VHF UHF 2kw Analog TV Transmitter

• Type: Transmitter
• Function: Signal Transmitting Device, Signal Transmission Equipment
• Certification: CE, ISO, GS
• Condition: New
• Frequency: UHF/VHF
• Output Power: 2000W
• Model NO.: ZHC518A-2KW
• Power Supply: Single-Phase 220V
• Size: 1475mm*960mm*675mm
• Weight: 220kg
• Transport Package: Export Wooden Box
• Specification: Professional
• Trademark: ZHC
• Origin: Hangzhou
• HS Code: 8525500000
• Production Capacity: 50PCS/Month

Product Description

ZHC518A-2000W Analog TV Transmitter

Overview:
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 2KW transmitter is installed in one 19inch chassis; it's suitable for all-levels of TV station.


Features:
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.


Overall performances: 
1. Working frequency:    VHF/UHF Channel arbitrary choice
2. Output power:         2000W
3. Output impedance:       50Ω
4. Inter-modulation distortion:  ≤-50dB
5. Output interface:                 7/16"
6. Useless transmission:           In adjacent channel≤-40dB
                                                 
7. RF output interface:                    7/16"
8. Power supply:                              Single-Phase 220V/50Hz
9. Shape size:                                   1475mm×960mm×675mm
10.Weight:                                        220KG
Image performance:
1. Video frequency input level:    1V_P-P positive polarity
2. Video frequency input impedance:  75Ω
3. DG:                 ±5%
4. DP:                  ±5°
5. Luminance nonlinear:         ≤10%
6. Group delay:                                  ≤±60ns
7. Signal-to-clutter ration of low frequency period interference:  ≥50dB

Sound performance: 
1. Audio input level:          0dBm±6dB
2. Audio input impedance:        10KΩ (imbalance)
                                                  600Ω (Balance)
3. Maximum frequency deviation:    ±50KHz
4. Harmonic distortion:         ≤1%
5. The amplitude frequency characteristics: ±1dB
6. Signal-to -clutter:                            ≥60dB

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