FM Modulator FM-100

Features

• Adopting new digital signal process(DSP) technology.
• Direct digital synthesis frequency(DDS) technology.
• Advanced MCU control system.
• Columnar dynamic display audio signal.
• Perfect audio effect of CD sound.
• Supporting AES/EBU standard digital audio input.
• The standard frequency of RF output is 87.00-108MHz with the step of 10kHz.
• Free customization within the RF output frequency range.
• 122*32 lattice blue screen LCD synchronously displays the work parameters of the modulator.
• RS-232/485 remote control and telemetry communication interface.
• 1U,19-inch standard chassis structure

Technical Specifications

 

Item	Specifications
Frequency Range	87-108MHz  step 10KHz
Allowable variation in output frequency	≤±200Hz
Rated output level	0dBm
Adjustable range of output level	-8dBm～+12dBm
Rejection ratio of parasitic output	≥ 65dB
Audio pre-emphasis	0μs、50μs、75μs
Audio frequency deviation	±75kHz(100%modulation)
Analog Audio input impedance	600Ω,balance
Analog Audio input level	-12dBm～+8dBm,step1dBm
Digital audio input impedance	110Ω,balance
Digital audio input level	0.2～10Vpp
Digital audio sample rate	30kHz～96kHz
Stereo separation	60dB（type），30Hz～15000Hz
Pilot frequency	19kHz±1Hz
Pilot frequency modulation	8%~10%
Audio frequency response	±0.1dB，10Hz～15000Hz
Audio signal-to-noise ratio	70dB(type)，1kHz、100%modulation
Parasitic amplitude modulation noise	≤65dB
Audio harmonic distortion	＜0.1%，10Hz～15000Hz
Connector	BNC(female)
Size	485mm×305mm×44mm
Weight	≤4Kg
Operation temperature	-25~+50°C
Relative humidity	≤85%
Voltage	220-240V AC 50/60Hz
Power consumption	≤15W
Marking	CE
Standards	EN301357, EN62479, EN301489, EN60065.