Frequency Stabilization Method and DDS Frequency Synthesizer
Nominal Transmission Frequency
87 MHz - 108 MHz (other frequencies can be customized)
Frequency Deviation
± 200 Hz
The Frequency Step Value
< 10 kHz
The Output Impedance
< 50 Ω
RF Output Connector
L29-K or other specified connectors
The Output RF Power
0 -1000 W continuously adjustable
The Output Power Deviation
± 10 W
RF efficiency
> 75%
The Pilot Frequency Deviation
± 0.1 Hz
The Residual Component of S signal
< 38 KHz and < -50 dB
100% Modulation Frequency Offset
± 75 KHz(maximum modulation frequency offset 112.5 kHz)
In-Band Residual Radiation
< -70 dB
Higher Harmonic Radiation
< -65 dB
Parasitic AM Noise
< -50 dB
Audio Part
Analog Audio Input
- 12 dBm to + 8 dBm
Analog Audio Input Impedance
600 Ω balance
SNR
≥ 92 dB (1 kHz, 100% modulation)
Stereo Resolution
≥ 73 dB (L → R, R → L)
Distortion
≤ 0.01% (30 Hz ~ 15000 Hz, 100% modulation)
Frequency Response
± 0.01 dB (without weighting and de weighting); ± 0.05 dB (with weighting and de weighting)
Audio Pre Emphasis
0 μ s / 25 μ s / 50 μ s / 75 μ s
Left And Right Channel Level Difference
≤ 0.01 dB (100% modulation)
Input Level Gain
- 15 dB ~ + 15 dB in 0.1 dB steps
The Input Impedance of MPX
unbalanced at 10K Ω
MPX Input Level
< 1.0vpp
The RDS Input Impedance
unbalanced at 10K Ω
RDS Input Level
< 0 dBm
AES Input Impedance
< 110 Ω balance
AES Input Level
0.2 ~ 10vpp
AES Sampling Rate
30 KHz ~ 96 KHz
General Part
Chassis Size
< 2U (width 445 MM × height 88 MM × depth 500 MM)
Chassis Size
< 2 u (width 11303-inch × height 2235 inch × depth 12700 inches)
The Total Weight
< 13.5 Kg
Machine Weight
< 29.7 lbs
High-speed air cooling
Chassis Standard
19 inches
External Control Interface
TCP / IP, RS232, CAN bus
The Synchronous Broadcast Function
external 10 MHz / 1 PPS clock input
The Protection Mode
high temperature and high VSWR protection
Relative Humidity
< 95%
Altitude
< 4500 M
Power Supply Voltage
100 VAC ~ 265 VAC / 47 Hz ~ 63 Hz
Operating Ambient Temperature
- 10 ℃~ + 45 ℃
Main Highlights of FU-1000D 1kW FM Transmitter
The powerful digital processing technology can create a perfect CD-like hearing effect for you
The adoption of FPGA processing technology realizes large-scale digital processing
Direct digital frequency synthesis (DDS) technology can speed up to 5G to peak
The main controller adopts the technology of microprocessor (ARM), which has high reliability
Customized multi-audio source input significantly improves the maneuverability of transmitter (transmitter can be automatically selected according to priority)
Highest priority AES / EBU digital audio signal input
Second priority analog stereo analog audio signal input
Third priority MPX Stereo composite signal input
Single RDS or SCA subcarrier input support options
FM Synchronous Broadcast Transmitter upgrade support options
Zero drift AGC controlled power output
Alarm and protection of over-current, over-voltage, over-temperature, overpower and standing wave ratio improve the transmitter warning mechanism
Front touch keyboard input to improve user experience
OLED display makes real-time data display smoother and clearer
With TCP / IP and RS232 communication interface, the operability of transmitter is increased
The 19-inch standard chassis with a height of 2U can totally meet your needs
1 * FMUSER 1000W FM Transmitter
FMUSER FU-1000D 2U 1KW FM Transmitter For FM Radio Station