parallel power.

The power amplifier and power supply are both used hot-plug devices.

The power loss and standing wave of the one-time synthesis power combiner is small.

The module of power amplifier display the working parameters in real-time.

The whole machine has the protection of over-current, over temperature, over power and over-standing wave ratio.

The master touch screen displays the working parameters of the whole machine and the module of power amplifier (PA) in real-time.

The 200W transmitter is installed in one 19inch chassis; its suitable for medium or small TV station.

    The whole machine is single-channel, image with audio together.
    The management and monitoring are intelligent and on network, it has the external PC interface.
    It has the technical data detection, monitoring systems and full-featured computer control software with auto-diagnostic function. All technical parameters can be read through the LCD display panel.
    Comprehensive protection measures can reduce the damage of equipments. This machine has protection about no video; VSWR is too large, overheating, over-stimulus, missing phase protection and lightning protection. The switch has protection about overvoltage, over current, under voltage, over temperature, short circuit and lightning protection.
    All power supplies are switching power supplies; high efficiency, excellent regulator range, strong adaptable from the change of the external voltage.
    It adopts modular design concept.
    Hot-pluggable design: Power amplifier and switching power are supporting the Hot-plug, it’s easy to debug and maintenance; improve the reliability.
    The fan is built-in the chassis, the transmitter has a compact structure and a beautiful shape.


Technical Specifications:

Overall performances:

1. Working frequency
    VHF/UHF Channel arbitrary choice
2. Output power
3. Output impedance
4. Inter-modulation distortion
5. Useless transmission
     In adjacent channel -40dB

                   Out adjacent channel -60dB
6. RF output interface
7. Power supply
         Single-phase 220V
8. Shape size
9. Weight

Image performance

1. Video frequency input level    1VP-P positive polarity
2. Video frequency input impedance
3. DG
4. DP
5. Luminance nonlinear

Sound performance:
1. Audio input level
2. Audio input impedance
        10KΩ (imbalance)
3. Maximum frequency deviation
4. Harmonic distortion