Manufacturer 300W FM Broadcasting Transmitter for Television Transmitting Equipment

• Customization: Available
• Type: Transmitter
• Function: Signal Transmitting Device
• Model NO.: HCM-300W
• Certification: ISO
• Condition: New
• Output Power: 300W
• Nominal Transmission Frequency: 87-108MHz
• Signal to Noise Ratio (100% Modulation): 84.5dB
• Left and Right Channel Separation: 53.5dB
• Pilot Frequency: 19±1Hz kHz
• Consumption: 600W
• RF Output Interface: L27K
• Analog Audio Input Interface: XLR Female XLR Head
• Audio Input Level: -15~+15 Selected in 0.1dBm Steps Through The Panel
• Power Supply: AC220 V
• Weight: 16kg
• Transport Package: Export Packing Box
• Specification: 480× 535× 85 mm
• Trademark: NJZR
• Origin: Nanjing, Jiangsu
• Production Capacity: Customization on Demand

Product Description

Main features:

★ All solid-state design, digital analog compatibility;

★ Professional broadcasting level exciter;

★ All power amplifiers are made of high-power LDMOS tubes produced by PHILIPS;

★ Wideband amplification of power amplifier components;

★ The modulation method is digital DDS modulation

★ Input interface: 2 analog audio interfaces, 1 digital audio interface, 1 SCA/RDS interface, 1 1PPS interface, and 1 10MHz clock interface;

★ Output interface: 1 LOCK IN interface, 1 RS232 interface, 1 RS485 interface, 1 RJ45 interface, 1 RF monitoring interface, and 1 RF power output interface;

★ Large screen LCD display in Chinese, displaying the intensity of left and right channel signals through the fluctuation of two sound columns inside the LCD screen;

The parameters displayed through the LCD include: emission power, reflection power, current of the amplifier tube, voltage of the amplifier tube, input level, temperature, and loop voltage;

★ Indicate the above content through indicator lights: power indicator light, overvoltage protection indicator light, standing wave ratio alarm indicator light, remote control status indicator light, temperature alarm indicator light, overcurrent, circuit, overvoltage exceeding limit indicator, system communication fault indicator, RF prohibition indicator;

★ Able to set 3 time periods per day to automatically control the power level;

★ Adopting high-efficiency switching power supply;

★ Computer monitoring can be carried out through data interfaces;

The entire machine is equipped with various protective measures such as overcurrent, overvoltage, overexcitation, over standing wave, and over temperature.