JM-50161CM Исправлена ​​Примыкающий модулятор частоты; Фиксировать

JM-50161CM Fixed Adjacent FrequencyCATV Modulator;Fixed Channel Modulator;Analog Modulator1.Technical Characteristics: Compact size, easy installation; Micro-computer control, image sound two-phase locking; IF SAW filters to deal with, excellent VSB; High-output, continuously adjustable sound frequency offset, high reliability; A wide range of linear power supply; The use of SMD technology, machine stability. 2. Technical Parameters: Output frequency range MHz 48871 RF output level dBµV 110 Parasitic output rejection ratio dB ≥60(Maximum output frequency) RF output return loss dB ≥13 Video transfer system % 87.5(Video input level 1Vp-p) Video-band flatness dB ±1.2 Differential gain % ≤3 Differential Phase ° ≤3 Video signal to noise ratio dB ≥60 Color / light time delay difference ns |τ|≤45 Image/sound carrier power ratio (V / A) dB 1020 Continuously adjustable Images,soundfrequency spacing KHz 6500±2PAL-D/K 5500±2PAL-B/G4500±2NTSC The accuracy of the image carrier frequency f KHz ≤5 Audio Frequency Modulation KHz 50 Audio total harmonic distortion % ≤1 Audio signal to noise ratio dB ≥60 Audio pre-emphasis µs 50 Power Supply V AC 220±10% Ambient temperature 550 Relative humidity % ≤85 Atmospheric pressure working environment Kpa 86106 Overall dimensions mm 500*230*200 Gross Weight Kg 16.3 2)Active mixer technical parameter: Output frequency range MHz 48871 Differential gain % ≤3 Video-band flatness dB ±0.5 Nominal input level dBµV 108 Nominal output level dBµV 111 Noise figure dB ≤8 Return Loss dB ≥12 C/CSO dB 64 Power input V AC90-265V Output channel 16 Output voltage V DC 12 3.5A(MAX)