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(99%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、99%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. |