600W cheap FM Broadcast Transmitter (FMT2.0-600)

     Overview

    The transmitter adopts a low-cost design concept, integrating the exciter and power amplifier, output filter, switching power supply, etc. in a 2U high 19-inch standard chassis.

     Functional features

l2U 19-inch thick aluminum alloy case, which is not only sturdy but also has good heat dissipation.

lPrecise PLL frequency generation system to ensure the frequency does not drift within at least 10 years.

lExcellent power AGC balance control system, the power output can be adjusted from 0 to full power, and has automatic gain power control to maintain the output power within a set range without drifting.

lSupport external input modulation RDS or SCA signal.

lEquipped with RS232 communication interface, users can control all operations through the transmitter communication protocol.

lRF amplifier uses  LDMOS transistor , making it able to withstand severe load mismatch of more than 65: 1 VSWR at 5dB compression point.

     Specification

Frequency: 87.5-108MHz,

Frequency step value: 100KHz

Modulation mode: FM, peak deviation ± 75KHz

Frequency stability: <± 100Hz

Frequency stabilization method: PLL phase-locked loop frequency synthesis

RF output power: 0 ～600W  ± 0.5dB

In-band residual wave: <-60dB

Higher harmonics: <-60dB

Parasitic AM: <-59dB

RF output impedance: 50Ω

RF output connector: L29 female    DIN

RF efficiency:> 75%

Analog audio input: -12dBm ~ + 8dBm

Analog audio input impedance: 10KΩ   XLR

Pre-emphasis: 0μs, 50μs, 75μs (users can set)

Frequency response: ± 0.8dB 30 ～ 15000Hz

Audio distortion: <1%

Power supply voltage range: single phase   220 ~ 260Vac 

Power consumption:   <1000VA 

Operating temperature range: -20 to 45 ° C

Working method: continuous work

Cooling method: forced air cooling

Cooling method: <95%

Altitude: <4500M

Dimensions: 483 x 320 x 88 mm (excluding handles and protrusions), standard rack 19 inches 2U.

Weight:  11Kg

Warranty：amplifier tube for 1 months , except man-made and lightning-strike damages. Maintenance only charge of the cost of components.