Warner-RF 50W 87.5-108MHz Professional FM Broadcast Transmitter & Exciter

Description

Introduction:
FMT5.0-50H transmitter is the newest product launched by Warner-RF electronic corp. This light-smart transmitter has a PC rs232 control protocol, users can easily manipulate trasmitter by their computers. This new type of transmitter comprises of  PLL digital frequency synthesis, pre-emphasis, stereo coding, RF amplification, filters, switching power supplies etc.
1U high 19-inch standard chassis for greater reliability and easier operation.
Stereo encoding board and controller board adopts full SMD technology to ensure the stability and consistency of the circuit. Outstanding audio indicators provide
users with a perfect auditory experience that is close to CD quality.
Features：
Humanized digital LCD panel, one-rotary knob control.
User-friendly digital LCD panel, using one rotary knob to easily control all the setups.
The integrated LCD screen displays all the parametric including: transmitter frequency, stereo and mono, volume, amplifier tube temperature, audio signal UV meter, forward
power, reflected power, modulation mode, pre-emphasis etc,.
1U 19-inch thickened all-aluminium case, strong and excellent heat dissipation.
With built-in high-quality stereo encoder
, CD-class sound quality.
Outstanding power AGC balance control system, adjustable power output from 0 to 50 watts, and automatic gain power control to maintain output power within set range without drifting.
Signal input supports XLR and RCA audio inputs,  and also SCA and RDS signals using the BNC connector AUX.
The RF amplifier uses LDMOS transistors to withstand even severe load mismatch exceeding the 65: 1 VSWR at a 5dB compression point.
Technical Specifications:
Frequency: 87.5-108MHz
Frequency step value: 50KHz
Modulation method: FM, peak deviation ± 75KHz
Frequency stability: <± 100Hz
Frequency stabilization method: PLL frequency synthesizer
RF output power: 0 ~ 50 W, step 0.1W, error ± 0.5dB
Harmonic suppression: ≤-72dB
Inband residual wave: ≤-72dB
Asynchronous AM SNR: ≥-80dB (no modulation) ≥-65dB (400Hz, 100% modulation)
Synchronous AM SNR: ≥-70dB (no modulation) ≥-60dB (400Hz, 100% modulation)
RF output impedance: 50Ω
RF Output Connector: N Female (L16)
Audio Input Connectors: XLR Female and RCA Female
AUX input connector: BNC female
Pre-emphasis: 0us, 50us, 75us (user setting)
Mono signal to noise ratio: ≥ 80 dB (20 to 20KHz)
Stereo signal-to-noise ratio: ≥ 80 dB (30 to 15KHz)
Stereo resolution: ≥ -55dB
Audio frequency response: 30 ~ 15000Hz ± 0.4dB
Audio distortion: <0.1%
Audio level gain: -15dB ~ 15dB step 0.5dB
Audio input: -15dB ~ 0dB
Power supply voltage range: 110V ~ 260V (global voltage)
Power consumption: <320VA
Operating temperature range: -10 to 45 ℃
Way of working: continuous work
Cooling method: forced air cooling
Cooling method: <95%
Altitude: <4500M
Dimensions: 484 x 260 x 44 mm (without measuring handles and protrusions) , 19 "1U standard rack.
Package Weight: 5Kg
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