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VHF |
UHF |
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Rated Output Power |
3KW |
5KW |
3KW |
5KW |
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RF Specifications |
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Television Standards |
PAL-D or other standards |
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Frequency Range |
VHF Ⅰ, Ⅲ (Select one channel) |
470MHz~806MHz (Select one channel) |
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Video/Audio Ratio |
10:1 |
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RF Output Impedance |
50Ω |
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Output Interface |
1 5/8” Flange |
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Frequency Stability |
±300Hz/3months |
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Output Power Variation |
±0.25dB |
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Inside-band Intermodulation |
≤-52dB |
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Stray Output In Adjacent-channel |
≤-60dB |
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Stray Output Out Adjacent-channel |
≤-40dB |
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Video Specifications |
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Input Level |
1 Vp-p |
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Input Impedance |
75Ω |
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Input Return Loss |
≥34dB(0MHz~5.5MHz) |
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Modulation Mode |
Amplitude Modulation, negative polarity |
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Percentage of Modulation |
≤87.5% |
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Field-time Waveform Distortion |
≤2％ |
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Line-time Waveform Distortion |
≤2％ |
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2T Sine-squared Pulse Distortion |
≤2％ |
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Luminance Non-linearity Distortion |
≤10% |
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Blacking Level Variation |
≤±2.5％ |
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Differential Gain |
±5% |
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Differential Phase |
±5° |
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C/L Gain Inequality |
≤10% |
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C/L Delay Inequality |
±30ns |
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Stochastic Sundry Wave S/N Ratio |
Root-Mean-Square Value, unweighted: ≥50dB Root-Mean-Square Value, weighted: ≥58dB |
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Periodic Disturbance S/N Ratio |
Peak-to-peak value: ≥50dB |
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Audio Specifications |
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Input Level |
0dBm±6dB |
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Input Impedance |
600Ω (Bal.) or ≥2KΩ (Unb.) |
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Modulation Mode |
FM |
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Pre-emphasis |
50μs |
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Frequency Deviation |
±50KHz |
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Harmonic Distortion |
≤1%（30Hz~15KHz）(100% Modulated) |
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Amplitude-Frequency Characteristic |
±1dB（30Hz~15KHz, 50us）(50% Modulated) |
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FM S/N Ratio |
≥60dB (1KHz,100% Modulated) |
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AM Noise |
≤-50dB (Unmodulated) |
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Inner-carrier Noise |
≤-45dB (100% Modulated) |
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Sync parasitic Am Modulation S/N |
≥40dB |
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Video to Audio Intermodulation |
≤10％ |
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Environmental Factors |
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Working Temperature |
-10~+45℃ |
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Relative Humidity |
＜95%（No condensation at 25℃） |
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Atmosphere Pressure |
86~106Kpa |
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Cooling |
Forced air cooling |
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Power Supply |
3 phase；AC；380V\±15%；50Hz±10% |
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Machine Room |
Few dust, No oscillation and impact |
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Dimensions |
2000(H)×600(W)×1000(D)mm3 |
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