H-LIN INTERNATIONAL (HK) LIMITED
H-LIN INTERNATIONAL (HK) LIMITED
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600W FM radio transmitter used in broadcasting, television, radio communication
Introduction:
This transmitter adopts the concept of simple design and integrates the ex citer and power amplifier, output filter, switching power supply, etc into a 2 U high 19-inch standard case. This advanced design reduces the number of connection cables and improves the overall efficiency of the transmitter, ma king it more reliable and easier to operate.
Features
l Humanized digital LCD touch panel, simple operation interface with direct touch control.
l The integrated LCD displays all system parameters: transmitter frequency, stereo and mono, volume, amplifier tube temperature, audio signal UV meter, forward power, reflected power, modulation mode, and pre- emphasis etc.
l 2U 19-inch thick aluminum alloy case, which is not only sturdy but also has good heat dissipation.
l Precise PLL frequency generation system to ensure the frequency does not drift within at least 10 years.
l Built-in high-quality professional stereo encoder.
l Support external input modulation RDS or SCA signal.
l Supports AES-EBU digital signal input, 24Bit 192KHz sampling rate input range, true lossless audio.
l Equipped with RS232 communication interface, users can control all operations through the transmitter communication protocol.
l RF amplifier uses LDMOS transistor BLF188XR, making it able to withstand severe load mismatch of more than 65: 1 VSWR at 5dB compression point.
l Automatically record 9 latest device alarms for later troubleshooting.
Parameters
Frequency: 87.5-108MHz, Frequency step value: 10KHz
Modulation mode: FM, peak deviation ± 75KHz Frequency stability: <± 100Hz
Frequency stabilization method: PLL phase-locked loop frequency synthesis RF output power: 0 ～ full power ± 0.5dB
In-band residual wave: <-70dB Higher harmonics: <-65dB Parasitic AM: <-79dB
RF output impedance: 50Ω
RF output connector:(350W&600W) L16 female (1000W&1500W) L29 female RF efficiency:> 78%
Analog audio input: -12dBm ~ + 8dBm Audio level gain: -15dB ~ 15dB step 0.5dB
Analog audio input impedance: 600Ω balanced XLR AES / EBU input impedance: 110Ω balanced XLR AES / EBU input level: 0.2 ~ 10Vpp
AES / EBU sampling rate: 30KHz ~ 192KHz 24BIT RDS / SCA input: unbalanced BNC
RDS / SCA input level gain: -15dB ~ 15dB step 0.5dB Pre-emphasis: 0μs, 50μs, 75μs (users can set) Frequency response: ± 0.1dB 30 ～ 15000Hz
Stereo resolution:> 60dB
S / N ratio stereo:> 70dB 30 ～ 15000Hz S / N ratio mono:> 75dB 30 ～ 15000Hz Audio distortion: <0.05%
Power supply voltage range: single phase (350W&600W) 110 ~ 260Vac
(1000W&1500W) 200 ~ 260Vac
Power consumption: 350W <700VA 600W <1000VA 1000W <1500VA 1500W <2000VA
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: (350W&600W) 10Kg (1000W
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