Broadband UHF Transmitter

Bbroadband UHF Transmitter, 10-2000w high power output UHF TV transmitter. Rated Output Power:10-2000W RF Specifications Television Standards PAL-D or other standards Frequency Range: 470MHz 860MHz (can be specified as any channel) Video/Audio Ratio: 10:1 RF Output Impedance: 50Ω Output Interface: 15/8 "Flange Frequency Stability: 500Hz/3months Output Power Variation: ±0.25dB Inside-band Intermodulation: ±52dB Stray Output In Adjacent-channel: ≤-60dB Stray Output Out Adjacent-channel: ≤-40dB Input Level 1 Vp-p Input Impedance: 75Ω Input Return Loss : ≥34dB(0MHz 5.5MHz) ..Modulation Mode Amplitude Modulation Negative polarity Percentage of Modulation: ≤87.5% Field-time Waveform Distortion: ≤2 Line-time Waveform Distortion: ≤2 2T Sine-squared Pulse Distortion: ≤2 Luminance Non-linearity Distortion: ≤10% Blacking Level Variation: ≤±2.5 Differential Gain: ±5% Differential Phase: ±5% C/L Gain Inequality ≤10% C/L Delay Inequality ±30ns Stochastic Sundry Wave S/N Ratio (Root-Mean-Square , unweighted) 50dB (Root-Mean-Square, weighted): 58dB Periodic Disturbance S/N Ratio (Peak-to-peak )50dB Audio Specifications Input Level 0dBm±6dB Input Impedance 600Ω(Bal.) or ≥2KΩ (Unb.) Modulation Mode FM Pre-emphasis 50μs Frequency Deviation ±50KHz Harmonic Distortion ≤1%30Hz 15KHz(100% Modulated) Amplitude-Frequency Characteristic ≤1dB30Hz 15KHz, 50us(50% Modulated) FM S/N Ratio 60dB (1KHz,100% Modulated) AM Noise ≤-50dB (Unmodulated) Inner-carrier Noise ≤-45dB (100% Modulated) Sync parasitic Am Modulation S/N 40dB Video to Audio Intermodulation : 10 Environmental Factors Working Temperature: -10 +45∩ Relative Humidity 95% No condensation at 25∩ Atmosphere Pressure: 86 106Kpa Cooling Forced air cooling Power Supply: 380V±15% AC 3 phase 50Hz±1Hz Machine Room Few dust, No oscillation and impact Dimensions: 2000×600×900mm3