JM-4U CATV Modulator/Analog Modulator/ CATV System agile modulator
Negotiable /Piece
Min.Order:1 Piece
Shenzhen Detaik Technology Co., Ltd.
JM-4U CATV Fixed Modulator (analog modulator)
Specifications:
Output frequency range MHz 471-863
RF Output Level dBμV ≥ 104
Spurious output suppression ratio dB ≥ 60 (the RF output at maximum)
RF Output Return Loss dB ≥ 13
Video Modulation % 87.5 (video input level 1Vp-p)
Video-band flatness dB ± 1.2
Differential Gain %≤ 5
Differential Phase°≤ 5
Video signal to noise ratio dB≥ 60
Color / light time delay difference t ns | τ | ≤ 45
Images, Audio Frequency Pitch KHz 6500 ± 2 (PAL-D / K); 6000 ± 2 (PAL-D / I)
The accuracy of the image carrier frequency f KHz≤ 5
Audio Carrier Modulation Deviation KHz 50
Audio Total Harmonic Distortion % ≤ 1
Audio signal to noise ratio dB ≥ 60
Audio Pre-emphasisμs 50
Supply V AC 90 ~ 264 ± 10%
Temperature 5-50
Relative Humidity % ≤ 85
Atmospheric pressure working environment Kpa 86-106
Overall dimensions / Meas mm
483 * 140 * 45/550 * 175 * 80
Weight 2kg