10KW FM Stereo TransmitterThe 10KW FM Stereo Transmitter
(Hot-plugin) is a high-performance broadcast-grade stereo FM
broadcast transmitter for wireless coverage of professional
broadcast stations. Considering the high reliability of the
transmitter, in the design concept, the transmitter adopts
redundant design in key parts in order to achieve long-term stable
operation of the transmitter. Because of
the hot-plugin structure, the transmitter's components
can be repaired and restored without stop
working.FEATURES Redundant Large Power: 8pcs 1.5KW
hot-plug RF Amplifier modules
combined high efficiently; Maximum Output Power is
11KW. It uses the new high-efficiency LDMOS Transistors, the
full RF output power can
reach 70%. Redundant Power
Supply: 6pcs 3500VA switched power supply modules are
working in parallel. It can provide
large redundant power capacity.High-performance Low
Pass Filter which can minimize unwanted emission.Output Power
Stable: Total output power is extremely stable by AGC (Automatic
Gain Control). Ensure the output power would not change with the
boot time and ambient temperature, power stability is less than
10W.Dual-Exciter: Two exciters (DSP+DDS) with automatically
changeover switcher, increase entire transmitter stability.Analog
and Digital (AES/EBU) audio signal input directly;
Hearing similar to CD. Friendly man-machine interface:
8-inch true-color touch LCD display, real-time display of
various parameters in the machine, without any training, you can
operate under the screen prompts.Intelligent
protection functions by centre control module, like Over
Forward Power, Over SWR, Over Temperature, Over Voltage, Over
Current. It can adjust output power intelligent, keep the maximum
safe output power and keep fault not expanding.Best dustproof
performance: All inlets are made of high-quality filters which can
filter out dust in the air to keep stability of transmitter.Best
lightning protection: high quality lightning
protection SPD from Germany for the whole power
supply.Real Hot-Plug structure: the Amplifier modules and
Power Supply modules can be repairing at non-stop condition in any
case.Timing automatically adjusts the output power: After setting,
the transmitter can automatically adjust the output power at
different times of the day, convenient for economical radio
broadcasting.Advanced Remote Telemetry
Interface: RS232/RS485 or TCP/IP Internet
Communication interface is ready for remote control system
which can read all detail parameters from transmitter.Technical
Specifications: 1. RF frequency range 87MHz~108MHz (other
frequencies can be customized), stepping 10kHz2. Output
power 0~10000W
continuously adjustable3. Allowable deviation of output
power < ± 10%4. Output power
stability <
± 3%5. Output
impedance 50Ω6.
RF Output
Interface: 3-1/8'
Flange7. Residual wave
radiation <
-80dB8. Parasitic amplitude
modulation <
-50dB9. Carrier Frequency
precision: ±200Hz10.
Analog audio
input -12dBm
~ +8dBm11. Input audio Level
Gain -15dB~+15dB
Step 0.1dB12. Analog audio input
impedance 600Ω
balance13. AES input
impedance 110Ω
balance14. AES input
level 0.2~10Vpp15.
AES sampling
rate 30kHz
~ 96kHz16. RDS
input Unbalanced
(optional) BNC type connector17.
Pre-emphasis: 0μS,50μS,75μS18.
Audio
response: ±0.01dB
(30Hz~15000Hz)19. Left and right channel level difference
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