Main Features
– Support FM synchronous broadcasting.
– Complies with FM,CDR,DAB,and other FM broadcasting standards.
– Designed with a 19" 4U standard chassis.
– FM frequency band frequency software continuously adjustable.
– Power output software continuously adjustable.
– Utilizes the latest Ampleon LDMOS power amplifier tube design.
– The power amplifier module adopts efficient circuit design, with a machine efficiency of over 50% under the best RF indicators.
– Supports MONO,STEREO,MPX,AES/EBU，SCA/RDS signal inputs.
– Supports RDS, SCA subcarrier signal inputs.
– Uses efficient, wide voltage, modular imported switching power supply.
– Uses high-speed, low-noise axial flow fans.
– Automatically implements alarm and protection functions, including overcurrent, over/under voltage, over temperature, overload, VSWR, etc.
– Based on ARM embedded processor, combined with LCD display screen, realizing visual GUI human-computer interaction. Makes it more intuitive for users to query the equipment working status.Various priority switch-on and timing switch-on modes are available for diversified transmitter management. Supports mainstream network management interfaces and communication protocols.
Technical Specifications
L/R Input |
Physical interface | XLR female |
Number | 2 (1x R &1 x L) |
Impedance | 10k or 600Ω balance |
Input level | -13 to +13dBu |
MPX Input |
Physical interface | BNC female |
Number | 1 |
Impedance | 10k or 50Ω unbalanced |
Input level | -13 to +13 dBu |
SCA/RDS Input |
Physical interface | BNC female |
Number | 2 |
Impedance | 10kΩ unbalanced |
Subcarier level | -17 to -40dBu |
AES/EBU Input |
Physical interface | XLR female |
Number | 1 |
Impedance | 110Ω balance |
Input level | -60dBfs - 0dBfs |
RF Output |
Physical interface | 7/16" (L29) female |
Number | 1 |
Impedance | 50Ω |
Frequency range | 87.5 - 108MHz |
Rated output power | 54.7dBm (300W) |
Modulation type | Mono, Stereo, Multiplex |
Carrier Tolerance | ±100Hz |
Residual Radiation | < -70 dB(L&R) |
Parasitic AM Noise | < -50 dB |
Distortion | < 0.05% |
SNR | ≥85 dB |
Frequency Response | ±0.01dB (No emphasis, No de-emphasis) ±0.05dB (Emphasis, De-emphasis) |
Stereo Resolution | ≥70dB(30Hz - 15kHz) |
Level Difference | < 0.05dB(L&R) |
Pilot Frequency Offset | ±1Hz |
Residual Component | < -60 dB@38KHz |
Frequency Offset | MAX ±75KHz |
Pre-emphasis mode | 0/50/75uS |
RF Monitor Output |
Physical interface | BNC female |
Number | 1 |
Impedance | 50Ω |
Output Level | Approx. -50dB |
Serial Interface |
Physical interface | DB-9M |
Number | 1 |
Interface standard | RS485 Half Duplex |
Management |
|
Port | 10/100 Base-T Ethernet |
Number | 1 |
Physical interface | RJ45 |
Protocol | Web/SNMP |
Power |
Input voltage | AC 220V±20%, 50Hz±10% |
Power consumption | Max 600W |
Environment |
Working temperature | -20℃ - 50℃ |
Working humidity | 10 - 95%(non-condensing) |
Atmospheric Pressure | 86kPa - 106kPa |
Physical |
Dimension (HxWxD) | 176×483×394 mm |
Weight | ≤40Kg |
Cooling | Forced, with internal fan |